| // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file is used for debugging assertion support. The Lock class |
| // is functionally a wrapper around the LockImpl class, so the only |
| // real intelligence in the class is in the debugging logic. |
| |
| #if !defined(NDEBUG) |
| |
| #include "base/lock.h" |
| #include "base/logging.h" |
| |
| Lock::Lock() : lock_() { |
| owned_by_thread_ = false; |
| owning_thread_id_ = static_cast<PlatformThreadId>(0); |
| } |
| |
| void Lock::AssertAcquired() const { |
| DCHECK(owned_by_thread_); |
| DCHECK_EQ(owning_thread_id_, PlatformThread::CurrentId()); |
| } |
| |
| void Lock::CheckHeldAndUnmark() { |
| DCHECK(owned_by_thread_); |
| DCHECK_EQ(owning_thread_id_, PlatformThread::CurrentId()); |
| owned_by_thread_ = false; |
| owning_thread_id_ = static_cast<PlatformThreadId>(0); |
| } |
| |
| void Lock::CheckUnheldAndMark() { |
| DCHECK(!owned_by_thread_); |
| owned_by_thread_ = true; |
| owning_thread_id_ = PlatformThread::CurrentId(); |
| } |
| |
| #endif // NDEBUG |