1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// This file is used for debugging assertion support. The Lock class 6// is functionally a wrapper around the LockImpl class, so the only 7// real intelligence in the class is in the debugging logic. 8 9#include "base/synchronization/lock.h" 10 11#if DCHECK_IS_ON() 12 13namespace base { 14 15Lock::Lock() : lock_() { 16} 17 18Lock::~Lock() { 19 DCHECK(owning_thread_ref_.is_null()); 20} 21 22void Lock::AssertAcquired() const { 23 DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef()); 24} 25 26void Lock::CheckHeldAndUnmark() { 27 DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef()); 28 owning_thread_ref_ = PlatformThreadRef(); 29} 30 31void Lock::CheckUnheldAndMark() { 32 DCHECK(owning_thread_ref_.is_null()); 33 owning_thread_ref_ = PlatformThread::CurrentRef(); 34} 35 36} // namespace base 37 38#endif // DCHECK_IS_ON() 39