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socket.7: SIOCSPGRP: refer to fcntl(2) F_SETOWN for correct permission rules 

The permission rules described for SIOCCPGRP are wrong. Rather
than repeat the rules here, just refer the reader to fcntl(2),
where the rules are described for F_SETOWN.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2016-06-26 14:59:33 +02:00
parent 81554da338
commit 0d86f49075
1 changed files with 6 additions and 12 deletions
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18
man7/socket.7
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@ -1019,23 +1019,17 @@ set to
.BR ENOENT ).
.TP
.B SIOCSPGRP
Set the process or process group to send
Set the process or process group that is to receive
.B SIGIO
or
.B SIGURG
signals
to when an
asynchronous I/O operation has finished or urgent data is available.
signals when I/O becomes possible or urgent data is available.
The argument is a pointer to a
.IR pid_t .
If the argument is positive, send the signals to that process.
If the
argument is negative, send the signals to the process group with the ID
of the absolute value of the argument.
The process may only choose itself or its own process group to receive
signals unless it has the
.B CAP_KILL
capability or an effective UID of 0.
For further details, see the description of
.BR F_SETOWN
in
.BR fcntl (2).
.TP
.B FIOASYNC
Change the