mirror of https://github.com/mkerrisk/man-pages
epoll_ctl.2: Give the reader a clue that the 'events' field can be zero
'events' specified as zero still allows EPOLLHUP and EPOLLERR to be reported. Reported-by: Nicolas Biscos <nicolas.biscos+man7@gmail.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
parent
25c2dd2f87
commit
967631f2c8
|
@ -95,8 +95,8 @@ struct epoll_event {
|
|||
|
||||
The
|
||||
.I events
|
||||
member is a bit mask composed using the following available event
|
||||
types:
|
||||
member is a bit mask composed by ORing together zero or more of
|
||||
the following available event types:
|
||||
.TP
|
||||
.B EPOLLIN
|
||||
The associated file is available for
|
||||
|
@ -134,6 +134,7 @@ Hang up happened on the associated file descriptor.
|
|||
.BR epoll_wait (2)
|
||||
will always wait for this event; it is not necessary to set it in
|
||||
.IR events .
|
||||
|
||||
Note that when reading from a channel such as a pipe or a stream socket,
|
||||
this event merely indicates that the peer closed its end of the channel.
|
||||
Subsequent reads from the channel will return 0 (end of file)
|
||||
|
|
Loading…
Reference in New Issue