andre@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
andre@0: /* This Source Code Form is subject to the terms of the Mozilla Public
andre@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
andre@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
andre@0: 
andre@0: /*
andre@0:  * NT-specific semaphore handling code.
andre@0:  *
andre@0:  */
andre@0: 
andre@0: 
andre@0: #include "primpl.h"
andre@0: 
andre@0: 
andre@0: void 
andre@0: _PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value)
andre@0: {
andre@0:     md->sem = CreateSemaphore(NULL, value, 0x7fffffff, NULL);
andre@0: }
andre@0: 
andre@0: void 
andre@0: _PR_MD_DESTROY_SEM(_MDSemaphore *md)
andre@0: {
andre@0:     CloseHandle(md->sem);
andre@0: }
andre@0: 
andre@0: PRStatus 
andre@0: _PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks)
andre@0: {
andre@0:     int rv;
andre@0: 
andre@0:     rv = WaitForSingleObject(md->sem, PR_IntervalToMilliseconds(ticks));
andre@0: 
andre@0:     if (rv == WAIT_OBJECT_0)
andre@0:         return PR_SUCCESS;
andre@0:     else
andre@0:         return PR_FAILURE;
andre@0: }
andre@0: 
andre@0: PRStatus 
andre@0: _PR_MD_WAIT_SEM(_MDSemaphore *md)
andre@0: {
andre@0:     return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT);
andre@0: }
andre@0: 
andre@0: void 
andre@0: _PR_MD_POST_SEM(_MDSemaphore *md)
andre@0: {
andre@0:     ReleaseSemaphore(md->sem, 1, NULL);
andre@0: }