glibc/sysdeps/posix/killpg.c

39 lines
1.2 KiB
C

/* Copyright (C) 1991, 1993, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <errno.h>
#include <signal.h>
/* Send SIG to all processes in process group PGRP.
If PGRP is zero, send SIG to all processes in
the current process's process group. */
int
killpg (pgrp, sig)
__pid_t pgrp;
int sig;
{
if (pgrp < 0)
{
__set_errno (EINVAL);
return -1;
}
return __kill (- pgrp, sig);
}