[apple/libc.git] / compat-43 / FreeBSD / killpg.c

/*
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)killpg.c	8.1 (Berkeley) 6/2/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/compat-43/killpg.c,v 1.5 2007/01/09 00:27:49 imp Exp $");

#include <sys/types.h>
#include <signal.h>
#include <errno.h>

int __kill(pid_t pid, int sig, int posix);

#if __DARWIN_UNIX03
#define	_PID1ERR	EPERM
#define	_POSIXKILL	1
#else	/* !__DARWIN_UNIX03 */
#define	_PID1ERR	ESRCH
#define	_POSIXKILL	0
#endif	/* !__DARWIN_UNIX03 */

/*
 * Backwards-compatible killpg().
 */
int
killpg(pid_t pgid, int sig)
{
	if (pgid == 1) {
		errno = _PID1ERR;
		return (-1);
	}
	return (__kill(-pgid, sig, _POSIXKILL));
}
Commit	Line	Data
e9ce8d39	1	/*
9385eb3d	2	* Copyright (c) 1989, 1993
e9ce8d39 A	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
e9ce8d39 A	13	* 4. Neither the name of the University nor the names of its contributors
	14	* may be used to endorse or promote products derived from this software
	15	* without specific prior written permission.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	18	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	19	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	20	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	21	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	22	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	23	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	24	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	25	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	26	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	27	* SUCH DAMAGE.
	28	*/
	29
5b2abdfb	30	#if defined(LIBC_SCCS) && !defined(lint)
9385eb3d	31	static char sccsid[] = "@(#)killpg.c 8.1 (Berkeley) 6/2/93";
5b2abdfb	32	#endif /* LIBC_SCCS and not lint */
9385eb3d	33	#include <sys/cdefs.h>
1f2f436a	34	__FBSDID("$FreeBSD: src/lib/libc/compat-43/killpg.c,v 1.5 2007/01/09 00:27:49 imp Exp $");
e9ce8d39	35
9385eb3d A	36	#include <sys/types.h>
	37	#include <signal.h>
	38	#include <errno.h>
e9ce8d39	39
ad3c9f2a A	40	int __kill(pid_t pid, int sig, int posix);
	41
	42	#if __DARWIN_UNIX03
	43	#define _PID1ERR EPERM
	44	#define _POSIXKILL 1
	45	#else /* !__DARWIN_UNIX03 */
	46	#define _PID1ERR ESRCH
	47	#define _POSIXKILL 0
	48	#endif /* !__DARWIN_UNIX03 */
	49
e9ce8d39	50	/*
9385eb3d	51	* Backwards-compatible killpg().
e9ce8d39	52	*/
9385eb3d A	53	int
9385eb3d A	54	killpg(pid_t pgid, int sig)
e9ce8d39	55	{
9385eb3d	56	if (pgid == 1) {
ad3c9f2a	57	errno = _PID1ERR;
9385eb3d A	58	return (-1);
9385eb3d A	59	}
ad3c9f2a	60	return (__kill(-pgid, sig, _POSIXKILL));
e9ce8d39	61	}