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// Copyright (c) 2011 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) || defined(DCHECK_ALWAYS_ON)
#include "base/synchronization/lock.h"
#include "base/logging.h"
namespace base {
Lock::Lock() : lock_() {
}
Lock::~Lock() {
DCHECK(owning_thread_ref_.is_null());
}
void Lock::AssertAcquired() const {
DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef());
}
void Lock::CheckHeldAndUnmark() {
DCHECK(owning_thread_ref_ == PlatformThread::CurrentRef());
owning_thread_ref_ = PlatformThreadRef();
}
void Lock::CheckUnheldAndMark() {
DCHECK(owning_thread_ref_.is_null());
owning_thread_ref_ = PlatformThread::CurrentRef();
}
} // namespace base
#endif // !NDEBUG || DCHECK_ALWAYS_ON
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