blob: dedcc821ab30b7a95561b017b2f9867f9bd45bb8 [file] [log] [blame]
// 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