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bfff8b1b | 1 | /* Copyright (C) 1991-2017 Free Software Foundation, Inc. |
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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 | |
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32 | License along with the GNU C Library; if not, see |
33 | <http://www.gnu.org/licenses/>. */ | |
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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 | |
eec4b454 | 45 | attribute_hidden |
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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 | } |