2 This file is part of PulseAudio.
4 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <pulse/xmalloc.h>
29 #include <pulsecore/macro.h>
31 #include "semaphore.h"
38 pa_semaphore* pa_semaphore_new(unsigned value) {
41 s = pa_xnew(pa_semaphore, 1);
43 s->sema = CreateSemaphore(NULL, value, 32767, NULL);
44 pa_assert(s->sema != NULL);
49 void pa_semaphore_free(pa_semaphore *s) {
55 void pa_semaphore_post(pa_semaphore *s) {
57 ReleaseSemaphore(s->sema, 1, NULL);
60 void pa_semaphore_wait(pa_semaphore *s) {
62 WaitForSingleObject(s->sema, INFINITE);