usr/src/lib/libbc/libc/gen/common/exit.c

   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
  30 struct handlers {
  31         void    (*handler)();
  32         caddr_t arg;
  33         struct  handlers *next;
  34 };
  35
  36 extern  void _cleanup();
  37
  38 /* the list of handlers and their arguments */
  39 struct  handlers *_exit_handlers;
  40
  41 /*
  42  * exit -- do termination processing, then evaporate process
  43  */
  44 void
  45 exit(code)
  46         int code;
  47 {
  48         register struct handlers *h;
  49
  50         while (h = _exit_handlers) {
  51                 _exit_handlers = h->next;
  52                 (*h->handler)(code, h->arg);
  53         }
  54         _cleanup();
  55         _exit(code);
  56 }