52 lines
962 B
C++
52 lines
962 B
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef threading_LockGuard_h
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#define threading_LockGuard_h
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namespace js {
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template <typename Mutex> class MOZ_RAII UnlockGuard;
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template <typename Mutex>
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class MOZ_RAII LockGuard
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{
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friend class UnlockGuard<Mutex>;
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friend class ConditionVariable;
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Mutex& lock;
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public:
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explicit LockGuard(Mutex& aLock)
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: lock(aLock)
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{
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lock.lock();
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}
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~LockGuard() {
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lock.unlock();
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}
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};
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template <typename Mutex>
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class MOZ_RAII UnlockGuard
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{
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Mutex& lock;
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public:
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explicit UnlockGuard(LockGuard<Mutex>& aGuard)
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: lock(aGuard.lock)
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{
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lock.unlock();
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}
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~UnlockGuard() {
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lock.lock();
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}
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};
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} // namespace js
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#endif // threading_LockGuard_h
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