Update go-runc to f36917a18b3d962aee066063cba0bcff44e338ca

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

vendor/github.com/crosbymichael/go-runc/io.go

@@ -15,6 +15,10 @@ type IO interface {
 	Set(*exec.Cmd)
 }
 
+type StartCloser interface {
+	CloseAfterStart() error
+}
+
 // NewPipeIO creates pipe pairs to be used with runc
 func NewPipeIO(uid, gid int) (i IO, err error) {
 	var pipes []*pipe
@@ -92,11 +96,11 @@ func (i *pipeIO) Stdin() io.WriteCloser {
 }
 
 func (i *pipeIO) Stdout() io.ReadCloser {
-	return i.in.r
+	return i.out.r
 }
 
 func (i *pipeIO) Stderr() io.ReadCloser {
-	return i.in.r
+	return i.err.r
 }
 
 func (i *pipeIO) Close() error {
@@ -113,9 +117,48 @@ func (i *pipeIO) Close() error {
 	return err
 }
 
+func (i *pipeIO) CloseAfterStart() error {
+	for _, f := range []*os.File{
+		i.out.w,
+		i.err.w,
+	} {
+		f.Close()
+	}
+	return nil
+}
+
 // Set sets the io to the exec.Cmd
 func (i *pipeIO) Set(cmd *exec.Cmd) {
 	cmd.Stdin = i.in.r
 	cmd.Stdout = i.out.w
 	cmd.Stderr = i.err.w
 }
+
+func NewSTDIO() (IO, error) {
+	return &stdio{}, nil
+}
+
+type stdio struct {
+}
+
+func (s *stdio) Close() error {
+	return nil
+}
+
+func (s *stdio) Set(cmd *exec.Cmd) {
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+}
+
+func (s *stdio) Stdin() io.WriteCloser {
+	return os.Stdin
+}
+
+func (s *stdio) Stdout() io.ReadCloser {
+	return os.Stdout
+}
+
+func (s *stdio) Stderr() io.ReadCloser {
+	return os.Stderr
+}