49 lines
1.5 KiB
C++
49 lines
1.5 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.h.
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#ifndef RTC_BASE_THREAD_CHECKER_IMPL_H_
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#define RTC_BASE_THREAD_CHECKER_IMPL_H_
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#include "rtc_base/criticalsection.h"
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#include "rtc_base/platform_thread_types.h"
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namespace rtc {
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// Real implementation of ThreadChecker, for use in debug mode, or
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// for temporary use in release mode (e.g. to RTC_CHECK on a threading issue
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// seen only in the wild).
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//
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// Note: You should almost always use the ThreadChecker class to get the
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// right version for your build configuration.
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class ThreadCheckerImpl {
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public:
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ThreadCheckerImpl();
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~ThreadCheckerImpl();
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bool CalledOnValidThread() const;
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// Changes the thread that is checked for in CalledOnValidThread. This may
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// be useful when an object may be created on one thread and then used
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// exclusively on another thread.
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void DetachFromThread();
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private:
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CriticalSection lock_;
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// This is mutable so that CalledOnValidThread can set it.
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// It's guarded by |lock_|.
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mutable PlatformThreadRef valid_thread_;
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};
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} // namespace rtc
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#endif // RTC_BASE_THREAD_CHECKER_IMPL_H_
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