webrtc_m130/webrtc/rtc_base/thread_checker_impl.h
Henrik Kjellander c03627683f Reland "Move webrtc/{base => rtc_base}" (https://codereview.webrtc.org/2877023002)
Reland the base->rtc_base without adding stub headers (will be
done in follow-up CL). This preserves git blame history of all files.

BUG=webrtc:7634
NOTRY=True
TBR=kwiberg@webrtc.org

Change-Id: Iea3bb6f3f67b8374c96337b63e8f5aa3e6181012
Reviewed-on: https://chromium-review.googlesource.com/554611
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#18821}
2017-06-29 06:04:25 +00:00

49 lines
1.5 KiB
C++

/*
* 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_RTC_BASE_THREAD_CHECKER_IMPL_H_
#define WEBRTC_RTC_BASE_THREAD_CHECKER_IMPL_H_
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/platform_thread_types.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:
CriticalSection lock_;
// This is mutable so that CalledOnValidThread can set it.
// It's guarded by |lock_|.
mutable PlatformThreadRef valid_thread_;
};
} // namespace rtc
#endif // WEBRTC_RTC_BASE_THREAD_CHECKER_IMPL_H_