*_nix.v support

vlib/sync/sync_nix.v

@@ -0,0 +1,19 @@
+// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module sync
+
+#include <pthread.h>
+struct Mutex {
+	mutex C.pthread_mutex_t
+}
+
+pub fn (m Mutex) lock() {
+	C.pthread_mutex_lock(&m.mutex)
+}
+
+pub fn (m Mutex) unlock() {
+	C.pthread_mutex_unlock(&m.mutex)
+}
+