mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-01 22:58:47 -04:00
133 lines
2.7 KiB
C
133 lines
2.7 KiB
C
/***
|
|
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/hashmap.h>
|
|
|
|
#include "mutex.h"
|
|
|
|
struct pa_mutex {
|
|
CRITICAL_SECTION mutex;
|
|
};
|
|
|
|
struct pa_cond {
|
|
pa_hashmap *wait_events;
|
|
};
|
|
|
|
pa_mutex* pa_mutex_new(pa_bool_t recursive, pa_bool_t inherit_priority) {
|
|
pa_mutex *m;
|
|
|
|
m = pa_xnew(pa_mutex, 1);
|
|
|
|
InitializeCriticalSection(&m->mutex);
|
|
|
|
return m;
|
|
}
|
|
|
|
void pa_mutex_free(pa_mutex *m) {
|
|
assert(m);
|
|
|
|
DeleteCriticalSection(&m->mutex);
|
|
pa_xfree(m);
|
|
}
|
|
|
|
void pa_mutex_lock(pa_mutex *m) {
|
|
assert(m);
|
|
|
|
EnterCriticalSection(&m->mutex);
|
|
}
|
|
|
|
void pa_mutex_unlock(pa_mutex *m) {
|
|
assert(m);
|
|
|
|
LeaveCriticalSection(&m->mutex);
|
|
}
|
|
|
|
pa_cond *pa_cond_new(void) {
|
|
pa_cond *c;
|
|
|
|
c = pa_xnew(pa_cond, 1);
|
|
c->wait_events = pa_hashmap_new(NULL, NULL);
|
|
assert(c->wait_events);
|
|
|
|
return c;
|
|
}
|
|
|
|
void pa_cond_free(pa_cond *c) {
|
|
assert(c);
|
|
|
|
pa_hashmap_free(c->wait_events, NULL, NULL);
|
|
pa_xfree(c);
|
|
}
|
|
|
|
void pa_cond_signal(pa_cond *c, int broadcast) {
|
|
assert(c);
|
|
|
|
if (pa_hashmap_size(c->wait_events) == 0)
|
|
return;
|
|
|
|
if (broadcast)
|
|
SetEvent(pa_hashmap_get_first(c->wait_events));
|
|
else {
|
|
void *iter;
|
|
const void *key;
|
|
HANDLE event;
|
|
|
|
iter = NULL;
|
|
while (1) {
|
|
pa_hashmap_iterate(c->wait_events, &iter, &key);
|
|
if (key == NULL)
|
|
break;
|
|
event = (HANDLE)pa_hashmap_get(c->wait_events, key);
|
|
SetEvent(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
int pa_cond_wait(pa_cond *c, pa_mutex *m) {
|
|
HANDLE event;
|
|
|
|
assert(c);
|
|
assert(m);
|
|
|
|
event = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
assert(event);
|
|
|
|
pa_hashmap_put(c->wait_events, event, event);
|
|
|
|
pa_mutex_unlock(m);
|
|
|
|
WaitForSingleObject(event, INFINITE);
|
|
|
|
pa_mutex_lock(m);
|
|
|
|
pa_hashmap_remove(c->wait_events, event);
|
|
|
|
CloseHandle(event);
|
|
|
|
return 0;
|
|
}
|