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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go61
1 files changed, 61 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go b/vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go
new file mode 100644
index 000000000..588e9b943
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go
@@ -0,0 +1,61 @@
+// 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 darwin freebsd linux
+
+package ipv4
+
+import (
+ "net"
+ "os"
+ "unsafe"
+
+ "golang.org/x/net/internal/iana"
+)
+
+var freebsd32o64 bool
+
+func setsockoptGroupReq(s uintptr, name int, ifi *net.Interface, grp net.IP) error {
+ var gr sysGroupReq
+ if ifi != nil {
+ gr.Interface = uint32(ifi.Index)
+ }
+ gr.setGroup(grp)
+ var p unsafe.Pointer
+ var l uint32
+ if freebsd32o64 {
+ var d [sysSizeofGroupReq + 4]byte
+ s := (*[sysSizeofGroupReq]byte)(unsafe.Pointer(&gr))
+ copy(d[:4], s[:4])
+ copy(d[8:], s[4:])
+ p = unsafe.Pointer(&d[0])
+ l = sysSizeofGroupReq + 4
+ } else {
+ p = unsafe.Pointer(&gr)
+ l = sysSizeofGroupReq
+ }
+ return os.NewSyscallError("setsockopt", setsockopt(s, iana.ProtocolIP, name, p, l))
+}
+
+func setsockoptGroupSourceReq(s uintptr, name int, ifi *net.Interface, grp, src net.IP) error {
+ var gsr sysGroupSourceReq
+ if ifi != nil {
+ gsr.Interface = uint32(ifi.Index)
+ }
+ gsr.setSourceGroup(grp, src)
+ var p unsafe.Pointer
+ var l uint32
+ if freebsd32o64 {
+ var d [sysSizeofGroupSourceReq + 4]byte
+ s := (*[sysSizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))
+ copy(d[:4], s[:4])
+ copy(d[8:], s[4:])
+ p = unsafe.Pointer(&d[0])
+ l = sysSizeofGroupSourceReq + 4
+ } else {
+ p = unsafe.Pointer(&gsr)
+ l = sysSizeofGroupSourceReq
+ }
+ return os.NewSyscallError("setsockopt", setsockopt(s, iana.ProtocolIP, name, p, l))
+}