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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* OS/2-specific semaphore handling code.
*
*/
#include "primpl.h"
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);
}
void
_PR_MD_DESTROY_SEM(_MDSemaphore *md)
{
int rv;
rv = DosCloseEventSem(md->sem);
PR_ASSERT(rv == NO_ERROR);
}
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;
}
}
PRStatus
_PR_MD_WAIT_SEM(_MDSemaphore *md)
{
return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT);
}
void
_PR_MD_POST_SEM(_MDSemaphore *md)
{
int rv;
rv = DosPostEventSem(md->sem);
PR_ASSERT(rv == NO_ERROR);
}
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