blob: 293b1ac297b20329a1e35e44ccb4b645813e8177 [file] [log] [blame]
/*
* Copyright (c) 2016 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.
*/
#ifndef RTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
#define RTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
#include "rtc_base/criticalsection.h"
#include "rtc_base/thread_checker.h"
namespace rtc {
class TaskQueue;
// Real implementation of SequencedTaskChecker, for use in debug mode, or
// for temporary use in release mode.
//
// Note: You should almost always use the SequencedTaskChecker class to get the
// right version for your build configuration.
class SequencedTaskCheckerImpl {
public:
SequencedTaskCheckerImpl();
~SequencedTaskCheckerImpl();
bool CalledSequentially() const;
// Changes the task queue or thread that is checked for in IsCurrent. This
// may be useful when an object may be created on one task queue / thread and
// then used exclusively on another thread.
void Detach();
private:
friend class internal::AnnounceOnThread;
bool IsCurrent() const { return CalledSequentially(); }
typedef const void* QueueId;
CriticalSection lock_;
ThreadChecker thread_checker_;
mutable bool attached_;
mutable QueueId valid_queue_;
};
} // namespace rtc
#endif // RTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_