include/linux/swait.h

90  * @wq: the waitqueue to test for waiters
121 static inline int swait_active(struct swait_queue_head *wq)
123 	return !list_empty(&wq->task_list);
128  * @wq: the waitqueue to test for waiters
130  * Returns true if @wq has waiting processes
134 static inline bool swq_has_sleeper(struct swait_queue_head *wq)
144 	return swait_active(wq);
158 #define ___swait_event(wq, condition, state, ret, cmd)			\
166 		long __int = prepare_to_swait_event(&wq, &__wait, state);\
178 	finish_swait(&wq, &__wait);					\
182 #define __swait_event(wq, condition)					\
183 	(void)___swait_event(wq, condition, TASK_UNINTERRUPTIBLE, 0,	\
186 #define swait_event_exclusive(wq, condition)				\
190 	__swait_event(wq, condition);					\
193 #define __swait_event_timeout(wq, condition, timeout)			\
194 	___swait_event(wq, ___wait_cond_timeout(condition),		\
198 #define swait_event_timeout_exclusive(wq, condition, timeout)		\
202 		__ret = __swait_event_timeout(wq, condition, timeout);	\
206 #define __swait_event_interruptible(wq, condition)			\
207 	___swait_event(wq, condition, TASK_INTERRUPTIBLE, 0,		\
210 #define swait_event_interruptible_exclusive(wq, condition)		\
214 		__ret = __swait_event_interruptible(wq, condition);	\
218 #define __swait_event_interruptible_timeout(wq, condition, timeout)	\
219 	___swait_event(wq, ___wait_cond_timeout(condition),		\
223 #define swait_event_interruptible_timeout_exclusive(wq, condition, timeout)\
227 		__ret = __swait_event_interruptible_timeout(wq,		\
232 #define __swait_event_idle(wq, condition)				\
233 	(void)___swait_event(wq, condition, TASK_IDLE, 0, schedule())
237  * @wq: the waitqueue to wait on
241  * true. The @condition is checked each time the waitqueue @wq is woken up.
247 #define swait_event_idle_exclusive(wq, condition)			\
251 	__swait_event_idle(wq, condition);				\
254 #define __swait_event_idle_timeout(wq, condition, timeout)		\
255 	___swait_event(wq, ___wait_cond_timeout(condition),		\
261  * @wq: the waitqueue to wait on
266  * true. The @condition is checked each time the waitqueue @wq is woken up.
278 #define swait_event_idle_timeout_exclusive(wq, condition, timeout)	\
282 		__ret = __swait_event_idle_timeout(wq,			\