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