From 2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7 Mon Sep 17 00:00:00 2001
From: Harrison Healey <harrisonmhealey@gmail.com>
Date: Tue, 16 Jan 2018 12:03:31 -0500
Subject: Updated dependencies and added avct/uasurfer (#8089)

* Updated dependencies and added avct/uasurfer

* Added uasurfer to NOTICE.txt
---
 vendor/golang.org/x/sys/unix/.gitignore            |   1 +
 vendor/golang.org/x/sys/unix/affinity_linux.go     | 124 ++++++++++++++++++++
 vendor/golang.org/x/sys/unix/asm_linux_386.s       |  36 +++++-
 vendor/golang.org/x/sys/unix/asm_linux_amd64.s     |  30 ++++-
 vendor/golang.org/x/sys/unix/asm_linux_arm.s       |  35 +++++-
 vendor/golang.org/x/sys/unix/asm_linux_arm64.s     |  30 ++++-
 vendor/golang.org/x/sys/unix/asm_linux_mips64x.s   |  36 +++++-
 vendor/golang.org/x/sys/unix/asm_linux_mipsx.s     |  33 +++++-
 vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s    |  30 ++++-
 vendor/golang.org/x/sys/unix/asm_linux_s390x.s     |  28 +++++
 vendor/golang.org/x/sys/unix/creds_test.go         |  16 +++
 vendor/golang.org/x/sys/unix/dev_darwin_test.go    |   2 +
 vendor/golang.org/x/sys/unix/dev_dragonfly_test.go |   2 +
 vendor/golang.org/x/sys/unix/dev_linux_test.go     |   2 +
 vendor/golang.org/x/sys/unix/dev_netbsd_test.go    |   6 +-
 vendor/golang.org/x/sys/unix/dev_openbsd_test.go   |   2 +
 vendor/golang.org/x/sys/unix/dev_solaris_test.go   |   2 +
 vendor/golang.org/x/sys/unix/env_unix.go           |   4 +
 vendor/golang.org/x/sys/unix/env_unset.go          |  14 ---
 vendor/golang.org/x/sys/unix/gccgo.go              |  15 +++
 vendor/golang.org/x/sys/unix/gccgo_c.c             |   6 +
 vendor/golang.org/x/sys/unix/linux/types.go        |  26 ++++-
 vendor/golang.org/x/sys/unix/mkall.sh              |   6 -
 vendor/golang.org/x/sys/unix/mkerrors.sh           |   6 +-
 vendor/golang.org/x/sys/unix/mksyscall.pl          |  16 ++-
 vendor/golang.org/x/sys/unix/syscall_bsd.go        |  12 ++
 vendor/golang.org/x/sys/unix/syscall_bsd_test.go   |  31 +++++
 vendor/golang.org/x/sys/unix/syscall_darwin.go     |  46 ++++++++
 vendor/golang.org/x/sys/unix/syscall_darwin_arm.go |   4 +
 vendor/golang.org/x/sys/unix/syscall_dragonfly.go  |  80 +++++++++++++
 vendor/golang.org/x/sys/unix/syscall_freebsd.go    |  76 +++++++++++--
 vendor/golang.org/x/sys/unix/syscall_linux.go      |  28 ++++-
 vendor/golang.org/x/sys/unix/syscall_linux_386.go  |   1 +
 .../golang.org/x/sys/unix/syscall_linux_amd64.go   |   1 +
 vendor/golang.org/x/sys/unix/syscall_linux_arm.go  |   1 +
 .../golang.org/x/sys/unix/syscall_linux_mips64x.go |   1 +
 .../golang.org/x/sys/unix/syscall_linux_mipsx.go   |   1 +
 .../golang.org/x/sys/unix/syscall_linux_ppc64x.go  |   1 +
 .../golang.org/x/sys/unix/syscall_linux_s390x.go   |   1 +
 .../golang.org/x/sys/unix/syscall_linux_sparc64.go |   1 +
 vendor/golang.org/x/sys/unix/syscall_linux_test.go | 125 ++++++++++++++++++++-
 vendor/golang.org/x/sys/unix/syscall_netbsd.go     |  63 +++++++++++
 vendor/golang.org/x/sys/unix/syscall_no_getwd.go   |  11 --
 vendor/golang.org/x/sys/unix/syscall_openbsd.go    |  85 +++++++++++---
 vendor/golang.org/x/sys/unix/syscall_solaris.go    |  22 ++--
 .../golang.org/x/sys/unix/syscall_solaris_test.go  |  21 ++++
 vendor/golang.org/x/sys/unix/syscall_test.go       |  10 ++
 vendor/golang.org/x/sys/unix/syscall_unix.go       |  11 ++
 vendor/golang.org/x/sys/unix/syscall_unix_test.go  |  48 ++++++++
 vendor/golang.org/x/sys/unix/timestruct.go         |  20 ++++
 vendor/golang.org/x/sys/unix/timestruct_test.go    |  54 +++++++++
 vendor/golang.org/x/sys/unix/types_darwin.go       |   5 +
 vendor/golang.org/x/sys/unix/types_dragonfly.go    |  11 ++
 vendor/golang.org/x/sys/unix/types_freebsd.go      |  11 ++
 vendor/golang.org/x/sys/unix/types_netbsd.go       |  11 ++
 vendor/golang.org/x/sys/unix/types_openbsd.go      |  11 ++
 vendor/golang.org/x/sys/unix/zerrors_darwin_386.go |   7 ++
 .../golang.org/x/sys/unix/zerrors_darwin_amd64.go  |   7 ++
 vendor/golang.org/x/sys/unix/zerrors_darwin_arm.go |   7 ++
 .../golang.org/x/sys/unix/zerrors_darwin_arm64.go  |   7 ++
 .../x/sys/unix/zerrors_dragonfly_amd64.go          |   7 ++
 .../golang.org/x/sys/unix/zerrors_freebsd_386.go   |   7 ++
 .../golang.org/x/sys/unix/zerrors_freebsd_amd64.go |   7 ++
 .../golang.org/x/sys/unix/zerrors_freebsd_arm.go   |   7 ++
 vendor/golang.org/x/sys/unix/zerrors_netbsd_386.go |   9 +-
 .../golang.org/x/sys/unix/zerrors_netbsd_amd64.go  |   9 +-
 vendor/golang.org/x/sys/unix/zerrors_netbsd_arm.go |   9 +-
 .../golang.org/x/sys/unix/zerrors_openbsd_386.go   |   9 +-
 .../golang.org/x/sys/unix/zerrors_openbsd_amd64.go |   9 +-
 .../golang.org/x/sys/unix/zerrors_openbsd_arm.go   |   9 +-
 .../x/sys/unix/zsyscall_dragonfly_amd64.go         |  17 +++
 .../golang.org/x/sys/unix/zsyscall_freebsd_386.go  |  34 ++++++
 .../x/sys/unix/zsyscall_freebsd_amd64.go           |  34 ++++++
 .../golang.org/x/sys/unix/zsyscall_freebsd_arm.go  |  34 ++++++
 vendor/golang.org/x/sys/unix/zsyscall_linux_386.go |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_linux_amd64.go  |  35 ++++--
 vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_linux_arm64.go  |  20 ++--
 .../golang.org/x/sys/unix/zsyscall_linux_mips.go   |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_linux_mips64.go |  35 ++++--
 .../x/sys/unix/zsyscall_linux_mips64le.go          |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_linux_mipsle.go |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_linux_ppc64.go  |  35 ++++--
 .../x/sys/unix/zsyscall_linux_ppc64le.go           |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_linux_s390x.go  |  35 ++++--
 .../golang.org/x/sys/unix/zsyscall_netbsd_386.go   |  17 +++
 .../golang.org/x/sys/unix/zsyscall_netbsd_amd64.go |  17 +++
 .../golang.org/x/sys/unix/zsyscall_netbsd_arm.go   |  17 +++
 .../golang.org/x/sys/unix/zsyscall_openbsd_386.go  |  17 +++
 .../x/sys/unix/zsyscall_openbsd_amd64.go           |  17 +++
 .../golang.org/x/sys/unix/zsyscall_openbsd_arm.go  |  17 +++
 .../x/sys/unix/zsyscall_solaris_amd64.go           |  11 ++
 .../golang.org/x/sys/unix/zsysnum_solaris_amd64.go |  13 ---
 vendor/golang.org/x/sys/unix/ztypes_darwin_386.go  |   8 ++
 .../golang.org/x/sys/unix/ztypes_darwin_amd64.go   |   8 ++
 vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go  |   8 ++
 .../golang.org/x/sys/unix/ztypes_darwin_arm64.go   |   8 ++
 .../x/sys/unix/ztypes_dragonfly_amd64.go           |  12 ++
 vendor/golang.org/x/sys/unix/ztypes_freebsd_386.go |  12 ++
 .../golang.org/x/sys/unix/ztypes_freebsd_amd64.go  |  12 ++
 vendor/golang.org/x/sys/unix/ztypes_freebsd_arm.go |  12 ++
 vendor/golang.org/x/sys/unix/ztypes_linux_386.go   |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_linux_arm.go   |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_linux_mips.go  |  26 +++++
 .../golang.org/x/sys/unix/ztypes_linux_mips64.go   |  26 +++++
 .../golang.org/x/sys/unix/ztypes_linux_mips64le.go |  26 +++++
 .../golang.org/x/sys/unix/ztypes_linux_mipsle.go   |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go |  26 +++++
 .../golang.org/x/sys/unix/ztypes_linux_ppc64le.go  |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go |  26 +++++
 vendor/golang.org/x/sys/unix/ztypes_netbsd_386.go  |  12 ++
 .../golang.org/x/sys/unix/ztypes_netbsd_amd64.go   |  12 ++
 vendor/golang.org/x/sys/unix/ztypes_netbsd_arm.go  |  12 ++
 vendor/golang.org/x/sys/unix/ztypes_openbsd_386.go |  12 ++
 .../golang.org/x/sys/unix/ztypes_openbsd_amd64.go  |  12 ++
 vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go |  12 ++
 118 files changed, 2246 insertions(+), 229 deletions(-)
 create mode 100644 vendor/golang.org/x/sys/unix/affinity_linux.go
 delete mode 100644 vendor/golang.org/x/sys/unix/env_unset.go
 delete mode 100644 vendor/golang.org/x/sys/unix/syscall_no_getwd.go
 create mode 100644 vendor/golang.org/x/sys/unix/timestruct_test.go
 delete mode 100644 vendor/golang.org/x/sys/unix/zsysnum_solaris_amd64.go

(limited to 'vendor/golang.org/x/sys/unix')

diff --git a/vendor/golang.org/x/sys/unix/.gitignore b/vendor/golang.org/x/sys/unix/.gitignore
index e48271590..e3e0fc6f8 100644
--- a/vendor/golang.org/x/sys/unix/.gitignore
+++ b/vendor/golang.org/x/sys/unix/.gitignore
@@ -1 +1,2 @@
 _obj/
+unix.test
diff --git a/vendor/golang.org/x/sys/unix/affinity_linux.go b/vendor/golang.org/x/sys/unix/affinity_linux.go
new file mode 100644
index 000000000..d81fbb5b4
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/affinity_linux.go
@@ -0,0 +1,124 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// CPU affinity functions
+
+package unix
+
+import (
+	"unsafe"
+)
+
+const cpuSetSize = _CPU_SETSIZE / _NCPUBITS
+
+// CPUSet represents a CPU affinity mask.
+type CPUSet [cpuSetSize]cpuMask
+
+func schedAffinity(trap uintptr, pid int, set *CPUSet) error {
+	_, _, e := RawSyscall(trap, uintptr(pid), uintptr(unsafe.Sizeof(set)), uintptr(unsafe.Pointer(set)))
+	if e != 0 {
+		return errnoErr(e)
+	}
+	return nil
+}
+
+// SchedGetaffinity gets the CPU affinity mask of the thread specified by pid.
+// If pid is 0 the calling thread is used.
+func SchedGetaffinity(pid int, set *CPUSet) error {
+	return schedAffinity(SYS_SCHED_GETAFFINITY, pid, set)
+}
+
+// SchedSetaffinity sets the CPU affinity mask of the thread specified by pid.
+// If pid is 0 the calling thread is used.
+func SchedSetaffinity(pid int, set *CPUSet) error {
+	return schedAffinity(SYS_SCHED_SETAFFINITY, pid, set)
+}
+
+// Zero clears the set s, so that it contains no CPUs.
+func (s *CPUSet) Zero() {
+	for i := range s {
+		s[i] = 0
+	}
+}
+
+func cpuBitsIndex(cpu int) int {
+	return cpu / _NCPUBITS
+}
+
+func cpuBitsMask(cpu int) cpuMask {
+	return cpuMask(1 << (uint(cpu) % _NCPUBITS))
+}
+
+// Set adds cpu to the set s.
+func (s *CPUSet) Set(cpu int) {
+	i := cpuBitsIndex(cpu)
+	if i < len(s) {
+		s[i] |= cpuBitsMask(cpu)
+	}
+}
+
+// Clear removes cpu from the set s.
+func (s *CPUSet) Clear(cpu int) {
+	i := cpuBitsIndex(cpu)
+	if i < len(s) {
+		s[i] &^= cpuBitsMask(cpu)
+	}
+}
+
+// IsSet reports whether cpu is in the set s.
+func (s *CPUSet) IsSet(cpu int) bool {
+	i := cpuBitsIndex(cpu)
+	if i < len(s) {
+		return s[i]&cpuBitsMask(cpu) != 0
+	}
+	return false
+}
+
+// Count returns the number of CPUs in the set s.
+func (s *CPUSet) Count() int {
+	c := 0
+	for _, b := range s {
+		c += onesCount64(uint64(b))
+	}
+	return c
+}
+
+// onesCount64 is a copy of Go 1.9's math/bits.OnesCount64.
+// Once this package can require Go 1.9, we can delete this
+// and update the caller to use bits.OnesCount64.
+func onesCount64(x uint64) int {
+	const m0 = 0x5555555555555555 // 01010101 ...
+	const m1 = 0x3333333333333333 // 00110011 ...
+	const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
+	const m3 = 0x00ff00ff00ff00ff // etc.
+	const m4 = 0x0000ffff0000ffff
+
+	// Implementation: Parallel summing of adjacent bits.
+	// See "Hacker's Delight", Chap. 5: Counting Bits.
+	// The following pattern shows the general approach:
+	//
+	//   x = x>>1&(m0&m) + x&(m0&m)
+	//   x = x>>2&(m1&m) + x&(m1&m)
+	//   x = x>>4&(m2&m) + x&(m2&m)
+	//   x = x>>8&(m3&m) + x&(m3&m)
+	//   x = x>>16&(m4&m) + x&(m4&m)
+	//   x = x>>32&(m5&m) + x&(m5&m)
+	//   return int(x)
+	//
+	// Masking (& operations) can be left away when there's no
+	// danger that a field's sum will carry over into the next
+	// field: Since the result cannot be > 64, 8 bits is enough
+	// and we can ignore the masks for the shifts by 8 and up.
+	// Per "Hacker's Delight", the first line can be simplified
+	// more, but it saves at best one instruction, so we leave
+	// it alone for clarity.
+	const m = 1<<64 - 1
+	x = x>>1&(m0&m) + x&(m0&m)
+	x = x>>2&(m1&m) + x&(m1&m)
+	x = (x>>4 + x) & (m2 & m)
+	x += x >> 8
+	x += x >> 16
+	x += x >> 32
+	return int(x) & (1<<7 - 1)
+}
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_386.s b/vendor/golang.org/x/sys/unix/asm_linux_386.s
index 4db290932..448bebbb5 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_386.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_386.s
@@ -10,21 +10,51 @@
 // System calls for 386, Linux
 //
 
+// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
+// instead of the glibc-specific "CALL 0x10(GS)".
+#define INVOKE_SYSCALL	INT	$0x80
+
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	JMP	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	JMP	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	CALL	runtime·entersyscall(SB)
+	MOVL	trap+0(FP), AX  // syscall entry
+	MOVL	a1+4(FP), BX
+	MOVL	a2+8(FP), CX
+	MOVL	a3+12(FP), DX
+	MOVL	$0, SI
+	MOVL	$0, DI
+	INVOKE_SYSCALL
+	MOVL	AX, r1+16(FP)
+	MOVL	DX, r2+20(FP)
+	CALL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	JMP	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	JMP	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVL	trap+0(FP), AX  // syscall entry
+	MOVL	a1+4(FP), BX
+	MOVL	a2+8(FP), CX
+	MOVL	a3+12(FP), DX
+	MOVL	$0, SI
+	MOVL	$0, DI
+	INVOKE_SYSCALL
+	MOVL	AX, r1+16(FP)
+	MOVL	DX, r2+20(FP)
+	RET
+
 TEXT ·socketcall(SB),NOSPLIT,$0-36
 	JMP	syscall·socketcall(SB)
 
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_amd64.s b/vendor/golang.org/x/sys/unix/asm_linux_amd64.s
index 44e25c62f..c6468a958 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_amd64.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_amd64.s
@@ -13,17 +13,45 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	JMP	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	CALL	runtime·entersyscall(SB)
+	MOVQ	a1+8(FP), DI
+	MOVQ	a2+16(FP), SI
+	MOVQ	a3+24(FP), DX
+	MOVQ	$0, R10
+	MOVQ	$0, R8
+	MOVQ	$0, R9
+	MOVQ	trap+0(FP), AX	// syscall entry
+	SYSCALL
+	MOVQ	AX, r1+32(FP)
+	MOVQ	DX, r2+40(FP)
+	CALL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	JMP	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVQ	a1+8(FP), DI
+	MOVQ	a2+16(FP), SI
+	MOVQ	a3+24(FP), DX
+	MOVQ	$0, R10
+	MOVQ	$0, R8
+	MOVQ	$0, R9
+	MOVQ	trap+0(FP), AX	// syscall entry
+	SYSCALL
+	MOVQ	AX, r1+32(FP)
+	MOVQ	DX, r2+40(FP)
+	RET
+
 TEXT ·gettimeofday(SB),NOSPLIT,$0-16
 	JMP	syscall·gettimeofday(SB)
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_arm.s b/vendor/golang.org/x/sys/unix/asm_linux_arm.s
index cf0b57465..cf0f3575c 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_arm.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_arm.s
@@ -13,17 +13,44 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	B	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	B	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	BL	runtime·entersyscall(SB)
+	MOVW	trap+0(FP), R7
+	MOVW	a1+4(FP), R0
+	MOVW	a2+8(FP), R1
+	MOVW	a3+12(FP), R2
+	MOVW	$0, R3
+	MOVW	$0, R4
+	MOVW	$0, R5
+	SWI	$0
+	MOVW	R0, r1+16(FP)
+	MOVW	$0, R0
+	MOVW	R0, r2+20(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	B	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	B	syscall·RawSyscall6(SB)
 
-TEXT ·seek(SB),NOSPLIT,$0-32
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVW	trap+0(FP), R7	// syscall entry
+	MOVW	a1+4(FP), R0
+	MOVW	a2+8(FP), R1
+	MOVW	a3+12(FP), R2
+	SWI	$0
+	MOVW	R0, r1+16(FP)
+	MOVW	$0, R0
+	MOVW	R0, r2+20(FP)
+	RET
+
+TEXT ·seek(SB),NOSPLIT,$0-28
 	B	syscall·seek(SB)
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_arm64.s b/vendor/golang.org/x/sys/unix/asm_linux_arm64.s
index 4be9bfede..afe6fdf6b 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_arm64.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_arm64.s
@@ -11,14 +11,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	B	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	B	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	$0, R3
+	MOVD	$0, R4
+	MOVD	$0, R5
+	MOVD	trap+0(FP), R8	// syscall entry
+	SVC
+	MOVD	R0, r1+32(FP)	// r1
+	MOVD	R1, r2+40(FP)	// r2
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	B	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	B	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	$0, R3
+	MOVD	$0, R4
+	MOVD	$0, R5
+	MOVD	trap+0(FP), R8	// syscall entry
+	SVC
+	MOVD	R0, r1+32(FP)
+	MOVD	R1, r2+40(FP)
+	RET
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_mips64x.s b/vendor/golang.org/x/sys/unix/asm_linux_mips64x.s
index 724e580c4..ab9d63831 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_mips64x.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_mips64x.s
@@ -15,14 +15,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	JMP	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·Syscall6(SB)
 
-TEXT	·RawSyscall(SB),NOSPLIT,$0-56
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	JAL	runtime·entersyscall(SB)
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVV	R2, r1+32(FP)
+	MOVV	R3, r2+40(FP)
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	JMP	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVV	R2, r1+32(FP)
+	MOVV	R3, r2+40(FP)
+	RET
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_mipsx.s b/vendor/golang.org/x/sys/unix/asm_linux_mipsx.s
index 2ea425755..99e539904 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_mipsx.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_mipsx.s
@@ -15,17 +15,40 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	JMP syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	JMP syscall·Syscall6(SB)
 
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
+TEXT ·Syscall9(SB),NOSPLIT,$0-52
 	JMP syscall·Syscall9(SB)
 
-TEXT	·RawSyscall(SB),NOSPLIT,$0-28
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	JAL	runtime·entersyscall(SB)
+	MOVW	a1+4(FP), R4
+	MOVW	a2+8(FP), R5
+	MOVW	a3+12(FP), R6
+	MOVW	R0, R7
+	MOVW	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVW	R2, r1+16(FP)	// r1
+	MOVW	R3, r2+20(FP)	// r2
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	JMP syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	JMP syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVW	a1+4(FP), R4
+	MOVW	a2+8(FP), R5
+	MOVW	a3+12(FP), R6
+	MOVW	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVW	R2, r1+16(FP)
+	MOVW	R3, r2+20(FP)
+	RET
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s b/vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s
index 8d231feb4..649e58714 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s
@@ -15,14 +15,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	BR	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	BR	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R3
+	MOVD	a2+16(FP), R4
+	MOVD	a3+24(FP), R5
+	MOVD	R0, R6
+	MOVD	R0, R7
+	MOVD	R0, R8
+	MOVD	trap+0(FP), R9	// syscall entry
+	SYSCALL R9
+	MOVD	R3, r1+32(FP)
+	MOVD	R4, r2+40(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	BR	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	BR	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R3
+	MOVD	a2+16(FP), R4
+	MOVD	a3+24(FP), R5
+	MOVD	R0, R6
+	MOVD	R0, R7
+	MOVD	R0, R8
+	MOVD	trap+0(FP), R9	// syscall entry
+	SYSCALL R9
+	MOVD	R3, r1+32(FP)
+	MOVD	R4, r2+40(FP)
+	RET
diff --git a/vendor/golang.org/x/sys/unix/asm_linux_s390x.s b/vendor/golang.org/x/sys/unix/asm_linux_s390x.s
index 11889859f..a5a863c6b 100644
--- a/vendor/golang.org/x/sys/unix/asm_linux_s390x.s
+++ b/vendor/golang.org/x/sys/unix/asm_linux_s390x.s
@@ -21,8 +21,36 @@ TEXT ·Syscall(SB),NOSPLIT,$0-56
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	BR	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R2
+	MOVD	a2+16(FP), R3
+	MOVD	a3+24(FP), R4
+	MOVD	$0, R5
+	MOVD	$0, R6
+	MOVD	$0, R7
+	MOVD	trap+0(FP), R1	// syscall entry
+	SYSCALL
+	MOVD	R2, r1+32(FP)
+	MOVD	R3, r2+40(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	BR	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	BR	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R2
+	MOVD	a2+16(FP), R3
+	MOVD	a3+24(FP), R4
+	MOVD	$0, R5
+	MOVD	$0, R6
+	MOVD	$0, R7
+	MOVD	trap+0(FP), R1	// syscall entry
+	SYSCALL
+	MOVD	R2, r1+32(FP)
+	MOVD	R3, r2+40(FP)
+	RET
diff --git a/vendor/golang.org/x/sys/unix/creds_test.go b/vendor/golang.org/x/sys/unix/creds_test.go
index 4557ea426..6b292b19a 100644
--- a/vendor/golang.org/x/sys/unix/creds_test.go
+++ b/vendor/golang.org/x/sys/unix/creds_test.go
@@ -8,6 +8,7 @@ package unix_test
 
 import (
 	"bytes"
+	"go/build"
 	"net"
 	"os"
 	"syscall"
@@ -35,6 +36,11 @@ func TestSCMCredentials(t *testing.T) {
 	}
 
 	for _, tt := range socketTypeTests {
+		if tt.socketType == unix.SOCK_DGRAM && !atLeast1p10() {
+			t.Log("skipping DGRAM test on pre-1.10")
+			continue
+		}
+
 		fds, err := unix.Socketpair(unix.AF_LOCAL, tt.socketType, 0)
 		if err != nil {
 			t.Fatalf("Socketpair: %v", err)
@@ -134,3 +140,13 @@ func TestSCMCredentials(t *testing.T) {
 		}
 	}
 }
+
+// atLeast1p10 reports whether we are running on Go 1.10 or later.
+func atLeast1p10() bool {
+	for _, ver := range build.Default.ReleaseTags {
+		if ver == "go1.10" {
+			return true
+		}
+	}
+	return false
+}
diff --git a/vendor/golang.org/x/sys/unix/dev_darwin_test.go b/vendor/golang.org/x/sys/unix/dev_darwin_test.go
index 48d044860..bf1adf3a8 100644
--- a/vendor/golang.org/x/sys/unix/dev_darwin_test.go
+++ b/vendor/golang.org/x/sys/unix/dev_darwin_test.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.7
+
 package unix_test
 
 import (
diff --git a/vendor/golang.org/x/sys/unix/dev_dragonfly_test.go b/vendor/golang.org/x/sys/unix/dev_dragonfly_test.go
index 2caba08a8..9add37663 100644
--- a/vendor/golang.org/x/sys/unix/dev_dragonfly_test.go
+++ b/vendor/golang.org/x/sys/unix/dev_dragonfly_test.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.7
+
 package unix_test
 
 import (
diff --git a/vendor/golang.org/x/sys/unix/dev_linux_test.go b/vendor/golang.org/x/sys/unix/dev_linux_test.go
index 6e001f37a..2fd3eadd0 100644
--- a/vendor/golang.org/x/sys/unix/dev_linux_test.go
+++ b/vendor/golang.org/x/sys/unix/dev_linux_test.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.7
+
 package unix_test
 
 import (
diff --git a/vendor/golang.org/x/sys/unix/dev_netbsd_test.go b/vendor/golang.org/x/sys/unix/dev_netbsd_test.go
index c39a80a48..441058a10 100644
--- a/vendor/golang.org/x/sys/unix/dev_netbsd_test.go
+++ b/vendor/golang.org/x/sys/unix/dev_netbsd_test.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.7
+
 package unix_test
 
 import (
@@ -18,11 +20,9 @@ func TestDevices(t *testing.T) {
 		minor uint32
 	}{
 		// well known major/minor numbers according to /dev/MAKEDEV on
-		// NetBSD 7.0
+		// NetBSD 8.0
 		{"/dev/null", 2, 2},
 		{"/dev/zero", 2, 12},
-		{"/dev/ttyp0", 5, 0},
-		{"/dev/ttyp1", 5, 1},
 		{"/dev/random", 46, 0},
 		{"/dev/urandom", 46, 1},
 	}
diff --git a/vendor/golang.org/x/sys/unix/dev_openbsd_test.go b/vendor/golang.org/x/sys/unix/dev_openbsd_test.go
index 5635d271f..e6cb64ff3 100644
--- a/vendor/golang.org/x/sys/unix/dev_openbsd_test.go
+++ b/vendor/golang.org/x/sys/unix/dev_openbsd_test.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.7
+
 package unix_test
 
 import (
diff --git a/vendor/golang.org/x/sys/unix/dev_solaris_test.go b/vendor/golang.org/x/sys/unix/dev_solaris_test.go
index db58c0d05..656508c97 100644
--- a/vendor/golang.org/x/sys/unix/dev_solaris_test.go
+++ b/vendor/golang.org/x/sys/unix/dev_solaris_test.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.7
+
 package unix_test
 
 import (
diff --git a/vendor/golang.org/x/sys/unix/env_unix.go b/vendor/golang.org/x/sys/unix/env_unix.go
index 2e06b33f2..706b3cd1d 100644
--- a/vendor/golang.org/x/sys/unix/env_unix.go
+++ b/vendor/golang.org/x/sys/unix/env_unix.go
@@ -25,3 +25,7 @@ func Clearenv() {
 func Environ() []string {
 	return syscall.Environ()
 }
+
+func Unsetenv(key string) error {
+	return syscall.Unsetenv(key)
+}
diff --git a/vendor/golang.org/x/sys/unix/env_unset.go b/vendor/golang.org/x/sys/unix/env_unset.go
deleted file mode 100644
index c44fdc4af..000000000
--- a/vendor/golang.org/x/sys/unix/env_unset.go
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build go1.4
-
-package unix
-
-import "syscall"
-
-func Unsetenv(key string) error {
-	// This was added in Go 1.4.
-	return syscall.Unsetenv(key)
-}
diff --git a/vendor/golang.org/x/sys/unix/gccgo.go b/vendor/golang.org/x/sys/unix/gccgo.go
index 40bed3fa8..50062e3c7 100644
--- a/vendor/golang.org/x/sys/unix/gccgo.go
+++ b/vendor/golang.org/x/sys/unix/gccgo.go
@@ -11,9 +11,19 @@ import "syscall"
 // We can't use the gc-syntax .s files for gccgo. On the plus side
 // much of the functionality can be written directly in Go.
 
+//extern gccgoRealSyscallNoError
+func realSyscallNoError(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r uintptr)
+
 //extern gccgoRealSyscall
 func realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r, errno uintptr)
 
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
+	syscall.Entersyscall()
+	r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
+	syscall.Exitsyscall()
+	return r, 0
+}
+
 func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
 	syscall.Entersyscall()
 	r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
@@ -35,6 +45,11 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 	return r, 0, syscall.Errno(errno)
 }
 
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
+	r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
+	return r, 0
+}
+
 func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
 	r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
 	return r, 0, syscall.Errno(errno)
diff --git a/vendor/golang.org/x/sys/unix/gccgo_c.c b/vendor/golang.org/x/sys/unix/gccgo_c.c
index 99a774f2b..24e96b119 100644
--- a/vendor/golang.org/x/sys/unix/gccgo_c.c
+++ b/vendor/golang.org/x/sys/unix/gccgo_c.c
@@ -31,6 +31,12 @@ gccgoRealSyscall(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintp
 	return r;
 }
 
+uintptr_t
+gccgoRealSyscallNoError(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
+{
+	return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
+}
+
 // Define the use function in C so that it is not inlined.
 
 extern void use(void *) __asm__ (GOSYM_PREFIX GOPKGPATH ".use") __attribute__((noinline));
diff --git a/vendor/golang.org/x/sys/unix/linux/types.go b/vendor/golang.org/x/sys/unix/linux/types.go
index 426be5eb4..929bbbf50 100644
--- a/vendor/golang.org/x/sys/unix/linux/types.go
+++ b/vendor/golang.org/x/sys/unix/linux/types.go
@@ -24,6 +24,7 @@ package unix
 #include <netinet/tcp.h>
 #include <netpacket/packet.h>
 #include <poll.h>
+#include <sched.h>
 #include <signal.h>
 #include <stdio.h>
 #include <sys/epoll.h>
@@ -63,6 +64,7 @@ package unix
 #include <linux/vm_sockets.h>
 #include <linux/random.h>
 #include <linux/taskstats.h>
+#include <linux/cgroupstats.h>
 #include <linux/genetlink.h>
 
 // On mips64, the glibc stat and kernel stat do not agree
@@ -512,6 +514,7 @@ type EpollEvent C.struct_my_epoll_event
 
 const (
 	AT_FDCWD            = C.AT_FDCWD
+	AT_NO_AUTOMOUNT     = C.AT_NO_AUTOMOUNT
 	AT_REMOVEDIR        = C.AT_REMOVEDIR
 	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
 	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
@@ -541,7 +544,7 @@ type Termios C.termios_t
 
 type Winsize C.struct_winsize
 
-// Taskstats
+// Taskstats and cgroup stats.
 
 type Taskstats C.struct_taskstats
 
@@ -563,6 +566,18 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = C.TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK
 )
 
+type CGroupStats C.struct_cgroupstats
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = C.__TASKSTATS_CMD_MAX
+	CGROUPSTATS_CMD_GET           = C.CGROUPSTATS_CMD_GET
+	CGROUPSTATS_CMD_NEW           = C.CGROUPSTATS_CMD_NEW
+	CGROUPSTATS_TYPE_UNSPEC       = C.CGROUPSTATS_TYPE_UNSPEC
+	CGROUPSTATS_TYPE_CGROUP_STATS = C.CGROUPSTATS_TYPE_CGROUP_STATS
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = C.CGROUPSTATS_CMD_ATTR_UNSPEC
+	CGROUPSTATS_CMD_ATTR_FD       = C.CGROUPSTATS_CMD_ATTR_FD
+)
+
 // Generic netlink
 
 type Genlmsghdr C.struct_genlmsghdr
@@ -593,3 +608,12 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = C.CTRL_ATTR_MCAST_GRP_NAME
 	CTRL_ATTR_MCAST_GRP_ID     = C.CTRL_ATTR_MCAST_GRP_ID
 )
+
+// CPU affinity
+
+type cpuMask C.__cpu_mask
+
+const (
+	_CPU_SETSIZE = C.__CPU_SETSIZE
+	_NCPUBITS    = C.__NCPUBITS
+)
diff --git a/vendor/golang.org/x/sys/unix/mkall.sh b/vendor/golang.org/x/sys/unix/mkall.sh
index 00b7ce7ac..1715122bd 100755
--- a/vendor/golang.org/x/sys/unix/mkall.sh
+++ b/vendor/golang.org/x/sys/unix/mkall.sh
@@ -80,12 +80,6 @@ darwin_arm64)
 	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
-dragonfly_386)
-	mkerrors="$mkerrors -m32"
-	mksyscall="./mksyscall.pl -l32 -dragonfly"
-	mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
-	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
-	;;
 dragonfly_amd64)
 	mkerrors="$mkerrors -m64"
 	mksyscall="./mksyscall.pl -dragonfly"
diff --git a/vendor/golang.org/x/sys/unix/mkerrors.sh b/vendor/golang.org/x/sys/unix/mkerrors.sh
index 2db9e0adc..a452554bc 100755
--- a/vendor/golang.org/x/sys/unix/mkerrors.sh
+++ b/vendor/golang.org/x/sys/unix/mkerrors.sh
@@ -48,6 +48,7 @@ includes_Darwin='
 #include <sys/sysctl.h>
 #include <sys/mman.h>
 #include <sys/mount.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -386,7 +387,9 @@ ccflags="$@"
 		$2 == "SOMAXCONN" ||
 		$2 == "NAME_MAX" ||
 		$2 == "IFNAMSIZ" ||
-		$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||
+		$2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
+		$2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
+		$2 ~ /^HW_MACHINE$/ ||
 		$2 ~ /^SYSCTL_VERS/ ||
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
@@ -423,6 +426,7 @@ ccflags="$@"
 		$2 ~ /^(VM|VMADDR)_/ ||
 		$2 ~ /^IOCTL_VM_SOCKETS_/ ||
 		$2 ~ /^(TASKSTATS|TS)_/ ||
+		$2 ~ /^CGROUPSTATS_/ ||
 		$2 ~ /^GENL_/ ||
 		$2 ~ /^UTIME_/ ||
 		$2 ~ /^XATTR_(CREATE|REPLACE)/ ||
diff --git a/vendor/golang.org/x/sys/unix/mksyscall.pl b/vendor/golang.org/x/sys/unix/mksyscall.pl
index fb929b4ce..73e26cafa 100755
--- a/vendor/golang.org/x/sys/unix/mksyscall.pl
+++ b/vendor/golang.org/x/sys/unix/mksyscall.pl
@@ -210,7 +210,15 @@ while(<>) {
 	# Determine which form to use; pad args with zeros.
 	my $asm = "Syscall";
 	if ($nonblock) {
-		$asm = "RawSyscall";
+		if ($errvar ne "") {
+			$asm = "RawSyscall";
+		} else {
+			$asm = "RawSyscallNoError";
+		}
+	} else {
+		if ($errvar eq "") {
+			$asm = "SyscallNoError";
+		}
 	}
 	if(@args <= 3) {
 		while(@args < 3) {
@@ -284,7 +292,11 @@ while(<>) {
 	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
 		$text .= "\t$call\n";
 	} else {
-		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
+		if ($errvar ne "") {
+			$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
+		} else {
+			$text .= "\t$ret[0], $ret[1] := $call\n";
+		}
 	}
 	$text .= $body;
 
diff --git a/vendor/golang.org/x/sys/unix/syscall_bsd.go b/vendor/golang.org/x/sys/unix/syscall_bsd.go
index 47b059840..d3903edeb 100644
--- a/vendor/golang.org/x/sys/unix/syscall_bsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_bsd.go
@@ -352,6 +352,18 @@ func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
 	return &value, err
 }
 
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		return "", err
+	}
+	return string(buf[:vallen-1]), nil
+}
+
 //sys   recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
 //sys   sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_bsd_test.go b/vendor/golang.org/x/sys/unix/syscall_bsd_test.go
index d8085a072..6c4e2aca0 100644
--- a/vendor/golang.org/x/sys/unix/syscall_bsd_test.go
+++ b/vendor/golang.org/x/sys/unix/syscall_bsd_test.go
@@ -10,6 +10,7 @@ import (
 	"os/exec"
 	"runtime"
 	"testing"
+	"time"
 
 	"golang.org/x/sys/unix"
 )
@@ -50,6 +51,28 @@ func TestGetfsstat(t *testing.T) {
 	}
 }
 
+func TestSelect(t *testing.T) {
+	err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
+	if err != nil {
+		t.Fatalf("Select: %v", err)
+	}
+
+	dur := 250 * time.Millisecond
+	tv := unix.NsecToTimeval(int64(dur))
+	start := time.Now()
+	err = unix.Select(0, nil, nil, nil, &tv)
+	took := time.Since(start)
+	if err != nil {
+		t.Fatalf("Select: %v", err)
+	}
+
+	// On some BSDs the actual timeout might also be slightly less than the requested.
+	// Add an acceptable margin to avoid flaky tests.
+	if took < dur*2/3 {
+		t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
+	}
+}
+
 func TestSysctlRaw(t *testing.T) {
 	if runtime.GOOS == "openbsd" {
 		t.Skip("kern.proc.pid does not exist on OpenBSD")
@@ -60,3 +83,11 @@ func TestSysctlRaw(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func TestSysctlUint32(t *testing.T) {
+	maxproc, err := unix.SysctlUint32("kern.maxproc")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("kern.maxproc: %v", maxproc)
+}
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin.go b/vendor/golang.org/x/sys/unix/syscall_darwin.go
index 9a6783e9b..d6c472a75 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go
@@ -270,6 +270,52 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin_arm.go b/vendor/golang.org/x/sys/unix/syscall_darwin_arm.go
index 47ab66485..faae207a4 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin_arm.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin_arm.go
@@ -60,3 +60,7 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
+
+// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
+// of darwin/arm the syscall is called sysctl instead of __sysctl.
+const SYS___SYSCTL = SYS_SYSCTL
diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
index 49c65ea61..6dfc89a7e 100644
--- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@@ -110,6 +110,23 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
 	return
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	var bufsize uintptr
@@ -169,6 +186,69 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func sysctlUname(mib []_C_int, old *byte, oldlen *uintptr) error {
+	err := sysctl(mib, old, oldlen, nil, 0)
+	if err != nil {
+		// Utsname members on Dragonfly are only 32 bytes and
+		// the syscall returns ENOMEM in case the actual value
+		// is longer.
+		if err == ENOMEM {
+			err = nil
+		}
+	}
+	return err
+}
+
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctlUname(mib, &uname.Sysname[0], &n); err != nil {
+		return err
+	}
+	uname.Sysname[unsafe.Sizeof(uname.Sysname)-1] = 0
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctlUname(mib, &uname.Nodename[0], &n); err != nil {
+		return err
+	}
+	uname.Nodename[unsafe.Sizeof(uname.Nodename)-1] = 0
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctlUname(mib, &uname.Release[0], &n); err != nil {
+		return err
+	}
+	uname.Release[unsafe.Sizeof(uname.Release)-1] = 0
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctlUname(mib, &uname.Version[0], &n); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctlUname(mib, &uname.Machine[0], &n); err != nil {
+		return err
+	}
+	uname.Machine[unsafe.Sizeof(uname.Machine)-1] = 0
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
diff --git a/vendor/golang.org/x/sys/unix/syscall_freebsd.go b/vendor/golang.org/x/sys/unix/syscall_freebsd.go
index a82ce127e..b8ecf6c78 100644
--- a/vendor/golang.org/x/sys/unix/syscall_freebsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_freebsd.go
@@ -105,6 +105,23 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
 	return
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	var bufsize uintptr
@@ -276,7 +293,6 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
 
 	// FreeBSD won't allow you to list xattrs from multiple namespaces
 	s := 0
-	var e error
 	for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
 		stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
 
@@ -288,7 +304,6 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
 		 * we don't have read permissions on, so don't ignore those errors
 		 */
 		if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
-			e = nil
 			continue
 		} else if e != nil {
 			return s, e
@@ -302,7 +317,7 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
 		d = initxattrdest(dest, s)
 	}
 
-	return s, e
+	return s, nil
 }
 
 func Flistxattr(fd int, dest []byte) (sz int, err error) {
@@ -310,11 +325,9 @@ func Flistxattr(fd int, dest []byte) (sz int, err error) {
 	destsiz := len(dest)
 
 	s := 0
-	var e error
 	for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
 		stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
 		if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
-			e = nil
 			continue
 		} else if e != nil {
 			return s, e
@@ -328,7 +341,7 @@ func Flistxattr(fd int, dest []byte) (sz int, err error) {
 		d = initxattrdest(dest, s)
 	}
 
-	return s, e
+	return s, nil
 }
 
 func Llistxattr(link string, dest []byte) (sz int, err error) {
@@ -336,11 +349,9 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
 	destsiz := len(dest)
 
 	s := 0
-	var e error
 	for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
 		stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
 		if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
-			e = nil
 			continue
 		} else if e != nil {
 			return s, e
@@ -354,7 +365,7 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
 		d = initxattrdest(dest, s)
 	}
 
-	return s, e
+	return s, nil
 }
 
 //sys   ioctl(fd int, req uint, arg uintptr) (err error)
@@ -396,6 +407,52 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
@@ -439,6 +496,7 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
+//sys	Getdents(fd int, buf []byte) (n int, err error)
 //sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error)
 //sys	Getdtablesize() (size int)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go
index 9098661a3..44628566f 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux.go
@@ -16,6 +16,13 @@ import (
 	"unsafe"
 )
 
+// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
+// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
+// fail.
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
 /*
  * Wrapped
  */
@@ -808,6 +815,24 @@ func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) {
 	return &value, err
 }
 
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		if err == ERANGE {
+			buf = make([]byte, vallen)
+			err = getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+		}
+		if err != nil {
+			return "", err
+		}
+	}
+	return string(buf[:vallen-1]), nil
+}
+
 func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
 	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
 }
@@ -1410,7 +1435,6 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
 // Msgget
 // Msgrcv
 // Msgsnd
-// Newfstatat
 // Nfsservctl
 // Personality
 // Pselect6
@@ -1431,11 +1455,9 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
 // RtSigtimedwait
 // SchedGetPriorityMax
 // SchedGetPriorityMin
-// SchedGetaffinity
 // SchedGetparam
 // SchedGetscheduler
 // SchedRrGetInterval
-// SchedSetaffinity
 // SchedSetparam
 // SchedYield
 // Security
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_386.go b/vendor/golang.org/x/sys/unix/syscall_linux_386.go
index 4774fa363..bb8e4fbd8 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_386.go
@@ -54,6 +54,7 @@ func Pipe2(p []int, flags int) (err error) {
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64_64
 //sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
 //sysnb	Getegid() (egid int) = SYS_GETEGID32
 //sysnb	Geteuid() (euid int) = SYS_GETEUID32
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go b/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
index 3707f6b7c..53d38a534 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
@@ -11,6 +11,7 @@ package unix
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_arm.go b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
index 226be100f..c59f8588f 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
@@ -77,6 +77,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sysnb	Getegid() (egid int) = SYS_GETEGID32
 //sysnb	Geteuid() (euid int) = SYS_GETEUID32
 //sysnb	Getgid() (gid int) = SYS_GETGID32
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go b/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
index cdda11a9f..46aa4ff9c 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
@@ -10,6 +10,7 @@ package unix
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go b/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
index a114ba8cb..40b8e4f0f 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
@@ -65,6 +65,7 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 
 //sys	Utime(path string, buf *Utimbuf) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go b/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
index 7cae936c4..17c9116e8 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
@@ -11,6 +11,7 @@ package unix
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
index e96a40cb2..c0d86e722 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
@@ -15,6 +15,7 @@ import (
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go b/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
index 012a3285e..a00f99279 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
@@ -10,6 +10,7 @@ package unix
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_test.go b/vendor/golang.org/x/sys/unix/syscall_linux_test.go
index 84c69d268..31ae24c3e 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_test.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_test.go
@@ -9,6 +9,7 @@ package unix_test
 import (
 	"io/ioutil"
 	"os"
+	"runtime"
 	"testing"
 	"time"
 
@@ -182,17 +183,129 @@ func TestSelect(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Select: %v", err)
 	}
+
+	dur := 150 * time.Millisecond
+	tv := unix.NsecToTimeval(int64(dur))
+	start := time.Now()
+	_, err = unix.Select(0, nil, nil, nil, &tv)
+	took := time.Since(start)
+	if err != nil {
+		t.Fatalf("Select: %v", err)
+	}
+
+	if took < dur {
+		t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
+	}
+}
+
+func TestPselect(t *testing.T) {
+	_, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil)
+	if err != nil {
+		t.Fatalf("Pselect: %v", err)
+	}
+
+	dur := 2500 * time.Microsecond
+	ts := unix.NsecToTimespec(int64(dur))
+	start := time.Now()
+	_, err = unix.Pselect(0, nil, nil, nil, &ts, nil)
+	took := time.Since(start)
+	if err != nil {
+		t.Fatalf("Pselect: %v", err)
+	}
+
+	if took < dur {
+		t.Errorf("Pselect: timeout should have been at least %v, got %v", dur, took)
+	}
 }
 
-func TestUname(t *testing.T) {
-	var utsname unix.Utsname
-	err := unix.Uname(&utsname)
+func TestFstatat(t *testing.T) {
+	defer chtmpdir(t)()
+
+	touch(t, "file1")
+
+	var st1 unix.Stat_t
+	err := unix.Stat("file1", &st1)
+	if err != nil {
+		t.Fatalf("Stat: %v", err)
+	}
+
+	var st2 unix.Stat_t
+	err = unix.Fstatat(unix.AT_FDCWD, "file1", &st2, 0)
 	if err != nil {
-		t.Fatalf("Uname: %v", err)
+		t.Fatalf("Fstatat: %v", err)
+	}
+
+	if st1 != st2 {
+		t.Errorf("Fstatat: returned stat does not match Stat")
 	}
 
-	// conversion from []byte to string, golang.org/issue/20753
-	t.Logf("OS: %s/%s %s", string(utsname.Sysname[:]), string(utsname.Machine[:]), string(utsname.Release[:]))
+	os.Symlink("file1", "symlink1")
+
+	err = unix.Lstat("symlink1", &st1)
+	if err != nil {
+		t.Fatalf("Lstat: %v", err)
+	}
+
+	err = unix.Fstatat(unix.AT_FDCWD, "symlink1", &st2, unix.AT_SYMLINK_NOFOLLOW)
+	if err != nil {
+		t.Fatalf("Fstatat: %v", err)
+	}
+
+	if st1 != st2 {
+		t.Errorf("Fstatat: returned stat does not match Lstat")
+	}
+}
+
+func TestSchedSetaffinity(t *testing.T) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	var oldMask unix.CPUSet
+	err := unix.SchedGetaffinity(0, &oldMask)
+	if err != nil {
+		t.Fatalf("SchedGetaffinity: %v", err)
+	}
+
+	var newMask unix.CPUSet
+	newMask.Zero()
+	if newMask.Count() != 0 {
+		t.Errorf("CpuZero: didn't zero CPU set: %v", newMask)
+	}
+	cpu := 1
+	newMask.Set(cpu)
+	if newMask.Count() != 1 || !newMask.IsSet(cpu) {
+		t.Errorf("CpuSet: didn't set CPU %d in set: %v", cpu, newMask)
+	}
+	cpu = 5
+	newMask.Set(cpu)
+	if newMask.Count() != 2 || !newMask.IsSet(cpu) {
+		t.Errorf("CpuSet: didn't set CPU %d in set: %v", cpu, newMask)
+	}
+	newMask.Clear(cpu)
+	if newMask.Count() != 1 || newMask.IsSet(cpu) {
+		t.Errorf("CpuClr: didn't clear CPU %d in set: %v", cpu, newMask)
+	}
+
+	err = unix.SchedSetaffinity(0, &newMask)
+	if err != nil {
+		t.Fatalf("SchedSetaffinity: %v", err)
+	}
+
+	var gotMask unix.CPUSet
+	err = unix.SchedGetaffinity(0, &gotMask)
+	if err != nil {
+		t.Fatalf("SchedGetaffinity: %v", err)
+	}
+
+	if gotMask != newMask {
+		t.Errorf("SchedSetaffinity: returned affinity mask does not match set affinity mask")
+	}
+
+	// Restore old mask so it doesn't affect successive tests
+	err = unix.SchedSetaffinity(0, &oldMask)
+	if err != nil {
+		t.Fatalf("SchedSetaffinity: %v", err)
+	}
 }
 
 // utilities taken from os/os_test.go
diff --git a/vendor/golang.org/x/sys/unix/syscall_netbsd.go b/vendor/golang.org/x/sys/unix/syscall_netbsd.go
index 914680952..d81106d10 100644
--- a/vendor/golang.org/x/sys/unix/syscall_netbsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_netbsd.go
@@ -118,6 +118,23 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	return getdents(fd, buf)
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 // TODO
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	return -1, ENOSYS
@@ -167,6 +184,52 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
diff --git a/vendor/golang.org/x/sys/unix/syscall_no_getwd.go b/vendor/golang.org/x/sys/unix/syscall_no_getwd.go
deleted file mode 100644
index 530792ea9..000000000
--- a/vendor/golang.org/x/sys/unix/syscall_no_getwd.go
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build dragonfly freebsd netbsd openbsd
-
-package unix
-
-const ImplementsGetwd = false
-
-func Getwd() (string, error) { return "", ENOTSUP }
diff --git a/vendor/golang.org/x/sys/unix/syscall_openbsd.go b/vendor/golang.org/x/sys/unix/syscall_openbsd.go
index 0bda73c38..553c2fb85 100644
--- a/vendor/golang.org/x/sys/unix/syscall_openbsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_openbsd.go
@@ -13,6 +13,7 @@
 package unix
 
 import (
+	"sort"
 	"syscall"
 	"unsafe"
 )
@@ -32,22 +33,11 @@ type SockaddrDatalink struct {
 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
 func nametomib(name string) (mib []_C_int, err error) {
-	// Perform lookup via a binary search
-	left := 0
-	right := len(sysctlMib) - 1
-	for {
-		idx := left + (right-left)/2
-		switch {
-		case name == sysctlMib[idx].ctlname:
-			return sysctlMib[idx].ctloid, nil
-		case name > sysctlMib[idx].ctlname:
-			left = idx + 1
-		default:
-			right = idx - 1
-		}
-		if left > right {
-			break
-		}
+	i := sort.Search(len(sysctlMib), func(i int) bool {
+		return sysctlMib[i].ctlname >= name
+	})
+	if i < len(sysctlMib) && sysctlMib[i].ctlname == name {
+		return sysctlMib[i].ctloid, nil
 	}
 	return nil, EINVAL
 }
@@ -81,6 +71,23 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	return getdents(fd, buf)
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 // TODO
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	return -1, ENOSYS
@@ -145,6 +152,52 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
diff --git a/vendor/golang.org/x/sys/unix/syscall_solaris.go b/vendor/golang.org/x/sys/unix/syscall_solaris.go
index 3ab9e07c8..9dc01e742 100644
--- a/vendor/golang.org/x/sys/unix/syscall_solaris.go
+++ b/vendor/golang.org/x/sys/unix/syscall_solaris.go
@@ -34,15 +34,6 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
-func clen(n []byte) int {
-	for i := 0; i < len(n); i++ {
-		if n[i] == 0 {
-			return i
-		}
-	}
-	return len(n)
-}
-
 func direntIno(buf []byte) (uint64, bool) {
 	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
 }
@@ -139,6 +130,18 @@ func Getsockname(fd int) (sa Sockaddr, err error) {
 	return anyToSockaddr(&rsa)
 }
 
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		return "", err
+	}
+	return string(buf[:vallen-1]), nil
+}
+
 const ImplementsGetwd = true
 
 //sys	Getcwd(buf []byte) (n int, err error)
@@ -655,6 +658,7 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = lseek
+//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
 //sysnb	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_solaris_test.go b/vendor/golang.org/x/sys/unix/syscall_solaris_test.go
index d3e7d2b2e..57dba8824 100644
--- a/vendor/golang.org/x/sys/unix/syscall_solaris_test.go
+++ b/vendor/golang.org/x/sys/unix/syscall_solaris_test.go
@@ -9,10 +9,31 @@ package unix_test
 import (
 	"os/exec"
 	"testing"
+	"time"
 
 	"golang.org/x/sys/unix"
 )
 
+func TestSelect(t *testing.T) {
+	err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
+	if err != nil {
+		t.Fatalf("Select: %v", err)
+	}
+
+	dur := 150 * time.Millisecond
+	tv := unix.NsecToTimeval(int64(dur))
+	start := time.Now()
+	err = unix.Select(0, nil, nil, nil, &tv)
+	took := time.Since(start)
+	if err != nil {
+		t.Fatalf("Select: %v", err)
+	}
+
+	if took < dur {
+		t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
+	}
+}
+
 func TestStatvfs(t *testing.T) {
 	if err := unix.Statvfs("", nil); err == nil {
 		t.Fatal(`Statvfs("") expected failure`)
diff --git a/vendor/golang.org/x/sys/unix/syscall_test.go b/vendor/golang.org/x/sys/unix/syscall_test.go
index 95eac92ac..a8eef7cf8 100644
--- a/vendor/golang.org/x/sys/unix/syscall_test.go
+++ b/vendor/golang.org/x/sys/unix/syscall_test.go
@@ -48,3 +48,13 @@ func TestItoa(t *testing.T) {
 		t.Fatalf("itoa(%d) = %s, want %s", i, s, f)
 	}
 }
+
+func TestUname(t *testing.T) {
+	var utsname unix.Utsname
+	err := unix.Uname(&utsname)
+	if err != nil {
+		t.Fatalf("Uname: %v", err)
+	}
+
+	t.Logf("OS: %s/%s %s", utsname.Sysname[:], utsname.Machine[:], utsname.Release[:])
+}
diff --git a/vendor/golang.org/x/sys/unix/syscall_unix.go b/vendor/golang.org/x/sys/unix/syscall_unix.go
index 3ed8a91f5..35c1cd5ca 100644
--- a/vendor/golang.org/x/sys/unix/syscall_unix.go
+++ b/vendor/golang.org/x/sys/unix/syscall_unix.go
@@ -50,6 +50,17 @@ func errnoErr(e syscall.Errno) error {
 	return e
 }
 
+// clen returns the index of the first NULL byte in n or len(n) if n contains no
+// NULL byte or len(n) if n contains no NULL byte
+func clen(n []byte) int {
+	for i := 0; i < len(n); i++ {
+		if n[i] == 0 {
+			return i
+		}
+	}
+	return len(n)
+}
+
 // Mmap manager, for use by operating system-specific implementations.
 
 type mmapper struct {
diff --git a/vendor/golang.org/x/sys/unix/syscall_unix_test.go b/vendor/golang.org/x/sys/unix/syscall_unix_test.go
index d0a09ce88..496e47135 100644
--- a/vendor/golang.org/x/sys/unix/syscall_unix_test.go
+++ b/vendor/golang.org/x/sys/unix/syscall_unix_test.go
@@ -378,6 +378,54 @@ func TestPoll(t *testing.T) {
 	}
 }
 
+func TestGetwd(t *testing.T) {
+	fd, err := os.Open(".")
+	if err != nil {
+		t.Fatalf("Open .: %s", err)
+	}
+	defer fd.Close()
+	// These are chosen carefully not to be symlinks on a Mac
+	// (unlike, say, /var, /etc)
+	dirs := []string{"/", "/usr/bin"}
+	if runtime.GOOS == "darwin" {
+		switch runtime.GOARCH {
+		case "arm", "arm64":
+			d1, err := ioutil.TempDir("", "d1")
+			if err != nil {
+				t.Fatalf("TempDir: %v", err)
+			}
+			d2, err := ioutil.TempDir("", "d2")
+			if err != nil {
+				t.Fatalf("TempDir: %v", err)
+			}
+			dirs = []string{d1, d2}
+		}
+	}
+	oldwd := os.Getenv("PWD")
+	for _, d := range dirs {
+		err = os.Chdir(d)
+		if err != nil {
+			t.Fatalf("Chdir: %v", err)
+		}
+		pwd, err := unix.Getwd()
+		if err != nil {
+			t.Fatalf("Getwd in %s: %s", d, err)
+		}
+		os.Setenv("PWD", oldwd)
+		err = fd.Chdir()
+		if err != nil {
+			// We changed the current directory and cannot go back.
+			// Don't let the tests continue; they'll scribble
+			// all over some other directory.
+			fmt.Fprintf(os.Stderr, "fchdir back to dot failed: %s\n", err)
+			os.Exit(1)
+		}
+		if pwd != d {
+			t.Fatalf("Getwd returned %q want %q", pwd, d)
+		}
+	}
+}
+
 // mktmpfifo creates a temporary FIFO and provides a cleanup function.
 func mktmpfifo(t *testing.T) (*os.File, func()) {
 	err := unix.Mkfifo("fifo", 0666)
diff --git a/vendor/golang.org/x/sys/unix/timestruct.go b/vendor/golang.org/x/sys/unix/timestruct.go
index 139fbbebb..47b9011ee 100644
--- a/vendor/golang.org/x/sys/unix/timestruct.go
+++ b/vendor/golang.org/x/sys/unix/timestruct.go
@@ -6,6 +6,8 @@
 
 package unix
 
+import "time"
+
 // TimespecToNsec converts a Timespec value into a number of
 // nanoseconds since the Unix epoch.
 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
@@ -22,6 +24,24 @@ func NsecToTimespec(nsec int64) Timespec {
 	return setTimespec(sec, nsec)
 }
 
+// TimeToTimespec converts t into a Timespec.
+// On some 32-bit systems the range of valid Timespec values are smaller
+// than that of time.Time values.  So if t is out of the valid range of
+// Timespec, it returns a zero Timespec and ERANGE.
+func TimeToTimespec(t time.Time) (Timespec, error) {
+	sec := t.Unix()
+	nsec := int64(t.Nanosecond())
+	ts := setTimespec(sec, nsec)
+
+	// Currently all targets have either int32 or int64 for Timespec.Sec.
+	// If there were a new target with floating point type for it, we have
+	// to consider the rounding error.
+	if int64(ts.Sec) != sec {
+		return Timespec{}, ERANGE
+	}
+	return ts, nil
+}
+
 // TimevalToNsec converts a Timeval value into a number of nanoseconds
 // since the Unix epoch.
 func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
diff --git a/vendor/golang.org/x/sys/unix/timestruct_test.go b/vendor/golang.org/x/sys/unix/timestruct_test.go
new file mode 100644
index 000000000..4215f46d1
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/timestruct_test.go
@@ -0,0 +1,54 @@
+// Copyright 2017 The Go Authors. All right reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package unix_test
+
+import (
+	"testing"
+	"time"
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+func TestTimeToTimespec(t *testing.T) {
+	timeTests := []struct {
+		time  time.Time
+		valid bool
+	}{
+		{time.Unix(0, 0), true},
+		{time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC), true},
+		{time.Date(2262, time.December, 31, 23, 0, 0, 0, time.UTC), false},
+		{time.Unix(0x7FFFFFFF, 0), true},
+		{time.Unix(0x80000000, 0), false},
+		{time.Unix(0x7FFFFFFF, 1000000000), false},
+		{time.Unix(0x7FFFFFFF, 999999999), true},
+		{time.Unix(-0x80000000, 0), true},
+		{time.Unix(-0x80000001, 0), false},
+		{time.Date(2038, time.January, 19, 3, 14, 7, 0, time.UTC), true},
+		{time.Date(2038, time.January, 19, 3, 14, 8, 0, time.UTC), false},
+		{time.Date(1901, time.December, 13, 20, 45, 52, 0, time.UTC), true},
+		{time.Date(1901, time.December, 13, 20, 45, 51, 0, time.UTC), false},
+	}
+
+	// Currently all targets have either int32 or int64 for Timespec.Sec.
+	// If there were a new target with unsigned or floating point type for
+	// it, this test must be adjusted.
+	have64BitTime := (unsafe.Sizeof(unix.Timespec{}.Sec) == 8)
+	for _, tt := range timeTests {
+		ts, err := unix.TimeToTimespec(tt.time)
+		tt.valid = tt.valid || have64BitTime
+		if tt.valid && err != nil {
+			t.Errorf("TimeToTimespec(%v): %v", tt.time, err)
+		}
+		if err == nil {
+			tstime := time.Unix(int64(ts.Sec), int64(ts.Nsec))
+			if !tstime.Equal(tt.time) {
+				t.Errorf("TimeToTimespec(%v) is the time %v", tt.time, tstime)
+			}
+		}
+	}
+}
diff --git a/vendor/golang.org/x/sys/unix/types_darwin.go b/vendor/golang.org/x/sys/unix/types_darwin.go
index 3a938ace6..46b9908e0 100644
--- a/vendor/golang.org/x/sys/unix/types_darwin.go
+++ b/vendor/golang.org/x/sys/unix/types_darwin.go
@@ -39,6 +39,7 @@ package unix
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <sys/un.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -270,3 +271,7 @@ const (
 	POLLWRBAND = C.POLLWRBAND
 	POLLWRNORM = C.POLLWRNORM
 )
+
+// uname
+
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_dragonfly.go b/vendor/golang.org/x/sys/unix/types_dragonfly.go
index 46d7da96d..0c6330483 100644
--- a/vendor/golang.org/x/sys/unix/types_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/types_dragonfly.go
@@ -35,6 +35,7 @@ package unix
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/un.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -126,6 +127,12 @@ type Dirent C.struct_dirent
 
 type Fsid C.struct_fsid
 
+// File system limits
+
+const (
+	PathMax = C.PATH_MAX
+)
+
 // Sockets
 
 type RawSockaddrInet4 C.struct_sockaddr_in
@@ -267,3 +274,7 @@ const (
 	POLLWRBAND = C.POLLWRBAND
 	POLLWRNORM = C.POLLWRNORM
 )
+
+// Uname
+
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_freebsd.go b/vendor/golang.org/x/sys/unix/types_freebsd.go
index 7340004ef..4eb02cd4d 100644
--- a/vendor/golang.org/x/sys/unix/types_freebsd.go
+++ b/vendor/golang.org/x/sys/unix/types_freebsd.go
@@ -36,6 +36,7 @@ package unix
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/un.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -215,6 +216,12 @@ type Dirent C.struct_dirent
 
 type Fsid C.struct_fsid
 
+// File system limits
+
+const (
+	PathMax = C.PATH_MAX
+)
+
 // Advice to Fadvise
 
 const (
@@ -389,3 +396,7 @@ const (
 // Capabilities
 
 type CapRights C.struct_cap_rights
+
+// Uname
+
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_netbsd.go b/vendor/golang.org/x/sys/unix/types_netbsd.go
index 7ff50bc84..10aa9b3a4 100644
--- a/vendor/golang.org/x/sys/unix/types_netbsd.go
+++ b/vendor/golang.org/x/sys/unix/types_netbsd.go
@@ -37,6 +37,7 @@ package unix
 #include <sys/time.h>
 #include <sys/uio.h>
 #include <sys/un.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -111,6 +112,12 @@ type Dirent C.struct_dirent
 
 type Fsid C.fsid_t
 
+// File system limits
+
+const (
+	PathMax = C.PATH_MAX
+)
+
 // Sockets
 
 type RawSockaddrInet4 C.struct_sockaddr_in
@@ -257,3 +264,7 @@ const (
 // Sysctl
 
 type Sysctlnode C.struct_sysctlnode
+
+// Uname
+
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_openbsd.go b/vendor/golang.org/x/sys/unix/types_openbsd.go
index 837b514dc..649e55998 100644
--- a/vendor/golang.org/x/sys/unix/types_openbsd.go
+++ b/vendor/golang.org/x/sys/unix/types_openbsd.go
@@ -36,6 +36,7 @@ package unix
 #include <sys/time.h>
 #include <sys/uio.h>
 #include <sys/un.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -127,6 +128,12 @@ type Dirent C.struct_dirent
 
 type Fsid C.fsid_t
 
+// File system limits
+
+const (
+	PathMax = C.PATH_MAX
+)
+
 // Sockets
 
 type RawSockaddrInet4 C.struct_sockaddr_in
@@ -269,3 +276,7 @@ const (
 	POLLWRBAND = C.POLLWRBAND
 	POLLWRNORM = C.POLLWRNORM
 )
+
+// Uname
+
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/zerrors_darwin_386.go b/vendor/golang.org/x/sys/unix/zerrors_darwin_386.go
index c90ebcf7a..dcba88424 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_darwin_386.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_darwin_386.go
@@ -249,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -532,6 +534,7 @@ const (
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -878,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go
index 899194864..1a51c963c 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go
@@ -249,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -532,6 +534,7 @@ const (
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -878,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_darwin_arm.go b/vendor/golang.org/x/sys/unix/zerrors_darwin_arm.go
index c41a6b879..fa135b17c 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_darwin_arm.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_darwin_arm.go
@@ -249,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -532,6 +534,7 @@ const (
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -878,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go b/vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go
index 73f8c8784..6419c65e1 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go
@@ -249,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -532,6 +534,7 @@ const (
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -878,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go
index 8f40598bb..d96015505 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go
@@ -168,6 +168,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -353,6 +355,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -835,6 +838,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_freebsd_386.go b/vendor/golang.org/x/sys/unix/zerrors_freebsd_386.go
index adf5eef0f..a8b05878e 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_freebsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_freebsd_386.go
@@ -351,6 +351,8 @@ const (
 	CSTOP                          = 0x13
 	CSTOPB                         = 0x400
 	CSUSP                          = 0x1a
+	CTL_HW                         = 0x6
+	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
 	DLT_A429                       = 0xb8
@@ -608,6 +610,7 @@ const (
 	F_UNLCKSYS                     = 0x4
 	F_WRLCK                        = 0x3
 	HUPCL                          = 0x4000
+	HW_MACHINE                     = 0x1
 	ICANON                         = 0x100
 	ICMP6_FILTER                   = 0x12
 	ICRNL                          = 0x100
@@ -944,6 +947,10 @@ const (
 	IXANY                          = 0x800
 	IXOFF                          = 0x400
 	IXON                           = 0x200
+	KERN_HOSTNAME                  = 0xa
+	KERN_OSRELEASE                 = 0x2
+	KERN_OSTYPE                    = 0x1
+	KERN_VERSION                   = 0x4
 	LOCK_EX                        = 0x2
 	LOCK_NB                        = 0x4
 	LOCK_SH                        = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_freebsd_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_freebsd_amd64.go
index 360caff4f..cf5f01260 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_freebsd_amd64.go
@@ -351,6 +351,8 @@ const (
 	CSTOP                          = 0x13
 	CSTOPB                         = 0x400
 	CSUSP                          = 0x1a
+	CTL_HW                         = 0x6
+	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
 	DLT_A429                       = 0xb8
@@ -608,6 +610,7 @@ const (
 	F_UNLCKSYS                     = 0x4
 	F_WRLCK                        = 0x3
 	HUPCL                          = 0x4000
+	HW_MACHINE                     = 0x1
 	ICANON                         = 0x100
 	ICMP6_FILTER                   = 0x12
 	ICRNL                          = 0x100
@@ -944,6 +947,10 @@ const (
 	IXANY                          = 0x800
 	IXOFF                          = 0x400
 	IXON                           = 0x200
+	KERN_HOSTNAME                  = 0xa
+	KERN_OSRELEASE                 = 0x2
+	KERN_OSTYPE                    = 0x1
+	KERN_VERSION                   = 0x4
 	LOCK_EX                        = 0x2
 	LOCK_NB                        = 0x4
 	LOCK_SH                        = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_freebsd_arm.go b/vendor/golang.org/x/sys/unix/zerrors_freebsd_arm.go
index 87deda950..9bbb90ad8 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_freebsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_freebsd_arm.go
@@ -351,6 +351,8 @@ const (
 	CSTOP                          = 0x13
 	CSTOPB                         = 0x400
 	CSUSP                          = 0x1a
+	CTL_HW                         = 0x6
+	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
 	DLT_A429                       = 0xb8
@@ -615,6 +617,7 @@ const (
 	F_UNLCKSYS                     = 0x4
 	F_WRLCK                        = 0x3
 	HUPCL                          = 0x4000
+	HW_MACHINE                     = 0x1
 	ICANON                         = 0x100
 	ICMP6_FILTER                   = 0x12
 	ICRNL                          = 0x100
@@ -951,6 +954,10 @@ const (
 	IXANY                          = 0x800
 	IXOFF                          = 0x400
 	IXON                           = 0x200
+	KERN_HOSTNAME                  = 0xa
+	KERN_OSRELEASE                 = 0x2
+	KERN_OSTYPE                    = 0x1
+	KERN_VERSION                   = 0x4
 	LOCK_EX                        = 0x2
 	LOCK_NB                        = 0x4
 	LOCK_SH                        = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_netbsd_386.go b/vendor/golang.org/x/sys/unix/zerrors_netbsd_386.go
index b4338d5f2..1612b6609 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_netbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_netbsd_386.go
@@ -1,5 +1,5 @@
 // mkerrors.sh -m32
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build 386,netbsd
 
@@ -169,6 +169,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	CTL_QUERY                         = -0x2
@@ -581,6 +583,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -970,6 +973,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_netbsd_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_netbsd_amd64.go
index 4994437b6..c994ab610 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_netbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_netbsd_amd64.go
@@ -1,5 +1,5 @@
 // mkerrors.sh -m64
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build amd64,netbsd
 
@@ -169,6 +169,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	CTL_QUERY                         = -0x2
@@ -571,6 +573,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -960,6 +963,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm.go b/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm.go
index 206c75f09..a8f9efede 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm.go
@@ -1,5 +1,5 @@
 // mkerrors.sh -marm
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm,netbsd
 
@@ -161,6 +161,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	CTL_QUERY                         = -0x2
@@ -563,6 +565,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -952,6 +955,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1
diff --git a/vendor/golang.org/x/sys/unix/zerrors_openbsd_386.go b/vendor/golang.org/x/sys/unix/zerrors_openbsd_386.go
index 3322e998d..04e4f3319 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_openbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_openbsd_386.go
@@ -1,5 +1,5 @@
 // mkerrors.sh -m32
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build 386,openbsd
 
@@ -157,6 +157,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DIOCOSFPFLUSH                     = 0x2000444e
@@ -442,6 +444,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -860,6 +863,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LCNT_OVERLOAD_FLUSH               = 0x6
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
diff --git a/vendor/golang.org/x/sys/unix/zerrors_openbsd_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_openbsd_amd64.go
index 1758ecca9..c80ff9812 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_openbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_openbsd_amd64.go
@@ -1,5 +1,5 @@
 // mkerrors.sh -m64
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build amd64,openbsd
 
@@ -157,6 +157,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DIOCOSFPFLUSH                     = 0x2000444e
@@ -442,6 +444,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -860,6 +863,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LCNT_OVERLOAD_FLUSH               = 0x6
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
diff --git a/vendor/golang.org/x/sys/unix/zerrors_openbsd_arm.go b/vendor/golang.org/x/sys/unix/zerrors_openbsd_arm.go
index 3ed0b2602..4c320495c 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_openbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_openbsd_arm.go
@@ -1,5 +1,5 @@
 // mkerrors.sh
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs -- _const.go
@@ -157,6 +157,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DIOCOSFPFLUSH                     = 0x2000444e
@@ -441,6 +443,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -859,6 +862,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LCNT_OVERLOAD_FLUSH               = 0x6
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
index 2ed340fd1..a0241de19 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
@@ -423,6 +423,23 @@ func extpwrite(fd int, p []byte, flags int, offset int64) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
index 8bcecfb9b..fd9ca5a4a 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
@@ -389,6 +389,23 @@ func pipe() (r int, w int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
@@ -937,6 +954,23 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdents(fd int, buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_GETDENTS, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(buf) > 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
index 61c0cf99b..a9f18b22d 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
@@ -389,6 +389,23 @@ func pipe() (r int, w int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
@@ -937,6 +954,23 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdents(fd int, buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_GETDENTS, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(buf) > 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
index ffd01073c..9823e18a1 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
@@ -389,6 +389,23 @@ func pipe() (r int, w int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
@@ -937,6 +954,23 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdents(fd int, buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_GETDENTS, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(buf) > 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
index 85a2907e5..dcb95473c 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1569,6 +1569,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Ftruncate(fd int, length int64) (err error) {
 	_, _, e1 := Syscall(SYS_FTRUNCATE64, uintptr(fd), uintptr(length), uintptr(length>>32))
 	if e1 != 0 {
@@ -1580,7 +1595,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID32, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1588,7 +1603,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID32, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1596,7 +1611,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID32, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1604,7 +1619,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID32, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
index 8e2be97d3..badf57ee0 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1566,6 +1566,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -1587,7 +1602,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1595,7 +1610,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1603,7 +1618,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1621,7 +1636,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
index 5ff0637fd..69765c3a1 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1728,8 +1728,23 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID32, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1737,7 +1752,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID32, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1745,7 +1760,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID32, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1753,7 +1768,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID32, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
index 40760110f..dc8e6422b 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1582,7 +1582,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1590,7 +1590,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1598,7 +1598,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1616,7 +1616,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
index 984e56173..59f50c8cd 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1540,7 +1540,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1548,7 +1548,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1556,7 +1556,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1564,7 +1564,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
@@ -2014,6 +2014,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Stat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
index f98194e24..38033805b 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1546,6 +1546,21 @@ func Fchown(fd int, uid int, gid int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -1567,7 +1582,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1575,7 +1590,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1583,7 +1598,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1601,7 +1616,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
index f30267019..fee2f8532 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1546,6 +1546,21 @@ func Fchown(fd int, uid int, gid int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -1567,7 +1582,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1575,7 +1590,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1583,7 +1598,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1601,7 +1616,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
index f18c5e4a7..4094d3d1c 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1540,7 +1540,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1548,7 +1548,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1556,7 +1556,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1564,7 +1564,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
@@ -2014,6 +2014,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Stat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
index bc268243c..d83bafb39 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1556,6 +1556,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -1577,7 +1592,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1585,7 +1600,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1593,7 +1608,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1611,7 +1626,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
index 8d874cbcd..460971c06 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1556,6 +1556,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -1577,7 +1592,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1585,7 +1600,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1593,7 +1608,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1611,7 +1626,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
index 169321273..b7ef121be 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1566,6 +1566,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -1587,7 +1602,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1595,7 +1610,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1603,7 +1618,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1621,7 +1636,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
index 04a1ace9d..62eadff1c 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
@@ -406,6 +406,23 @@ func getdents(fd int, buf []byte) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
index 079824a71..307f4e99e 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
@@ -406,6 +406,23 @@ func getdents(fd int, buf []byte) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
index 05f8b496a..61109313c 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
@@ -406,6 +406,23 @@ func getdents(fd int, buf []byte) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
index 3b55544df..003f820e6 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
@@ -404,6 +404,23 @@ func getdents(fd int, buf []byte) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
index cdaf4ef4c..ba0e8f329 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
@@ -404,6 +404,23 @@ func getdents(fd int, buf []byte) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
index 6c4dc8a9f..2ce02c7c4 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
@@ -404,6 +404,23 @@ func getdents(fd int, buf []byte) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ioctl(fd int, req uint, arg uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
index 1d4527649..f5d01b3a8 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
@@ -95,6 +95,7 @@ import (
 //go:cgo_import_dynamic libc_renameat renameat "libc.so"
 //go:cgo_import_dynamic libc_rmdir rmdir "libc.so"
 //go:cgo_import_dynamic libc_lseek lseek "libc.so"
+//go:cgo_import_dynamic libc_select select "libc.so"
 //go:cgo_import_dynamic libc_setegid setegid "libc.so"
 //go:cgo_import_dynamic libc_seteuid seteuid "libc.so"
 //go:cgo_import_dynamic libc_setgid setgid "libc.so"
@@ -220,6 +221,7 @@ import (
 //go:linkname procRenameat libc_renameat
 //go:linkname procRmdir libc_rmdir
 //go:linkname proclseek libc_lseek
+//go:linkname procSelect libc_select
 //go:linkname procSetegid libc_setegid
 //go:linkname procSeteuid libc_seteuid
 //go:linkname procSetgid libc_setgid
@@ -346,6 +348,7 @@ var (
 	procRenameat,
 	procRmdir,
 	proclseek,
+	procSelect,
 	procSetegid,
 	procSeteuid,
 	procSetgid,
@@ -1264,6 +1267,14 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	return
 }
 
+func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) {
+	_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procSelect)), 5, uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
 func Setegid(egid int) (err error) {
 	_, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procSetegid)), 1, uintptr(egid), 0, 0, 0, 0, 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_solaris_amd64.go b/vendor/golang.org/x/sys/unix/zsysnum_solaris_amd64.go
deleted file mode 100644
index c70865985..000000000
--- a/vendor/golang.org/x/sys/unix/zsysnum_solaris_amd64.go
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build amd64,solaris
-
-package unix
-
-// TODO(aram): remove these before Go 1.3.
-const (
-	SYS_EXECVE = 59
-	SYS_FCNTL  = 62
-)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go
index 4667c7b27..bc4bc89f8 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go
@@ -479,3 +479,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go
index 3f33b18fc..d8abcab12 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go
@@ -489,3 +489,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
index 463a28ba6..9749c9f7d 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
@@ -480,3 +480,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go
index 1ec20a002..810b0bd4f 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go
@@ -489,3 +489,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go
index 1ca0e3ee0..e3b8ebb01 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go
@@ -143,6 +143,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -472,3 +476,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [32]byte
+	Nodename [32]byte
+	Release  [32]byte
+	Version  [32]byte
+	Machine  [32]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_freebsd_386.go b/vendor/golang.org/x/sys/unix/ztypes_freebsd_386.go
index 18f781600..878a21ad6 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_freebsd_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_freebsd_386.go
@@ -140,6 +140,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 const (
 	FADV_NORMAL     = 0x0
 	FADV_RANDOM     = 0x1
@@ -539,3 +543,11 @@ const (
 type CapRights struct {
 	Rights [2]uint64
 }
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go
index dd0db2a5e..8408af125 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go
@@ -140,6 +140,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 const (
 	FADV_NORMAL     = 0x0
 	FADV_RANDOM     = 0x1
@@ -542,3 +546,11 @@ const (
 type CapRights struct {
 	Rights [2]uint64
 }
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_freebsd_arm.go b/vendor/golang.org/x/sys/unix/ztypes_freebsd_arm.go
index 473d3dcf0..4b2d9a483 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_freebsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_freebsd_arm.go
@@ -142,6 +142,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 const (
 	FADV_NORMAL     = 0x0
 	FADV_RANDOM     = 0x1
@@ -542,3 +546,11 @@ const (
 type CapRights struct {
 	Rights [2]uint64
 }
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_386.go b/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
index c6de94269..1bb1a5e77 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
@@ -644,6 +644,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -759,6 +760,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -791,3 +810,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint32
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x20
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
index 4ea42dfc2..081c60797 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
@@ -662,6 +662,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -777,6 +778,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -809,3 +828,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go b/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
index f86d68388..904510d40 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
@@ -633,6 +633,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -748,6 +749,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -780,3 +799,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint32
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x20
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
index 45c10b742..5da8cef72 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
@@ -641,6 +641,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -756,6 +757,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -788,3 +807,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
index 4cc0a1c91..2707c3661 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
@@ -638,6 +638,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -753,6 +754,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -785,3 +804,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint32
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x20
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
index d9df08789..23e9da62b 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
@@ -643,6 +643,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -758,6 +759,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -790,3 +809,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
index 15e6b4b4b..1090dc159 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
@@ -643,6 +643,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -758,6 +759,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -790,3 +809,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
index b6c2d32dd..dff3f1f9c 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
@@ -638,6 +638,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -753,6 +754,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -785,3 +804,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint32
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x20
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
index 3803e1062..86c747558 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
@@ -651,6 +651,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -766,6 +767,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -798,3 +817,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
index 7ef31fe21..1cc159ed9 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
@@ -651,6 +651,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -766,6 +767,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -798,3 +817,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go b/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
index cb194f471..2d27c0fc5 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
@@ -668,6 +668,7 @@ type EpollEvent struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_NO_AUTOMOUNT     = 0x800
 	AT_REMOVEDIR        = 0x200
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
@@ -783,6 +784,24 @@ const (
 	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = 0x4
 )
 
+type CGroupStats struct {
+	Sleeping        uint64
+	Running         uint64
+	Stopped         uint64
+	Uninterruptible uint64
+	Io_wait         uint64
+}
+
+const (
+	CGROUPSTATS_CMD_UNSPEC        = 0x3
+	CGROUPSTATS_CMD_GET           = 0x4
+	CGROUPSTATS_CMD_NEW           = 0x5
+	CGROUPSTATS_TYPE_UNSPEC       = 0x0
+	CGROUPSTATS_TYPE_CGROUP_STATS = 0x1
+	CGROUPSTATS_CMD_ATTR_UNSPEC   = 0x0
+	CGROUPSTATS_CMD_ATTR_FD       = 0x1
+)
+
 type Genlmsghdr struct {
 	Cmd      uint8
 	Version  uint8
@@ -815,3 +834,10 @@ const (
 	CTRL_ATTR_MCAST_GRP_NAME   = 0x1
 	CTRL_ATTR_MCAST_GRP_ID     = 0x2
 )
+
+type cpuMask uint64
+
+const (
+	_CPU_SETSIZE = 0x400
+	_NCPUBITS    = 0x40
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_netbsd_386.go b/vendor/golang.org/x/sys/unix/ztypes_netbsd_386.go
index e16c05a8a..da70faa82 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_netbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_netbsd_386.go
@@ -99,6 +99,10 @@ type Fsid struct {
 	X__fsid_val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -425,3 +429,11 @@ type Sysctlnode struct {
 	X_sysctl_parent [8]byte
 	X_sysctl_desc   [8]byte
 }
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_netbsd_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_netbsd_amd64.go
index 9c3743561..0963ab8c4 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_netbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_netbsd_amd64.go
@@ -103,6 +103,10 @@ type Fsid struct {
 	X__fsid_val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -432,3 +436,11 @@ type Sysctlnode struct {
 	X_sysctl_parent [8]byte
 	X_sysctl_desc   [8]byte
 }
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm.go b/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm.go
index 132942318..211f64193 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm.go
@@ -104,6 +104,10 @@ type Fsid struct {
 	X__fsid_val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -430,3 +434,11 @@ type Sysctlnode struct {
 	X_sysctl_parent [8]byte
 	X_sysctl_desc   [8]byte
 }
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_openbsd_386.go b/vendor/golang.org/x/sys/unix/ztypes_openbsd_386.go
index 2cf08bf49..d5a2d75da 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_openbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_openbsd_386.go
@@ -140,6 +140,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -470,3 +474,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_openbsd_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_openbsd_amd64.go
index 7cfc61f66..d53141085 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_openbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_openbsd_amd64.go
@@ -142,6 +142,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -477,3 +481,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go b/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go
index 842c59c5c..e35b13b6f 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go
@@ -140,6 +140,10 @@ type Fsid struct {
 	Val [2]int32
 }
 
+const (
+	PathMax = 0x400
+)
+
 type RawSockaddrInet4 struct {
 	Len    uint8
 	Family uint8
@@ -463,3 +467,11 @@ const (
 	POLLWRBAND = 0x100
 	POLLWRNORM = 0x4
 )
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
-- 
cgit v1.2.3-1-g7c22