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| author | Al Viro | 2016-07-19 09:04:34 +0200 |
|---|---|---|
| committer | Al Viro | 2016-07-19 09:08:07 +0200 |
| commit | 6a0fb306738994d6f091791aeb11a5dc87ad8f4c (patch) | |
| tree | a340fe7ddd7a023d88a721ea32e358966a17c17c /include/linux/wait.h | |
| parent | posix_acl: de-union a_refcount and a_rcu (diff) | |
| download | kernel-qcow2-linux-6a0fb306738994d6f091791aeb11a5dc87ad8f4c.tar.gz kernel-qcow2-linux-6a0fb306738994d6f091791aeb11a5dc87ad8f4c.tar.xz kernel-qcow2-linux-6a0fb306738994d6f091791aeb11a5dc87ad8f4c.zip | |
new helper: wait_event_killable_exclusive()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/wait.h')
| -rw-r--r-- | include/linux/wait.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index 27d7a0ab5da3..c3ff74d764fa 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -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, \ |