webrtc_m130/webrtc/rtc_base/thread_checker_impl.cc
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

39 lines
1.1 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.cc.
#include "webrtc/base/thread_checker_impl.h"
#include "webrtc/base/platform_thread.h"
namespace rtc {
ThreadCheckerImpl::ThreadCheckerImpl() : valid_thread_(CurrentThreadRef()) {
}
ThreadCheckerImpl::~ThreadCheckerImpl() {
}
bool ThreadCheckerImpl::CalledOnValidThread() const {
const PlatformThreadRef current_thread = CurrentThreadRef();
CritScope scoped_lock(&lock_);
if (!valid_thread_) // Set if previously detached.
valid_thread_ = current_thread;
return IsThreadRefEqual(valid_thread_, current_thread);
}
void ThreadCheckerImpl::DetachFromThread() {
CritScope scoped_lock(&lock_);
valid_thread_ = 0;
}
} // namespace rtc