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