nsprpub/pr/src/md/os2/os2sem.c@6474c204b198 (annotated)
nsprpub/pr/src/md/os2/os2sem.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * OS/2-specific semaphore handling code. |
| michael@0 | 8 | * |
| michael@0 | 9 | */ |
| michael@0 | 10 | |
| michael@0 | 11 | #include "primpl.h" |
| michael@0 | 12 | |
| michael@0 | 13 | |
| michael@0 | 14 | void |
| michael@0 | 15 | _PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value) |
| michael@0 | 16 | { |
| michael@0 | 17 | int rv; |
| michael@0 | 18 | |
| michael@0 | 19 | /* Our Sems don't support a value > 1 */ |
| michael@0 | 20 | PR_ASSERT(value <= 1); |
| michael@0 | 21 | |
| michael@0 | 22 | rv = DosCreateEventSem(NULL, &md->sem, 0, 0); |
| michael@0 | 23 | PR_ASSERT(rv == NO_ERROR); |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | void |
| michael@0 | 27 | _PR_MD_DESTROY_SEM(_MDSemaphore *md) |
| michael@0 | 28 | { |
| michael@0 | 29 | int rv; |
| michael@0 | 30 | rv = DosCloseEventSem(md->sem); |
| michael@0 | 31 | PR_ASSERT(rv == NO_ERROR); |
| michael@0 | 32 | |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | PRStatus |
| michael@0 | 36 | _PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks) |
| michael@0 | 37 | { |
| michael@0 | 38 | int rv; |
| michael@0 | 39 | rv = DosWaitEventSem(md->sem, PR_IntervalToMilliseconds(ticks)); |
| michael@0 | 40 | |
| michael@0 | 41 | if (rv == NO_ERROR) |
| michael@0 | 42 | return PR_SUCCESS; |
| michael@0 | 43 | else |
| michael@0 | 44 | return PR_FAILURE; |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | PRStatus |
| michael@0 | 48 | _PR_MD_WAIT_SEM(_MDSemaphore *md) |
| michael@0 | 49 | { |
| michael@0 | 50 | return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT); |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | void |
| michael@0 | 54 | _PR_MD_POST_SEM(_MDSemaphore *md) |
| michael@0 | 55 | { |
| michael@0 | 56 | int rv; |
| michael@0 | 57 | rv = DosPostEventSem(md->sem); |
| michael@0 | 58 | PR_ASSERT(rv == NO_ERROR); |
| michael@0 | 59 | } |
| michael@0 | 60 | |
| michael@0 | 61 |
