diff options
Diffstat (limited to 'src/pulsecore/semaphore.h')
| -rw-r--r-- | src/pulsecore/semaphore.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/pulsecore/semaphore.h b/src/pulsecore/semaphore.h index dc3ca6a5..2bf81496 100644 --- a/src/pulsecore/semaphore.h +++ b/src/pulsecore/semaphore.h @@ -22,6 +22,9 @@ USA. ***/ +#include <pulsecore/macro.h> +#include <pulsecore/atomic.h> + typedef struct pa_semaphore pa_semaphore; pa_semaphore* pa_semaphore_new(unsigned value); @@ -30,4 +33,16 @@ 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 |