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[glibc/history.git] / sysdeps / posix / killpg.c
blob7a5b6fd3bf5e1a32f72f4b89b87088c28a94059f
1 /* Copyright (C) 1991, 1993, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <signal.h>
23 /* Send SIG to all processes in process group PGRP.
24 If PGRP is zero, send SIG to all processes in
25 the current process's process group. */
26 int
27 killpg (pgrp, sig)
28 __pid_t pgrp;
29 int sig;
31 if (pgrp < 0)
33 __set_errno (EINVAL);
34 return -1;
37 return __kill (- pgrp, sig);