From 1e5c432e1029601a664454388ae366ef69618d62 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 25 Jun 2018 12:33:13 -0700
Subject: MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)

* Moving plugins to use hashicorp go-plugin.

* Tweaks from feedback.
---
 vendor/github.com/hashicorp/yamux/util.go | 43 +++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/yamux/util.go

(limited to 'vendor/github.com/hashicorp/yamux/util.go')

diff --git a/vendor/github.com/hashicorp/yamux/util.go b/vendor/github.com/hashicorp/yamux/util.go
new file mode 100644
index 000000000..8a73e9249
--- /dev/null
+++ b/vendor/github.com/hashicorp/yamux/util.go
@@ -0,0 +1,43 @@
+package yamux
+
+import (
+	"sync"
+	"time"
+)
+
+var (
+	timerPool = &sync.Pool{
+		New: func() interface{} {
+			timer := time.NewTimer(time.Hour * 1e6)
+			timer.Stop()
+			return timer
+		},
+	}
+)
+
+// asyncSendErr is used to try an async send of an error
+func asyncSendErr(ch chan error, err error) {
+	if ch == nil {
+		return
+	}
+	select {
+	case ch <- err:
+	default:
+	}
+}
+
+// asyncNotify is used to signal a waiting goroutine
+func asyncNotify(ch chan struct{}) {
+	select {
+	case ch <- struct{}{}:
+	default:
+	}
+}
+
+// min computes the minimum of two values
+func min(a, b uint32) uint32 {
+	if a < b {
+		return a
+	}
+	return b
+}
-- 
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