Repo created

TMessagesProj/jni/voip/webrtc/base/barrier_closure.h

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+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_BARRIER_CLOSURE_H_
+#define BASE_BARRIER_CLOSURE_H_
+
+#include "base/base_export.h"
+#include "base/callback.h"
+
+namespace base {
+
+// BarrierClosure executes |done_closure| after it has been invoked
+// |num_closures| times.
+//
+// If |num_closures| is 0, |done_closure| is executed immediately.
+//
+// BarrierClosure is thread-safe - the count of remaining closures is
+// maintained as a base::AtomicRefCount. |done_closure| will be run on
+// the thread that calls the final Run() on the returned closures.
+//
+// |done_closure| is also cleared on the final calling thread.
+BASE_EXPORT RepeatingClosure BarrierClosure(int num_closures,
+                                            OnceClosure done_closure);
+
+}  // namespace base
+
+#endif  // BASE_BARRIER_CLOSURE_H_