Merge commit 'origin/master' into fedora/master
[glibc.git] / stdlib / exit.h
blobd5013218a67bd308572e85daa45bc9fb3640765f
1 /* Copyright (C) 1991,1996,1997,1999,2001,2002,2006,2009
2 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #ifndef _EXIT_H
21 #define _EXIT_H 1
23 #include <stdbool.h>
24 #include <stdint.h>
26 enum
28 ef_free, /* `ef_free' MUST be zero! */
29 ef_us,
30 ef_on,
31 ef_at,
32 ef_cxa
35 struct exit_function
37 /* `flavour' should be of type of the `enum' above but since we need
38 this element in an atomic operation we have to use `long int'. */
39 long int flavor;
40 union
42 void (*at) (void);
43 struct
45 void (*fn) (int status, void *arg);
46 void *arg;
47 } on;
48 struct
50 void (*fn) (void *arg, int status);
51 void *arg;
52 void *dso_handle;
53 } cxa;
54 } func;
56 struct exit_function_list
58 struct exit_function_list *next;
59 size_t idx;
60 struct exit_function fns[32];
62 extern struct exit_function_list *__exit_funcs attribute_hidden;
63 extern struct exit_function_list *__quick_exit_funcs attribute_hidden;
65 extern struct exit_function *__new_exitfn (struct exit_function_list **listp);
66 extern uint64_t __new_exitfn_called attribute_hidden;
68 extern void __run_exit_handlers (int status, struct exit_function_list **listp,
69 bool run_list_atexit)
70 attribute_hidden __attribute__ ((__noreturn__));
72 extern int __internal_atexit (void (*func) (void *), void *arg, void *d,
73 struct exit_function_list **listp)
74 attribute_hidden;
75 extern int __cxa_at_quick_exit (void (*func) (void *), void *d);
78 #endif /* exit.h */