mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
122 lines
2.0 KiB
C++
122 lines
2.0 KiB
C++
//
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// ScopedLock.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 ScopedLock template class.
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//
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// Copyright (c) 2004-2006, 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_ScopedLock_INCLUDED
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#define Foundation_ScopedLock_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 ScopedLock
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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 optionally
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/// a timeout value in milliseconds) and locks it.
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/// The destructor unlocks the mutex.
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{
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public:
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explicit ScopedLock(M& mutex): _mutex(mutex)
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{
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_mutex.lock();
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}
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ScopedLock(M& mutex, long milliseconds): _mutex(mutex)
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{
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_mutex.lock(milliseconds);
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}
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~ScopedLock()
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{
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try
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{
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_mutex.unlock();
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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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ScopedLock();
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ScopedLock(const ScopedLock&);
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ScopedLock& operator = (const ScopedLock&);
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};
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template <class M>
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class ScopedLockWithUnlock
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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 optionally
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/// a timeout value in milliseconds) and locks it.
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/// The destructor unlocks the mutex.
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/// The unlock() member function allows for manual
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/// unlocking of the mutex.
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{
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public:
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explicit ScopedLockWithUnlock(M& mutex): _pMutex(&mutex)
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{
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_pMutex->lock();
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}
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ScopedLockWithUnlock(M& mutex, long milliseconds): _pMutex(&mutex)
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{
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_pMutex->lock(milliseconds);
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}
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~ScopedLockWithUnlock()
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{
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try
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{
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unlock();
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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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void unlock()
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{
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if (_pMutex)
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{
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_pMutex->unlock();
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_pMutex = 0;
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}
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}
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private:
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M* _pMutex;
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ScopedLockWithUnlock();
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ScopedLockWithUnlock(const ScopedLockWithUnlock&);
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ScopedLockWithUnlock& operator = (const ScopedLockWithUnlock&);
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};
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} // namespace Poco
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#endif // Foundation_ScopedLock_INCLUDED
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