44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_THREADING_THREAD_CHECKER_IMPL_H_
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#define BASE_THREADING_THREAD_CHECKER_IMPL_H_
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#include "base/base_export.h"
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#include "base/synchronization/lock.h"
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#include "base/threading/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 BASE_EXPORT 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 PlatformThreadId valid_thread_id_;
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};
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} // namespace base
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#endif // BASE_THREADING_THREAD_CHECKER_IMPL_H_
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