5  * SPDX-License-Identifier: Apache-2.0
44 static inline size_t posix_mutex_to_offset(struct k_mutex *m)  in posix_mutex_to_offset()  argument
46 	return m - posix_mutex_pool;  in posix_mutex_to_offset()
84 	struct k_mutex *m;  in to_posix_mutex()  local
100 	m = &posix_mutex_pool[bit];  in to_posix_mutex()
102 	err = k_mutex_init(m);  in to_posix_mutex()
105 	return m;  in to_posix_mutex()
110 	int type = -1;  in acquire_mutex()
111 	size_t bit = -1;  in acquire_mutex()
113 	size_t lock_count = -1;  in acquire_mutex()
114 	struct k_mutex *m = NULL;  in acquire_mutex()  local
118 		m = to_posix_mutex(mu);  in acquire_mutex()
119 		if (m == NULL) {  in acquire_mutex()
124 		LOG_DBG("Locking mutex %p with timeout %llx", m, timeout.ticks);  in acquire_mutex()
127 		bit = posix_mutex_to_offset(m);  in acquire_mutex()
129 		owner = m->owner;  in acquire_mutex()
130 		lock_count = m->lock_count;  in acquire_mutex()
141 				LOG_DBG("Timeout locking mutex %p", m);  in acquire_mutex()
146 			LOG_DBG("Attempt to relock non-recursive mutex %p", m);  in acquire_mutex()
154 				LOG_DBG("Mutex %p locked recursively too many times", m);  in acquire_mutex()
159 			LOG_DBG("Attempt to recursively lock non-recursive mutex %p", m);  in acquire_mutex()
170 		ret = k_mutex_lock(m, timeout);  in acquire_mutex()
171 		if (ret == -EAGAIN) {  in acquire_mutex()
172 			LOG_DBG("Timeout locking mutex %p", m);  in acquire_mutex()
174 			 * special quirk - k_mutex_lock() returns EAGAIN if a timeout occurs, but  in acquire_mutex()
184 		ret = -ret;  in acquire_mutex()
188 		LOG_DBG("Locked mutex %p", m);  in acquire_mutex()
195  * @brief Lock POSIX mutex with non-blocking call.
199 int pthread_mutex_trylock(pthread_mutex_t *m)  in pthread_mutex_trylock()  argument
201 	return acquire_mutex(m, K_NO_WAIT);  in pthread_mutex_trylock()
210 int pthread_mutex_timedlock(pthread_mutex_t *m,  in pthread_mutex_timedlock()  argument
214 	return acquire_mutex(m, K_MSEC(timeout));  in pthread_mutex_timedlock()
225 	struct k_mutex *m;  in pthread_mutex_init()  local
230 	m = to_posix_mutex(mu);  in pthread_mutex_init()
231 	if (m == NULL) {  in pthread_mutex_init()
235 	bit = posix_mutex_to_offset(m);  in pthread_mutex_init()
239 		posix_mutex_type[bit] = attr->type;  in pthread_mutex_init()
242 	LOG_DBG("Initialized mutex %p", m);  in pthread_mutex_init()
253 int pthread_mutex_lock(pthread_mutex_t *m)  in pthread_mutex_lock()  argument
255 	return acquire_mutex(m, K_FOREVER);  in pthread_mutex_lock()
266 	struct k_mutex *m;  in pthread_mutex_unlock()  local
268 	m = get_posix_mutex(*mu);  in pthread_mutex_unlock()
269 	if (m == NULL) {  in pthread_mutex_unlock()
273 	ret = k_mutex_unlock(m);  in pthread_mutex_unlock()
276 		return -ret;  in pthread_mutex_unlock()
280 	LOG_DBG("Unlocked mutex %p", m);  in pthread_mutex_unlock()
294 	struct k_mutex *m;  in pthread_mutex_destroy()  local
296 	m = get_posix_mutex(*mu);  in pthread_mutex_destroy()
297 	if (m == NULL) {  in pthread_mutex_destroy()
305 	LOG_DBG("Destroyed mutex %p", m);  in pthread_mutex_destroy()
357 	a->type = PTHREAD_MUTEX_DEFAULT;  in pthread_mutexattr_init()
358 	a->initialized = true;  in pthread_mutexattr_init()
367 	if (a == NULL || !a->initialized) {  in pthread_mutexattr_destroy()
385 	if (a == NULL || type == NULL || !a->initialized) {  in pthread_mutexattr_gettype()
389 	*type = a->type;  in pthread_mutexattr_gettype()
403 	if (a == NULL || !a->initialized) {  in pthread_mutexattr_settype()
411 		a->type = type;  in pthread_mutexattr_settype()