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