xref: /csrg-svn/lib/libc/compat-43/killpg.c (revision 39106)
1*39106Skarels /*
2*39106Skarels  * Copyright (c) 1989 The Regents of the University of California.
3*39106Skarels  * All rights reserved.
4*39106Skarels  *
5*39106Skarels  * Redistribution and use in source and binary forms are permitted
6*39106Skarels  * provided that the above copyright notice and this paragraph are
7*39106Skarels  * duplicated in all such forms and that any documentation,
8*39106Skarels  * advertising materials, and other materials related to such
9*39106Skarels  * distribution and use acknowledge that the software was developed
10*39106Skarels  * by the University of California, Berkeley.  The name of the
11*39106Skarels  * University may not be used to endorse or promote products derived
12*39106Skarels  * from this software without specific prior written permission.
13*39106Skarels  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14*39106Skarels  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15*39106Skarels  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16*39106Skarels  */
17*39106Skarels 
18*39106Skarels #if defined(LIBC_SCCS) && !defined(lint)
19*39106Skarels static char sccsid[] = "@(#)killpg.c	5.1 (Berkeley) 09/10/89";
20*39106Skarels #endif /* LIBC_SCCS and not lint */
21*39106Skarels 
22*39106Skarels #include <sys/types.h>
23*39106Skarels #include <sys/errno.h>
24*39106Skarels 
25*39106Skarels /*
26*39106Skarels  * Backwards-compatible killpg().
27*39106Skarels  */
28*39106Skarels killpg(pgid, sig)
29*39106Skarels 	pid_t pgid;
30*39106Skarels 	int sig;
31*39106Skarels {
32*39106Skarels 	extern int errno;
33*39106Skarels 
34*39106Skarels 	if (pgid == 1) {
35*39106Skarels 		errno = ESRCH;
36*39106Skarels 		return (-1);
37*39106Skarels 	}
38*39106Skarels 	return (kill(-pgid, sig));
39*39106Skarels }
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