| 12345678910111213141516171819202122232425262728 | // 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_
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