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46 lines
1.3 KiB
C++
46 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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// This file is used for debugging assertion support. The Lock class
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// is functionally a wrapper around the LockImpl class, so the only
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// real intelligence in the class is in the debugging logic.
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#include "include/base/cef_lock.h"
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#include "include/base/cef_logging.h"
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#if DCHECK_IS_ON()
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namespace base {
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namespace cef_internal {
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Lock::Lock() : lock_() {}
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Lock::~Lock() {
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DCHECK(owning_thread_ref_.is_null());
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}
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void Lock::AssertAcquired() const {
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DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef());
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}
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void Lock::CheckHeldAndUnmark() {
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DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef());
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owning_thread_ref_ = PlatformThreadRef();
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}
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void Lock::CheckUnheldAndMark() {
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// Hitting this DCHECK means that your code is trying to re-enter a lock that
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// is already held. The Chromium Lock implementation is not reentrant.
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// See "Why can the holder of a Lock not reacquire it?" at
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// http://www.chromium.org/developers/lock-and-condition-variable for more
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// information.
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DCHECK(owning_thread_ref_.is_null());
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owning_thread_ref_ = PlatformThread::CurrentRef();
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}
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} // namespace cef_internal
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} // namespace base
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#endif // DCHECK_IS_ON()
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