Windows: add support for CloseWrite() to npipe transport

This relies on changes to go-winio to support CloseWrite() when the pipe
is in message mode. This fixes an issue where stdin is not properly closed
when there is no more input to docker run.

Signed-off-by: John Starks <jostarks@microsoft.com>

docker/listeners/listeners_windows.go

@@ -32,7 +32,13 @@ func Init(proto, addr, socketGroup string, tlsConfig *tls.Config) (ls []net.List
 				sddl += fmt.Sprintf("(A;;GRGW;;;%s)", sid)
 			}
 		}
-		l, err := winio.ListenPipe(addr, sddl)
+		c := winio.PipeConfig{
+			SecurityDescriptor: sddl,
+			MessageMode:        true,  // Use message mode so that CloseWrite() is supported
+			InputBufferSize:    65536, // Use 64KB buffers to improve performance
+			OutputBufferSize:   65536,
+		}
+		l, err := winio.ListenPipe(addr, &c)
 		if err != nil {
 			return nil, err
 		}