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-rw-r--r--src/pulsecore/semaphore-win32.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/pulsecore/semaphore-win32.c b/src/pulsecore/semaphore-win32.c
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+++ b/src/pulsecore/semaphore-win32.c
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+/* $Id: mutex-win32.c 1426 2007-02-13 15:35:19Z ossman $ */
+
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <windows.h>
+
+#include <pulse/xmalloc.h>
+#include <pulsecore/macro.h>
+
+#include "semaphore.h"
+
+struct pa_semaphore
+{
+ HANDLE sema;
+};
+
+pa_semaphore* pa_semaphore_new(unsigned value) {
+ pa_semaphore *s;
+
+ s = pa_xnew(pa_semaphore, 1);
+
+ s->sema = CreateSemaphore(NULL, value, 32767, NULL);
+ pa_assert(s->sema != NULL);
+
+ return s;
+}
+
+void pa_semaphore_free(pa_semaphore *s) {
+ pa_assert(s);
+ CloseHandle(s->sema);
+ pa_xfree(s);
+}
+
+void pa_semaphore_post(pa_semaphore *s) {
+ pa_assert(s);
+ ReleaseSemaphore(s->sema, 1, NULL);
+}
+
+void pa_semaphore_wait(pa_semaphore *s) {
+ pa_assert(s);
+ WaitForSingleObject(s->sema, INFINITE);
+}