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Clarify error that occurs if we add an epoll fd to its own set.

This commit is contained in:
Michael Kerrisk 2008-02-26 12:34:29 +00:00
parent a4a120c768
commit 4fecd70377
1 changed files with 4 additions and 1 deletions
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5
man7/epoll.7
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@ -266,7 +266,10 @@ What happens if the
file descriptor is put into its own file descriptor set?
.TP
.B A4
It will fail.
The
.BR epoll_ctl (2)
call will fail
.RB ( EINVAL ).
However, you can add an
.B epoll
file descriptor inside another epoll file descriptor set.