libthr/thread/thr_umtx.c

43 _thr_umutex_init(struct umutex *mtx)
47 	*mtx = default_mtx;
58 __thr_umutex_lock(struct umutex *mtx, uint32_t id)
62 	if ((mtx->m_flags & (UMUTEX_PRIO_PROTECT | UMUTEX_PRIO_INHERIT)) == 0) {
65 			_umtx_op_err(mtx, UMTX_OP_MUTEX_WAIT, 0, 0, 0);
67 			owner = mtx->m_owner;
69 			     atomic_cmpset_acq_32(&mtx->m_owner, owner, id|owner))
74 	return	_umtx_op_err(mtx, UMTX_OP_MUTEX_LOCK, 0, 0, 0);
80 __thr_umutex_lock_spin(struct umutex *mtx, uint32_t id)
85 		return __thr_umutex_lock(mtx, id);
87 	if ((mtx->m_flags & (UMUTEX_PRIO_PROTECT | UMUTEX_PRIO_INHERIT)) == 0) {
91 				owner = mtx->m_owner;
94 					    &mtx->m_owner,
103 			_umtx_op_err(mtx, UMTX_OP_MUTEX_WAIT, 0, 0, 0);
107 	return	_umtx_op_err(mtx, UMTX_OP_MUTEX_LOCK, 0, 0, 0);
111 __thr_umutex_timedlock(struct umutex *mtx, uint32_t id,
131 		if ((mtx->m_flags & (UMUTEX_PRIO_PROTECT | UMUTEX_PRIO_INHERIT)) == 0) {
134 			ret = _umtx_op_err(mtx, UMTX_OP_MUTEX_WAIT, 0,
138 			owner = mtx->m_owner;
140 			     atomic_cmpset_acq_32(&mtx->m_owner, owner, id|owner))
143 			ret = _umtx_op_err(mtx, UMTX_OP_MUTEX_LOCK, 0,
155 __thr_umutex_unlock(struct umutex *mtx, uint32_t id)
157 	return _umtx_op_err(mtx, UMTX_OP_MUTEX_UNLOCK, 0, 0, 0);
161 __thr_umutex_trylock(struct umutex *mtx)
163 	return _umtx_op_err(mtx, UMTX_OP_MUTEX_TRYLOCK, 0, 0, 0);
167 __thr_umutex_set_ceiling(struct umutex *mtx, uint32_t ceiling,
170 	return _umtx_op_err(mtx, UMTX_OP_SET_CEILING, ceiling, oldceiling, 0);
174 _thr_umtx_wait(volatile long *mtx, long id, const struct timespec *timeout)
179 	return _umtx_op_err(__DEVOLATILE(void *, mtx), UMTX_OP_WAIT, id, 0,
184 _thr_umtx_wait_uint(volatile u_int *mtx, u_int id, const struct timespec *timeout, int shared)
189 	return _umtx_op_err(__DEVOLATILE(void *, mtx),
195 _thr_umtx_timedwait_uint(volatile u_int *mtx, u_int id, int clockid,
212 	return _umtx_op_err(__DEVOLATILE(void *, mtx),
218 _thr_umtx_wake(volatile void *mtx, int nr_wakeup, int shared)
220 	return _umtx_op_err(__DEVOLATILE(void *, mtx), shared ? UMTX_OP_WAKE : UMTX_OP_WAKE_PRIVATE,