forked from Mirrorlandia_minetest/minetest
84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/*
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This file is a part of the JThread package, which contains some object-
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oriented thread wrappers for different thread implementations.
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Copyright (c) 2000-2006 Jori Liesenborgs (jori.liesenborgs@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include "jthread/jmutex.h"
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JMutex::JMutex()
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{
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initialized = false;
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}
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JMutex::~JMutex()
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{
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if (initialized)
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#ifdef JMUTEX_CRITICALSECTION
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DeleteCriticalSection(&mutex);
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#else
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CloseHandle(mutex);
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#endif // JMUTEX_CRITICALSECTION
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}
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int JMutex::Init()
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{
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if (initialized)
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return ERR_JMUTEX_ALREADYINIT;
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#ifdef JMUTEX_CRITICALSECTION
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InitializeCriticalSection(&mutex);
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#else
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mutex = CreateMutex(NULL,FALSE,NULL);
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if (mutex == NULL)
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return ERR_JMUTEX_CANTCREATEMUTEX;
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#endif // JMUTEX_CRITICALSECTION
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initialized = true;
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return 0;
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}
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int JMutex::Lock()
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{
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if (!initialized)
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return ERR_JMUTEX_NOTINIT;
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#ifdef JMUTEX_CRITICALSECTION
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EnterCriticalSection(&mutex);
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#else
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WaitForSingleObject(mutex,INFINITE);
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#endif // JMUTEX_CRITICALSECTION
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return 0;
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}
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int JMutex::Unlock()
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{
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if (!initialized)
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return ERR_JMUTEX_NOTINIT;
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#ifdef JMUTEX_CRITICALSECTION
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LeaveCriticalSection(&mutex);
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#else
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ReleaseMutex(mutex);
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#endif // JMUTEX_CRITICALSECTION
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return 0;
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}
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