11573Srgrimes/*
21573Srgrimes * Copyright (c) 1989, 1993
31573Srgrimes *	The Regents of the University of California.  All rights reserved.
41573Srgrimes *
51573Srgrimes * Redistribution and use in source and binary forms, with or without
61573Srgrimes * modification, are permitted provided that the following conditions
71573Srgrimes * are met:
81573Srgrimes * 1. Redistributions of source code must retain the above copyright
91573Srgrimes *    notice, this list of conditions and the following disclaimer.
101573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
111573Srgrimes *    notice, this list of conditions and the following disclaimer in the
121573Srgrimes *    documentation and/or other materials provided with the distribution.
131573Srgrimes * 4. Neither the name of the University nor the names of its contributors
141573Srgrimes *    may be used to endorse or promote products derived from this software
151573Srgrimes *    without specific prior written permission.
161573Srgrimes *
171573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
181573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
191573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
201573Srgrimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
211573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
221573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
231573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
241573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
251573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
261573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
271573Srgrimes * SUCH DAMAGE.
281573Srgrimes */
291573Srgrimes
301573Srgrimes#if defined(LIBC_SCCS) && !defined(lint)
311573Srgrimesstatic char sccsid[] = "@(#)killpg.c	8.1 (Berkeley) 6/2/93";
321573Srgrimes#endif /* LIBC_SCCS and not lint */
3392986Sobrien#include <sys/cdefs.h>
3492986Sobrien__FBSDID("$FreeBSD$");
351573Srgrimes
361573Srgrimes#include <sys/types.h>
371573Srgrimes#include <signal.h>
381573Srgrimes#include <errno.h>
391573Srgrimes
401573Srgrimes/*
411573Srgrimes * Backwards-compatible killpg().
421573Srgrimes */
4317141Sjkhint
441573Srgrimeskillpg(pid_t pgid, int sig)
451573Srgrimes{
461573Srgrimes	if (pgid == 1) {
471573Srgrimes		errno = ESRCH;
481573Srgrimes		return (-1);
491573Srgrimes	}
501573Srgrimes	return (kill(-pgid, sig));
511573Srgrimes}
52