Update goprocess godep

License: MIT
Signed-off-by: rht <rhtbot@gmail.com>

Godeps/Godeps.json

@@ -197,7 +197,7 @@
 		},
 		{
 			"ImportPath": "github.com/jbenet/goprocess",
-			"Rev": "67fe91f1081e806f1bb51051c972ac782ea46d85"
+			"Rev": "a6650d0b69f2aa0fe7c9685baf0b4d7ecc8766bf"
 		},
 		{
 			"ImportPath": "github.com/kardianos/osext",

Godeps/_workspace/src/github.com/jbenet/goprocess/context/context.go

@@ -10,19 +10,23 @@ import (
 //
 //   func ProcessWithContext(ctx context.Context) goprocess.Process {
 //     p := goprocess.WithParent(goprocess.Background())
-//     go func() {
-//       <-ctx.Done()
-//       p.Close()
-//     }()
+//     CloseAfterContext(p, ctx)
 //     return p
 //   }
 //
 func WithContext(ctx context.Context) goprocess.Process {
+	p := goprocess.WithParent(goprocess.Background())
+	CloseAfterContext(p, ctx)
+	return p
+}
+
+// WithContextAndTeardown is a helper function to set teardown at initiation
+// of WithContext
+func WithContextAndTeardown(ctx context.Context, tf goprocess.TeardownFunc) goprocess.Process {
 	if ctx == nil {
 		panic("nil Context")
 	}
-
-	p := goprocess.WithParent(goprocess.Background())
+	p := goprocess.WithTeardown(tf)
 	go func() {
 		<-ctx.Done()
 		p.Close()
@@ -39,6 +43,30 @@ func WaitForContext(ctx context.Context, p goprocess.Process) {
 	p.WaitFor(WithContext(ctx))
 }
 
+// CloseAfterContext schedules the process to close after the given
+// context is done. It is the equivalent of:
+//
+//   func CloseAfterContext(p goprocess.Process, ctx context.Context) {
+//     go func() {
+//       <-ctx.Done()
+//       p.Close()
+//     }()
+//   }
+//
+func CloseAfterContext(p goprocess.Process, ctx context.Context) {
+	if p == nil {
+		panic("nil Process")
+	}
+	if ctx == nil {
+		panic("nil Context")
+	}
+
+	go func() {
+		<-ctx.Done()
+		p.Close()
+	}()
+}
+
 // WithProcessClosing returns a context.Context derived from ctx that
 // is cancelled as p is Closing (after: <-p.Closing()). It is simply:
 //

Godeps/_workspace/src/github.com/jbenet/goprocess/impl-mutex.go

@@ -119,8 +119,16 @@ func (p *process) SetTeardown(tf TeardownFunc) {
 	if tf == nil {
 		tf = nilTeardownFunc
 	}
+
 	p.Lock()
-	p.teardown = tf
+	if p.teardown == nil {
+		select {
+		case <-p.Closed():
+			p.teardown = tf
+			p.closeErr = tf()
+		default:
+		}
+	}
 	p.Unlock()
 }