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65 lines
1.0 KiB
C++
65 lines
1.0 KiB
C++
//
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// ScopedUnlock.h
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//
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// Library: Foundation
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// Package: Threading
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// Module: Mutex
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//
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// Definition of the ScopedUnlock template class.
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//
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// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_ScopedUnlock_INCLUDED
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#define Foundation_ScopedUnlock_INCLUDED
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#include "Poco/Foundation.h"
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namespace Poco {
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template <class M>
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class ScopedUnlock
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/// A class that simplifies thread synchronization
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/// with a mutex.
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/// The constructor accepts a Mutex and unlocks it.
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/// The destructor locks the mutex.
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{
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public:
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inline ScopedUnlock(M& mutex, bool unlockNow = true): _mutex(mutex)
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{
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if (unlockNow)
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_mutex.unlock();
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}
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inline ~ScopedUnlock()
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{
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try
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{
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_mutex.lock();
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}
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catch (...)
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{
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poco_unexpected();
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}
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}
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private:
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M& _mutex;
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ScopedUnlock();
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ScopedUnlock(const ScopedUnlock&);
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ScopedUnlock& operator = (const ScopedUnlock&);
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};
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} // namespace Poco
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#endif // Foundation_ScopedUnlock_INCLUDED
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