include/linux/wait.h

295  * on purpose; we use long where we can return timeout values and int
387 #define __wait_event_timeout(wq_head, condition, timeout)			\
389 		      TASK_UNINTERRUPTIBLE, 0, timeout,				\
393  * wait_event_timeout - sleep until a condition gets true or a timeout elapses
396  * @timeout: timeout, in jiffies
406  * 0 if the @condition evaluated to %false after the @timeout elapsed,
407  * 1 if the @condition evaluated to %true after the @timeout elapsed,
409  * to %true before the @timeout elapsed.
411 #define wait_event_timeout(wq_head, condition, timeout)				\
413 	long __ret = timeout;							\
416 		__ret = __wait_event_timeout(wq_head, condition, timeout);	\
420 #define __wait_event_freezable_timeout(wq_head, condition, timeout)		\
422 		      (TASK_INTERRUPTIBLE|TASK_FREEZABLE), 0, timeout,		\
429 #define wait_event_freezable_timeout(wq_head, condition, timeout)		\
431 	long __ret = timeout;							\
434 		__ret = __wait_event_freezable_timeout(wq_head, condition, timeout); \
504 #define __wait_event_interruptible_timeout(wq_head, condition, timeout)		\
506 		      TASK_INTERRUPTIBLE, 0, timeout,				\
510  * wait_event_interruptible_timeout - sleep until a condition gets true or a timeout elapses
513  * @timeout: timeout, in jiffies
523  * 0 if the @condition evaluated to %false after the @timeout elapsed,
524  * 1 if the @condition evaluated to %true after the @timeout elapsed,
526  * to %true before the @timeout elapsed, or -%ERESTARTSYS if it was
529 #define wait_event_interruptible_timeout(wq_head, condition, timeout)		\
531 	long __ret = timeout;							\
535 						condition, timeout);		\
539 #define __wait_event_hrtimeout(wq_head, condition, timeout, state)		\
546 	if ((timeout) != KTIME_MAX) {						\
547 		hrtimer_set_expires_range_ns(&__t.timer, timeout,		\
565  * wait_event_hrtimeout - sleep until a condition gets true or a timeout elapses
568  * @timeout: timeout, as a ktime_t
577  * The function returns 0 if @condition became true, or -ETIME if the timeout
580 #define wait_event_hrtimeout(wq_head, condition, timeout)			\
585 		__ret = __wait_event_hrtimeout(wq_head, condition, timeout,	\
591  * wait_event_interruptible_hrtimeout - sleep until a condition gets true or a timeout elapses
594  * @timeout: timeout, as a ktime_t
604  * interrupted by a signal, or -ETIME if the timeout elapsed.
606 #define wait_event_interruptible_hrtimeout(wq, condition, timeout)		\
611 		__ret = __wait_event_hrtimeout(wq, condition, timeout,		\
700 #define __wait_event_idle_timeout(wq_head, condition, timeout)			\
702 		      TASK_IDLE, 0, timeout,					\
706  * wait_event_idle_timeout - sleep without load until a condition becomes true or a timeout elapses
709  * @timeout: timeout, in jiffies
719  * 0 if the @condition evaluated to %false after the @timeout elapsed,
720  * 1 if the @condition evaluated to %true after the @timeout elapsed,
722  * to %true before the @timeout elapsed.
724 #define wait_event_idle_timeout(wq_head, condition, timeout)			\
726 	long __ret = timeout;							\
729 		__ret = __wait_event_idle_timeout(wq_head, condition, timeout);	\
733 #define __wait_event_idle_exclusive_timeout(wq_head, condition, timeout)	\
735 		      TASK_IDLE, 1, timeout,					\
739  * wait_event_idle_exclusive_timeout - sleep without load until a condition becomes true or a timeout elapses
742  * @timeout: timeout, in jiffies
756  * 0 if the @condition evaluated to %false after the @timeout elapsed,
757  * 1 if the @condition evaluated to %true after the @timeout elapsed,
759  * to %true before the @timeout elapsed.
761 #define wait_event_idle_exclusive_timeout(wq_head, condition, timeout)		\
763 	long __ret = timeout;							\
766 		__ret = __wait_event_idle_exclusive_timeout(wq_head, condition, timeout);\
962 #define __wait_event_killable_timeout(wq_head, condition, timeout)		\
964 		      TASK_KILLABLE, 0, timeout,				\
968  * wait_event_killable_timeout - sleep until a condition gets true or a timeout elapses
971  * @timeout: timeout, in jiffies
981  * 0 if the @condition evaluated to %false after the @timeout elapsed,
982  * 1 if the @condition evaluated to %true after the @timeout elapsed,
984  * to %true before the @timeout elapsed, or -%ERESTARTSYS if it was
989 #define wait_event_killable_timeout(wq_head, condition, timeout)		\
991 	long __ret = timeout;							\
995 						condition, timeout);		\
1137 #define __wait_event_lock_irq_timeout(wq_head, condition, lock, timeout, state)	\
1139 		      state, 0, timeout,					\
1146  *		true or a timeout elapses. The condition is checked under
1152  * @timeout: timeout, in jiffies
1164  * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it
1166  * if the condition evaluated to true before the timeout elapsed.
1169 						  timeout)			\
1171 	long __ret = timeout;							\
1174 					wq_head, condition, lock, timeout,	\
1179 #define wait_event_lock_irq_timeout(wq_head, condition, lock, timeout)		\
1181 	long __ret = timeout;							\
1184 					wq_head, condition, lock, timeout,	\
1196 long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout);