71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
// Copyright (c) 2011 Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Do not include this header file directly. Use base/cef_thread_checker.h
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// instead.
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#ifndef CEF_INCLUDE_BASE_INTERNAL_THREAD_CHECKER_IMPL_H_
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#define CEF_INCLUDE_BASE_INTERNAL_THREAD_CHECKER_IMPL_H_
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#include "include/base/cef_lock.h"
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#include "include/base/cef_platform_thread.h"
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namespace base {
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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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void EnsureThreadIdAssigned() const;
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mutable base::Lock 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_id_;
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};
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} // namespace base
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#endif // CEF_INCLUDE_BASE_INTERNAL_THREAD_CHECKER_IMPL_H_
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