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new helper: wait_event_killable_exclusive() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
hifive-unleashed-5.1
Al Viro 2016-07-19 03:04:34 -04:00
parent 6d4e56ce97
commit 6a0fb30673
1 changed files with 13 additions and 0 deletions
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13
include/linux/wait.h
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@ -600,6 +600,19 @@ do { \
__ret; \
})
#define __wait_event_killable_exclusive(wq, condition) \
___wait_event(wq, condition, TASK_KILLABLE, 1, 0, \
schedule())
#define wait_event_killable_exclusive(wq, condition) \
({ \
int __ret = 0; \
might_sleep(); \
if (!(condition)) \
__ret = __wait_event_killable_exclusive(wq, condition); \
__ret; \
})
#define __wait_event_freezable_exclusive(wq, condition) \
___wait_event(wq, condition, TASK_INTERRUPTIBLE, 1, 0, \