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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
* OS/2-specific semaphore handling code.
*
*/
#include "primpl.h"
PR_IMPLEMENT(void)
_PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value)
{
int rv;
/* Our Sems don't support a value > 1 */
PR_ASSERT(value <= 1);
rv = DosCreateEventSem(NULL, &md->sem, 0, 0);
PR_ASSERT(rv == NO_ERROR);
}
PR_IMPLEMENT(void)
_PR_MD_DESTROY_SEM(_MDSemaphore *md)
{
int rv;
rv = DosCloseEventSem(md->sem);
PR_ASSERT(rv == NO_ERROR);
}
PR_IMPLEMENT(PRStatus)
_PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks)
{
int rv;
rv = DosWaitEventSem(md->sem, PR_IntervalToMilliseconds(ticks));
if (rv == NO_ERROR)
return PR_SUCCESS;
else
return PR_FAILURE;
}
PR_IMPLEMENT(PRStatus)
_PR_MD_WAIT_SEM(_MDSemaphore *md)
{
return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT);
}
PR_IMPLEMENT(void)
_PR_MD_POST_SEM(_MDSemaphore *md)
{
int rv;
rv = DosPostEventSem(md->sem);
PR_ASSERT(rv == NO_ERROR);
}
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