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/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// Borrowed from Chromium's src/base/threading/thread_checker_impl.h.
#ifndef WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
#define WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/platform_thread.h"
namespace rtc {
// Real implementation of ThreadChecker, for use in debug mode, or
// for temporary use in release mode (e.g. to RTC_CHECK on a threading issue
// seen only in the wild).
//
// Note: You should almost always use the ThreadChecker class to get the
// right version for your build configuration.
class ThreadCheckerImpl {
public:
ThreadCheckerImpl();
~ThreadCheckerImpl();
bool CalledOnValidThread() const;
// Changes the thread that is checked for in CalledOnValidThread. This may
// be useful when an object may be created on one thread and then used
// exclusively on another thread.
void DetachFromThread();
private:
mutable CriticalSection lock_;
// This is mutable so that CalledOnValidThread can set it.
// It's guarded by |lock_|.
mutable PlatformThreadRef valid_thread_;
};
} // namespace rtc
#endif // WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
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