04cd466bd5
To do this, I'm removing ThreadChecker's dependency on the 'Thread' class, so that the checker works with any thread and doesn't rely on TLS. Also simplifying CriticalSection's implementation on Windows since a critical section on Windows already knows what thread currently owns the lock. BUG= R=mflodman@webrtc.org Review URL: https://webrtc-codereview.appspot.com/40539004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@8151 4adac7df-926f-26a2-2b94-8c16560cd09d
60 lines
1.7 KiB
C++
60 lines
1.7 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 WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
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#define WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
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#if defined(WEBRTC_POSIX)
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#include <pthread.h>
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#include <unistd.h>
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#endif
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#include "webrtc/base/criticalsection.h"
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namespace rtc {
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// Used for identifying the current thread. Always an integer value.
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#if defined(WEBRTC_WIN)
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typedef DWORD PlatformThreadId;
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#elif defined(WEBRTC_POSIX)
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typedef pid_t PlatformThreadId;
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#endif
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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 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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mutable 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 PlatformThreadId valid_thread_;
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
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