| // Copyright 2006-2008 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. |
| |
| #include "base/base_wrapper.h" |
| #include "base/synchronization/lock.h" |
| |
| #include "base/logging.h" |
| |
| #ifndef NDEBUG |
| |
| namespace base { |
| |
| namespace { |
| |
| ThreadRefType GetCurrentThreadRef() { |
| #if defined(OS_WIN) |
| return GetCurrentThreadId(); |
| #elif defined(OS_POSIX) |
| return pthread_self(); |
| #endif |
| } |
| |
| } // namespace |
| |
| Lock::Lock() : owning_thread_(), lock_() { |
| } |
| |
| Lock::~Lock() { |
| DCHECK_EQ(owning_thread_, ThreadRefType()); |
| } |
| |
| void Lock::AssertAcquired() const { |
| DCHECK_EQ(owning_thread_, GetCurrentThreadRef()); |
| } |
| |
| void Lock::CheckHeldAndUnmark() { |
| DCHECK_EQ(owning_thread_, GetCurrentThreadRef()); |
| owning_thread_ = ThreadRefType(); |
| } |
| |
| void Lock::CheckUnheldAndMark() { |
| DCHECK_EQ(owning_thread_, ThreadRefType()); |
| owning_thread_ = GetCurrentThreadRef(); |
| } |
| |
| } // namespace base |
| |
| #endif |