Manual page for KILLPG(2)
killpg - send signal to a process group
SYNOPSIS
killpg(pgrp, sig)
int pgrp, sig;
DESCRIPTION
Killpg
sends the signal
sig
to the process group
pgrp.
See
sigvec.2
for a list of signals.
The sending process and members of the process group must
have the same effective user ID, or
the sender must be the super-user.
As a single special case the continue signal SIGCONT may be sent
to any process that is a descendant of the current process.
RETURN VALUE
Upon successful completion, a value of 0 is returned. Otherwise,
a value of -1 is returned and the global variable errno
is set to indicate the error.
ERRORS
Killpg will fail and no signal will be sent if any of the
following occur:
- [EINVAL]
-
Sig is not a valid signal number.
- [ESRCH]
-
No process can be found in the process group specified by pgrp.
- [ESRCH]
-
The process group was given as 0
but the sending process does not have a process group.
- [EPERM]
-
The sending process is not the super-user and one or more
of the target processes has an effective user ID different from that
of the sending process.
SEE ALSO
kill(2), getpgrp(2), sigvec(2)
Created by unroff & hp-tools.
© somebody (See intro for details). All Rights Reserved.
Last modified 11/5/97
