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| author | NeilBrown <neilb@suse.de> | 2014-07-07 07:32:33 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2014-07-07 09:07:10 +0200 |
| commit | 573f05ef42c02c9ecb1348bc9a8aec68b9b79d02 (patch) | |
| tree | c65fd10ebb191a6a89c8d84ed20542f73e03e11b | |
| parent | 6351139b47c39d80f65b3bfbcc02ff240bfa9eec (diff) | |
epoll_ctl.2: Document EPOLLWAKEUP
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/epoll_ctl.2 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/man2/epoll_ctl.2 b/man2/epoll_ctl.2 index 1fbe74eee..6388f1919 100644 --- a/man2/epoll_ctl.2 +++ b/man2/epoll_ctl.2 @@ -154,6 +154,26 @@ The user must call with .B EPOLL_CTL_MOD to rearm the file descriptor with a new event mask. +.TP +.BR EPOLLWAKEUP " (since Linux 3.5)" +If +.B EPOLLONESHOT +and +.B EPOLLET +are clear and the process has the +.B CAP_BLOCK_SUSPEND +.BR capability (7), +ensure that the system does not enter "suspend" or +"hibernate" while this event is pending or being processed. +The event is considered as being "processed" from when it returned by +a call to +.BR epoll_wait (2) +until the next call to +.BR epoll_wait (2) +on the same +.BR epoll (7) +file descriptor. +.\" commit 4d7e30d98939a0340022ccd49325a3d70f7e0238 .SH RETURN VALUE When successful, .BR epoll_ctl () |