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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 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 Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
/*
* NT-specific semaphore handling code.
*
*/
#include "primpl.h"
void
_PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value)
{
md->sem = CreateSemaphore(NULL, value, 0x7fffffff, NULL);
}
void
_PR_MD_DESTROY_SEM(_MDSemaphore *md)
{
CloseHandle(md->sem);
}
PRStatus
_PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks)
{
int rv;
rv = WaitForSingleObject(md->sem, PR_IntervalToMilliseconds(ticks));
if (rv == WAIT_OBJECT_0)
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 old_count;
ReleaseSemaphore(md->sem, 1, &old_count);
}
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