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42 lines
975 B
42 lines
975 B
// Copyright 2018 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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#ifndef BASE_TASK_SEQUENCE_MANAGER_MOVEABLE_AUTO_LOCK_H_
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#define BASE_TASK_SEQUENCE_MANAGER_MOVEABLE_AUTO_LOCK_H_
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#include "base/synchronization/lock.h"
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namespace base {
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namespace sequence_manager {
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class MoveableAutoLock {
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public:
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explicit MoveableAutoLock(Lock& lock) : lock_(lock), moved_(false) {
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lock_.Acquire();
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}
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MoveableAutoLock(MoveableAutoLock&& other) noexcept
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: lock_(other.lock_), moved_(other.moved_) {
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lock_.AssertAcquired();
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other.moved_ = true;
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}
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~MoveableAutoLock() {
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if (moved_)
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return;
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lock_.AssertAcquired();
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lock_.Release();
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}
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private:
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Lock& lock_;
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bool moved_;
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DISALLOW_COPY_AND_ASSIGN(MoveableAutoLock);
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};
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} // namespace sequence_manager
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} // namespace base
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#endif // BASE_TASK_SEQUENCE_MANAGER_MOVEABLE_AUTO_LOCK_H_
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