Manual page for KILLPG(2)
killpg - send signal to a process group
SYNOPSIS
int 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 real or effective user
ID
of the sending process must match the real or saved set-user
ID
of the receiving process, unless the effective user
ID
of the sending process is super-user.
A single exception is the signal
SIGCONT,
which may always be sent to any descendant of the current process.
RETURN VALUES
killpg()
returns:
- 0
-
on success.
- -1
-
on failure and sets
errno
to indicate the error.
ERRORS
killpg()
will fail and no signal will be sent if any of
the following occur:
- EINVAL
-
sig
was not a valid signal number.
- EPERM
-
The effective user
ID
of the sending process was not super-user, and neither its real nor
effective user
ID
matched the real or saved set-user
ID
of one or more of the target processes.
- ESRCH
-
No processes were found in the specified process group.
SEE ALSO
kill.2v
getpgrp.2v
sigvec.2
Created by unroff & hp-tools.
© somebody (See intro for details). All Rights Reserved.
Last modified 11/5/97
