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https://github.com/VCMP-SqMod/SqMod.git
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86 lines
1.2 KiB
C++
86 lines
1.2 KiB
C++
//
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// Mutex_WIN32.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 MutexImpl and FastMutexImpl classes for WIN32.
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//
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// Copyright (c) 2004-2008, 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_Mutex_WIN32_INCLUDED
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#define Foundation_Mutex_WIN32_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Exception.h"
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#include "Poco/UnWindows.h"
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namespace Poco {
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class Foundation_API MutexImpl
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{
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protected:
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MutexImpl();
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~MutexImpl();
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void lockImpl();
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bool tryLockImpl();
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bool tryLockImpl(long milliseconds);
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void unlockImpl();
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private:
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CRITICAL_SECTION _cs;
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};
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typedef MutexImpl FastMutexImpl;
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//
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// inlines
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//
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inline void MutexImpl::lockImpl()
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{
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try
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{
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EnterCriticalSection(&_cs);
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}
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catch (...)
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{
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throw SystemException("cannot lock mutex");
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}
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}
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inline bool MutexImpl::tryLockImpl()
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{
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try
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{
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return TryEnterCriticalSection(&_cs) != 0;
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}
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catch (...)
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{
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}
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throw SystemException("cannot lock mutex");
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}
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inline void MutexImpl::unlockImpl()
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{
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LeaveCriticalSection(&_cs);
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}
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} // namespace Poco
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#endif // Foundation_Mutex_WIN32_INCLUDED
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