/* ------------------------------- **
**      Atomic lock for PTHREADS   **
** ------------------------------- */

#define INIT_LOCK(LOCK_VAR)    pthread_mutex_init(&(LOCK_VAR), NULL)
#define DESTROY_LOCK(LOCK_VAR) pthread_mutex_destroy(&(LOCK_VAR))
#define TRY_LOCK(LOCK_PTR)     pthread_mutex_trylock(&(LOCK_VAR))
#define LOCK(LOCK_VAR)         pthread_mutex_lock(&(LOCK_VAR))
#define UNLOCK(LOCK_VAR)       pthread_mutex_unlock(&(LOCK_VAR))

#define INIT_RWLOCK(X)         pthread_rwlock_init(&(X), NULL)
#define DESTROY_RWLOCK(X)      pthread_rwlock_destroy(&(X))
#define READ_LOCK(X)           pthread_rwlock_rdlock(&(X))
#define READ_UNLOCK(X)         pthread_rwlock_unlock(&(X))
#define WRITE_LOCK(X)          pthread_rwlock_wrlock(&(X))
#define WRITE_UNLOCK(X)        pthread_rwlock_unlock(&(X))