1 /* $OpenBSD: atexit.h,v 1.7 2007/09/03 14:40:16 millert Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Daniel Hartmeier 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 #include <sys/cdefs.h> 34 35 struct atexit { 36 struct atexit *next; /* next in list */ 37 int ind; /* next index in this table */ 38 int max; /* max entries >= ATEXIT_SIZE */ 39 struct atexit_fn { 40 union { 41 void (*std_func)(void); 42 void (*cxa_func)(void *); 43 } fn_ptr; 44 void *fn_arg; /* argument for CXA callback */ 45 void *fn_dso; /* shared module handle */ 46 } fns[1]; /* the table itself */ 47 }; 48 49 __BEGIN_DECLS 50 51 extern int __atexit_invalid; 52 extern struct atexit *__atexit; /* points to head of LIFO stack */ 53 54 int __cxa_atexit(void (*)(void *), void *, void *); 55 void __cxa_finalize(void *); 56 57 __END_DECLS 58