11.10Skre/*	$NetBSD: killpg.c,v 1.10 2024/07/14 05:10:40 kre Exp $	*/
21.5Schristos
31.1Scgd/*
41.6Sperry * Copyright (c) 1989, 1993
51.6Sperry *	The Regents of the University of California.  All rights reserved.
61.1Scgd *
71.1Scgd * Redistribution and use in source and binary forms, with or without
81.1Scgd * modification, are permitted provided that the following conditions
91.1Scgd * are met:
101.1Scgd * 1. Redistributions of source code must retain the above copyright
111.1Scgd *    notice, this list of conditions and the following disclaimer.
121.1Scgd * 2. Redistributions in binary form must reproduce the above copyright
131.1Scgd *    notice, this list of conditions and the following disclaimer in the
141.1Scgd *    documentation and/or other materials provided with the distribution.
151.8Sagc * 3. Neither the name of the University nor the names of its contributors
161.1Scgd *    may be used to endorse or promote products derived from this software
171.1Scgd *    without specific prior written permission.
181.1Scgd *
191.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
201.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
211.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
221.1Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
231.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
241.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
251.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
261.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
271.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
281.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
291.1Scgd * SUCH DAMAGE.
301.1Scgd */
311.1Scgd
321.5Schristos#include <sys/cdefs.h>
331.1Scgd#if defined(LIBC_SCCS) && !defined(lint)
341.5Schristos#if 0
351.6Sperrystatic char sccsid[] = "@(#)killpg.c	8.1 (Berkeley) 6/2/93";
361.5Schristos#else
371.10Skre__RCSID("$NetBSD: killpg.c,v 1.10 2024/07/14 05:10:40 kre Exp $");
381.5Schristos#endif
391.1Scgd#endif /* LIBC_SCCS and not lint */
401.1Scgd
411.9Skamil#include "namespace.h"
421.9Skamil
431.1Scgd#include <sys/types.h>
441.1Scgd#include <signal.h>
451.1Scgd#include <errno.h>
461.10Skre#include <limits.h>
471.1Scgd
481.1Scgd/*
491.1Scgd * Backwards-compatible killpg().
501.1Scgd */
511.4Sjtcint
521.1Scgdkillpg(pid_t pgid, int sig)
531.1Scgd{
541.10Skre	if (pgid == 1 || pgid <= INT_MIN) {
551.1Scgd		errno = ESRCH;
561.1Scgd		return (-1);
571.1Scgd	}
581.1Scgd	return (kill(-pgid, sig));
591.1Scgd}
60