| 39,20 → 39,26 |
|---|
| #include <synch/semaphore.h> |
| #include <synch/synch.h> |
| |
| typedef enum { |
| MUTEX_PASSIVE, |
| MUTEX_ACTIVE |
| } mutex_type_t; |
| |
| typedef struct { |
| mutex_type_t type; |
| semaphore_t sem; |
| } mutex_t; |
| |
| #define mutex_lock(mtx) \ |
| #define mutex_lock(mtx) \ |
| _mutex_lock_timeout((mtx), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
| #define mutex_trylock(mtx) \ |
| #define mutex_trylock(mtx) \ |
| _mutex_lock_timeout((mtx), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NON_BLOCKING) |
| #define mutex_lock_timeout(mtx, usec) \ |
| #define mutex_lock_timeout(mtx, usec) \ |
| _mutex_lock_timeout((mtx), (usec), SYNCH_FLAGS_NON_BLOCKING) |
| |
| extern void mutex_initialize(mutex_t *mtx); |
| extern int _mutex_lock_timeout(mutex_t *mtx, uint32_t usec, int flags); |
| extern void mutex_unlock(mutex_t *mtx); |
| extern void mutex_initialize(mutex_t *, mutex_type_t); |
| extern int _mutex_lock_timeout(mutex_t *, uint32_t, int); |
| extern void mutex_unlock(mutex_t *); |
| |
| #endif |
| |