xref: /onnv-gate/usr/src/lib/libbc/libc/gen/common/on_exit.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate #include <sys/types.h>
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright (c) 1987 by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate char	*malloc();
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate struct handlers {
33*0Sstevel@tonic-gate 	void	(*handler)();
34*0Sstevel@tonic-gate 	caddr_t	arg;
35*0Sstevel@tonic-gate 	struct	handlers *next;
36*0Sstevel@tonic-gate };
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate extern	struct handlers *_exit_handlers;
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate int
41*0Sstevel@tonic-gate on_exit(handler, arg)
42*0Sstevel@tonic-gate 	void (*handler)();
43*0Sstevel@tonic-gate 	caddr_t arg;
44*0Sstevel@tonic-gate {
45*0Sstevel@tonic-gate 	register struct handlers *h =
46*0Sstevel@tonic-gate 	    (struct handlers *)malloc(sizeof (*h));
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	if (h == 0)
49*0Sstevel@tonic-gate 		return (-1);
50*0Sstevel@tonic-gate 	h->handler = handler;
51*0Sstevel@tonic-gate 	h->arg = arg;
52*0Sstevel@tonic-gate 	h->next = _exit_handlers;
53*0Sstevel@tonic-gate 	_exit_handlers = h;
54*0Sstevel@tonic-gate 	return (0);
55*0Sstevel@tonic-gate }
56