[r8591]: sandbox / mark / trunk.no.wait.on.single.object / common / platform / windows / SysSemaphore.cpp Maximize Restore History

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SysSemaphore.cpp    120 lines (108 with data), 5.0 kB

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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.ibm.com/developerworks/oss/CPLv1.0.htm */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
/*****************************************************************************/
/* REXX Windows Support */
/* */
/* Semaphore support for Windows */
/* */
/*****************************************************************************/
#include "SysSemaphore.hpp"
/**
* Create a semaphore with potential creation-time
* initialization.
*
* @param create Indicates whether the semaphore should be created now.
*/
SysSemaphore::SysSemaphore(bool createSem)
{
sem = 0;
if (createSem)
{
create();
}
}
/* ********************************************************************** */
/* *** SysSemaphore *** */
/* ********************************************************************** */
void SysSemaphore::create()
{
if (sem == 0 )
{
sem = CreateEvent(NULL, true, true, NULL);
}
}
void SysSemaphore::close()
{
if (sem != 0)
{
CloseHandle(sem);
sem = 0;
}
}
/* ********************************************************************** */
/* *** SysMutex *** */
/* ********************************************************************** */
/**
* Create a semaphore with potential creation-time
* initialization.
*
* @param create Indicates whether the semaphore should be created now.
*/
SysMutex::SysMutex(bool createSem)
{
mutexMutex = 0;
if (createSem)
{
create();
}
}
void SysMutex::create()
{
if (mutexMutex == 0)
{
mutexMutex = CreateMutex(NULL, false, NULL);
}
}
void SysMutex::close()
{
if (mutexMutex != 0)
{
CloseHandle(mutexMutex);
mutexMutex = 0;
}
}