1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
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. |
8 | |
9 | In addition to the permissions in the GNU Lesser General Public |
10 | License, the Free Software Foundation gives you unlimited |
11 | permission to link the compiled version of this file with other |
12 | programs, and to distribute those programs without any restriction |
13 | coming from the use of this file. (The GNU Lesser General Public |
14 | License restrictions do apply in other respects; for example, they |
15 | cover modification of the file, and distribution when not linked |
16 | into another program.) |
17 | |
18 | Note that people who make modified versions of this file are not |
19 | obligated to grant this special exception for their modified |
20 | versions; it is their choice whether to do so. The GNU Lesser |
21 | General Public License gives permission to release a modified |
22 | version without this exception; this exception also makes it |
23 | possible to release a modified version which carries forward this |
24 | exception. |
25 | |
26 | The GNU C Library is distributed in the hope that it will be useful, |
27 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
28 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
29 | Lesser General Public License for more details. |
30 | |
31 | You should have received a copy of the GNU Lesser General Public |
32 | License along with the GNU C Library; if not, see |
33 | <http://www.gnu.org/licenses/>. */ |
34 | |
35 | #include <stdlib.h> |
36 | #include "exit.h" |
37 | |
38 | |
39 | /* This is defined by newer gcc version unique for each module. */ |
40 | extern void *__dso_handle __attribute__ ((__weak__)); |
41 | |
42 | |
43 | /* Register FUNC to be executed by `quick_exit'. */ |
44 | int |
45 | attribute_hidden |
46 | at_quick_exit (void (*func) (void)) |
47 | { |
48 | return __cxa_at_quick_exit ((void (*) (void *)) func, |
49 | &__dso_handle == NULL ? NULL : __dso_handle); |
50 | } |
51 | |