xref: /csrg-svn/lib/libc/compat-43/killpg.c (revision 46600)
139106Skarels /*
239106Skarels  * Copyright (c) 1989 The Regents of the University of California.
339106Skarels  * All rights reserved.
439106Skarels  *
542619Sbostic  * %sccs.include.redist.c%
639106Skarels  */
739106Skarels 
839106Skarels #if defined(LIBC_SCCS) && !defined(lint)
9*46600Sbostic static char sccsid[] = "@(#)killpg.c	5.3 (Berkeley) 02/24/91";
1039106Skarels #endif /* LIBC_SCCS and not lint */
1139106Skarels 
1239106Skarels #include <sys/types.h>
13*46600Sbostic #include <signal.h>
14*46600Sbostic #include <errno.h>
1539106Skarels 
1639106Skarels /*
1739106Skarels  * Backwards-compatible killpg().
1839106Skarels  */
19*46600Sbostic #if __STDC__
20*46600Sbostic killpg(pid_t pgid, int sig)
21*46600Sbostic #else
2239106Skarels killpg(pgid, sig)
2339106Skarels 	pid_t pgid;
2439106Skarels 	int sig;
25*46600Sbostic #endif
2639106Skarels {
2739106Skarels 	if (pgid == 1) {
2839106Skarels 		errno = ESRCH;
2939106Skarels 		return (-1);
3039106Skarels 	}
3139106Skarels 	return (kill(-pgid, sig));
3239106Skarels }
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