ec78f1cebc
Will reland in two different commits to preserve git blame history. BUG=webrtc:7634 NOTRY=True TBR=kwiberg@webrtc.org Change-Id: I550da8525aeb9c5b8f96338fcf1c9714f3dcdab1 Reviewed-on: https://chromium-review.googlesource.com/554610 Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18820}
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// Borrowed from Chromium's src/base/threading/thread_checker_impl.cc.
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#include "webrtc/base/thread_checker_impl.h"
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#include "webrtc/base/platform_thread.h"
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namespace rtc {
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ThreadCheckerImpl::ThreadCheckerImpl() : valid_thread_(CurrentThreadRef()) {
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}
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ThreadCheckerImpl::~ThreadCheckerImpl() {
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}
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bool ThreadCheckerImpl::CalledOnValidThread() const {
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const PlatformThreadRef current_thread = CurrentThreadRef();
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CritScope scoped_lock(&lock_);
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if (!valid_thread_) // Set if previously detached.
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valid_thread_ = current_thread;
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return IsThreadRefEqual(valid_thread_, current_thread);
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}
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void ThreadCheckerImpl::DetachFromThread() {
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CritScope scoped_lock(&lock_);
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valid_thread_ = 0;
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}
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} // namespace rtc
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