15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This file is used for debugging assertion support. The Lock class 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// is functionally a wrapper around the LockImpl class, so the only 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// real intelligence in the class is in the debugging logic. 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/lock.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Lock::Lock() : lock_() { 17c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 18c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 19c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)Lock::~Lock() { 20cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(owning_thread_ref_.is_null()); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Lock::AssertAcquired() const { 24cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef()); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Lock::CheckHeldAndUnmark() { 28cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef()); 29cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) owning_thread_ref_ = PlatformThreadRef(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Lock::CheckUnheldAndMark() { 33cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(owning_thread_ref_.is_null()); 34cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) owning_thread_ref_ = PlatformThread::CurrentRef(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#endif // !NDEBUG || DCHECK_ALWAYS_ON 40