diff options
Diffstat (limited to 'tools/perf/util/rwsem.h')
| -rw-r--r-- | tools/perf/util/rwsem.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/tools/perf/util/rwsem.h b/tools/perf/util/rwsem.h index 94565ad4d494..b102d8143181 100644 --- a/tools/perf/util/rwsem.h +++ b/tools/perf/util/rwsem.h @@ -2,18 +2,29 @@ #define _PERF_RWSEM_H #include <pthread.h> +#include "mutex.h" -struct rw_semaphore { +/* + * Mutexes have additional error checking. Enable to use a mutex rather than a + * rwlock for debugging. + */ +#define RWS_ERRORCHECK 0 + +struct LOCKABLE rw_semaphore { +#if RWS_ERRORCHECK + struct mutex mtx; +#else pthread_rwlock_t lock; +#endif }; int init_rwsem(struct rw_semaphore *sem); int exit_rwsem(struct rw_semaphore *sem); -int down_read(struct rw_semaphore *sem); -int up_read(struct rw_semaphore *sem); +int down_read(struct rw_semaphore *sem) SHARED_LOCK_FUNCTION(sem); +int up_read(struct rw_semaphore *sem) UNLOCK_FUNCTION(sem); -int down_write(struct rw_semaphore *sem); -int up_write(struct rw_semaphore *sem); +int down_write(struct rw_semaphore *sem) EXCLUSIVE_LOCK_FUNCTION(sem); +int up_write(struct rw_semaphore *sem) UNLOCK_FUNCTION(sem); #endif /* _PERF_RWSEM_H */ |