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epoll_ctl.2: Document ELOOP error for circular monitoring loops 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2016-03-10 21:01:17 +01:00
parent cc7b36035b
commit 813596e5f2
1 changed files with 7 additions and 0 deletions
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7
man2/epoll_ctl.2
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@ -224,6 +224,13 @@ or the requested operation
.I op
is not supported by this interface.
.TP
.B ELOOP
.I fd
refers to an epoll instance and this
.B EPOLL_CTL_ADD
operation would result in a circular loop of epoll instances
monitoring one another.
.TP
.B ENOENT
.I op
was