15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/cancellation_flag.h"
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h"
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base {
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CancellationFlag::Set() {
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(NDEBUG)
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  DCHECK_EQ(set_on_, PlatformThread::CurrentId());
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  base::subtle::Release_Store(&flag_, 1);
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CancellationFlag::IsSet() const {
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return base::subtle::Acquire_Load(&flag_) != 0;
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace base
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