]>
Commit | Line | Data |
---|---|---|
f7a9f785 | 1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
c84142e8 | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
c84142e8 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
c84142e8 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 RM |
17 | |
18 | #ifndef _EXIT_H | |
5107cf1d | 19 | #define _EXIT_H 1 |
28f540f4 | 20 | |
610e67ed | 21 | #include <stdbool.h> |
a92b1166 | 22 | #include <stdint.h> |
c41041bc UD |
23 | |
24 | enum | |
25 | { | |
26 | ef_free, /* `ef_free' MUST be zero! */ | |
27 | ef_us, | |
28 | ef_on, | |
29 | ef_at, | |
5ef50d00 | 30 | ef_cxa |
c41041bc UD |
31 | }; |
32 | ||
28f540f4 RM |
33 | struct exit_function |
34 | { | |
c41041bc UD |
35 | /* `flavour' should be of type of the `enum' above but since we need |
36 | this element in an atomic operation we have to use `long int'. */ | |
37 | long int flavor; | |
28f540f4 RM |
38 | union |
39 | { | |
ba1ffaa1 | 40 | void (*at) (void); |
28f540f4 RM |
41 | struct |
42 | { | |
ba1ffaa1 UD |
43 | void (*fn) (int status, void *arg); |
44 | void *arg; | |
28f540f4 | 45 | } on; |
c41041bc UD |
46 | struct |
47 | { | |
5ef50d00 | 48 | void (*fn) (void *arg, int status); |
c41041bc UD |
49 | void *arg; |
50 | void *dso_handle; | |
51 | } cxa; | |
28f540f4 RM |
52 | } func; |
53 | }; | |
54 | struct exit_function_list | |
55 | { | |
56 | struct exit_function_list *next; | |
57 | size_t idx; | |
58 | struct exit_function fns[32]; | |
59 | }; | |
aa32f798 | 60 | extern struct exit_function_list *__exit_funcs attribute_hidden; |
610e67ed | 61 | extern struct exit_function_list *__quick_exit_funcs attribute_hidden; |
28f540f4 | 62 | |
610e67ed | 63 | extern struct exit_function *__new_exitfn (struct exit_function_list **listp); |
a92b1166 | 64 | extern uint64_t __new_exitfn_called attribute_hidden; |
28f540f4 | 65 | |
610e67ed | 66 | extern void __run_exit_handlers (int status, struct exit_function_list **listp, |
eec4b454 UD |
67 | bool run_list_atexit) |
68 | attribute_hidden __attribute__ ((__noreturn__)); | |
610e67ed UD |
69 | |
70 | extern int __internal_atexit (void (*func) (void *), void *arg, void *d, | |
71 | struct exit_function_list **listp) | |
72 | attribute_hidden; | |
eec4b454 | 73 | extern int __cxa_at_quick_exit (void (*func) (void *), void *d); |
610e67ed UD |
74 | |
75 | ||
28f540f4 | 76 | #endif /* exit.h */ |