include/linux/wait.h

115 #define	init_waitqueue_head(wqh) do {					\
116 	mtx_init(&(wqh)->lock, spin_lock_name("wqhead"),		\
118 	INIT_LIST_HEAD(&(wqh)->task_list);				\
121 #define	__init_waitqueue_head(wqh, name, lk) init_waitqueue_head(wqh)
128 #define	wake_up(wqh)							\
129 	linux_wake_up(wqh, TASK_NORMAL, 1, false)
130 #define	wake_up_all(wqh)						\
131 	linux_wake_up(wqh, TASK_NORMAL, 0, false)
132 #define	wake_up_locked(wqh)						\
133 	linux_wake_up(wqh, TASK_NORMAL, 1, true)
134 #define	wake_up_all_locked(wqh)						\
135 	linux_wake_up(wqh, TASK_NORMAL, 0, true)
136 #define	wake_up_interruptible(wqh)					\
137 	linux_wake_up(wqh, TASK_INTERRUPTIBLE, 1, false)
138 #define	wake_up_interruptible_all(wqh)					\
139 	linux_wake_up(wqh, TASK_INTERRUPTIBLE, 0, false)
149 #define	__wait_event_common(wqh, cond, timeout, state, lock) ({	\
156 		linux_prepare_to_wait(&(wqh), &__wq, state);	\
159 		__ret = linux_wait_event_common(&(wqh), &__wq,	\
164 	linux_finish_wait(&(wqh), &__wq);			\
180 #define	wait_event(wqh, cond) do {					\
181 	(void) __wait_event_common(wqh, cond, MAX_SCHEDULE_TIMEOUT,	\
185 #define	wait_event_timeout(wqh, cond, timeout) ({			\
186 	__wait_event_common(wqh, cond, timeout, TASK_UNINTERRUPTIBLE,	\
190 #define	wait_event_killable(wqh, cond) ({				\
191 	__wait_event_common(wqh, cond, MAX_SCHEDULE_TIMEOUT,		\
195 #define	wait_event_interruptible(wqh, cond) ({				\
196 	__wait_event_common(wqh, cond, MAX_SCHEDULE_TIMEOUT,		\
200 #define	wait_event_interruptible_timeout(wqh, cond, timeout) ({		\
201 	__wait_event_common(wqh, cond, timeout, TASK_INTERRUPTIBLE,	\
208 #define	wait_event_interruptible_locked(wqh, cond) ({			\
211 	spin_unlock(&(wqh).lock);					\
212 	__ret = __wait_event_common(wqh, cond, MAX_SCHEDULE_TIMEOUT,	\
214 	spin_lock(&(wqh).lock);						\
221 #define	wait_event_interruptible_lock_irq(wqh, cond, lock) ({		\
222 	__wait_event_common(wqh, cond, MAX_SCHEDULE_TIMEOUT,		\
229 #define	wait_event_lock_irq(wqh, cond, lock) ({			\
230 	__wait_event_common(wqh, cond, MAX_SCHEDULE_TIMEOUT,	\
235 __add_wait_queue(wait_queue_head_t *wqh, wait_queue_t *wq)
237 	list_add(&wq->task_list, &wqh->task_list);
241 add_wait_queue(wait_queue_head_t *wqh, wait_queue_t *wq)
244 	spin_lock(&wqh->lock);
245 	__add_wait_queue(wqh, wq);
246 	spin_unlock(&wqh->lock);
250 __add_wait_queue_tail(wait_queue_head_t *wqh, wait_queue_t *wq)
252 	list_add_tail(&wq->task_list, &wqh->task_list);
256 __add_wait_queue_entry_tail(wait_queue_head_t *wqh, wait_queue_entry_t *wq)
258         list_add_tail(&wq->entry, &wqh->head);
262 __remove_wait_queue(wait_queue_head_t *wqh, wait_queue_t *wq)
268 remove_wait_queue(wait_queue_head_t *wqh, wait_queue_t *wq)
271 	spin_lock(&wqh->lock);
272 	__remove_wait_queue(wqh, wq);
273 	spin_unlock(&wqh->lock);
278 #define	waitqueue_active(wqh)		linux_waitqueue_active(wqh)
283 #define	prepare_to_wait(wqh, wq, state)	linux_prepare_to_wait(wqh, wq, state)
284 #define	finish_wait(wqh, wq)		linux_finish_wait(wqh, wq)