on_exit.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
/*
* Copyright (c) 1987 by Sun Microsystems, Inc.
*/
char *malloc();
struct handlers {
void (*handler)();
caddr_t arg;
struct handlers *next;
};
extern struct handlers *_exit_handlers;
int
on_exit(handler, arg)
void (*handler)();
caddr_t arg;
{
register struct handlers *h =
(struct handlers *)malloc(sizeof (*h));
if (h == 0)
return (-1);
h->handler = handler;
h->arg = arg;
h->next = _exit_handlers;
_exit_handlers = h;
return (0);
}