Initial windows runtime work

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

sys/socket_windows.go

@@ -0,0 +1,16 @@
+// +build windows
+
+package sys
+
+import (
+	"net"
+
+	"github.com/Microsoft/go-winio"
+)
+
+// GetLocalListener returns a Listernet out of a named pipe.
+// `path` must be of the form of `\\.\pipe\<pipename>`
+// (see https://msdn.microsoft.com/en-us/library/windows/desktop/aa365150)
+func GetLocalListener(path string, uid, gid int) (net.Listener, error) {
+	return winio.ListenPipe(path, nil)
+}