Name
killpg — send signal to all members of a process
group
Synopsis
#include <signal.h>
int
killpg( |
pid_t |
pgrp, |
|
int |
signal) ; |
DESCRIPTION
The killpg
() function causes
signal signal
to be
sent to all the processes in the process group pgrp
or to the processes' own
process group if pgrp
is equal to zero.
If pgrp
is greater
than 1, it is equivalent to:
RETURN VALUE
The value returned is −1 on error, or 0 for
success.
ERRORS
Errors are returned in errno
and can be one of the following:
- EINVAL
-
for an invalid signal,
- EPERM
-
if the userid of the calling process is not equal to
that of the process the signal is sent to, and the
userid is not that of the superuser.
- ESRCH
-
for a process group which does not exist, and
CONFORMING TO
SUSv2, POSIX.1-2001
SEE ALSO
kill(2), signal(2), sigqueue(2), signal(7)
(c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de)
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Modified Sat Jul 24 19:04:55 1993 by Rik Faith (faith@cs.unc.edu)
Modified 2004-11-11, Michael Kerrisk, <mtk-manpages@gmx.net>
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