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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* 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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