1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/src/md/os2/os2sem.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,61 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 + * OS/2-specific semaphore handling code.
1.11 + *
1.12 + */
1.13 +
1.14 +#include "primpl.h"
1.15 +
1.16 +
1.17 +void
1.18 +_PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value)
1.19 +{
1.20 + int rv;
1.21 +
1.22 + /* Our Sems don't support a value > 1 */
1.23 + PR_ASSERT(value <= 1);
1.24 +
1.25 + rv = DosCreateEventSem(NULL, &md->sem, 0, 0);
1.26 + PR_ASSERT(rv == NO_ERROR);
1.27 +}
1.28 +
1.29 +void
1.30 +_PR_MD_DESTROY_SEM(_MDSemaphore *md)
1.31 +{
1.32 + int rv;
1.33 + rv = DosCloseEventSem(md->sem);
1.34 + PR_ASSERT(rv == NO_ERROR);
1.35 +
1.36 +}
1.37 +
1.38 +PRStatus
1.39 +_PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks)
1.40 +{
1.41 + int rv;
1.42 + rv = DosWaitEventSem(md->sem, PR_IntervalToMilliseconds(ticks));
1.43 +
1.44 + if (rv == NO_ERROR)
1.45 + return PR_SUCCESS;
1.46 + else
1.47 + return PR_FAILURE;
1.48 +}
1.49 +
1.50 +PRStatus
1.51 +_PR_MD_WAIT_SEM(_MDSemaphore *md)
1.52 +{
1.53 + return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT);
1.54 +}
1.55 +
1.56 +void
1.57 +_PR_MD_POST_SEM(_MDSemaphore *md)
1.58 +{
1.59 + int rv;
1.60 + rv = DosPostEventSem(md->sem);
1.61 + PR_ASSERT(rv == NO_ERROR);
1.62 +}
1.63 +
1.64 +
