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#ifndef foopulsesemaphorehfoo
#define foopulsesemaphorehfoo
/***
This file is part of PulseAudio.
Copyright 2006 Lennart Poettering
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 2.1 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, see <http://www.gnu.org/licenses/>.
***/
#include <pulsecore/macro.h>
#include <pulsecore/atomic.h>
typedef struct pa_semaphore pa_semaphore;
pa_semaphore* pa_semaphore_new(unsigned value);
void pa_semaphore_free(pa_semaphore *m);
void pa_semaphore_post(pa_semaphore *m);
void pa_semaphore_wait(pa_semaphore *m);
/* Static semaphores are basically just atomically updated pointers to
* pa_semaphore objects */
typedef struct pa_static_semaphore {
pa_atomic_ptr_t ptr;
} pa_static_semaphore;
#define PA_STATIC_SEMAPHORE_INIT { PA_ATOMIC_PTR_INIT(NULL) }
/* When you call this make sure to pass always the same value parameter! */
pa_semaphore* pa_static_semaphore_get(pa_static_semaphore *m, unsigned value);
#endif
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