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cbe34bb5 | 1 | /* Copyright (C) 1999-2017 Free Software Foundation, Inc. |
3dee689d DE |
2 | |
3 | NOTE: This source is derived from an old version taken from the GNU C | |
4 | Library (glibc). | |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it under | |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 3, or (at your option) any later | |
11 | version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
17 | ||
18 | Under Section 7 of GPL version 3, you are granted additional | |
19 | permissions described in the GCC Runtime Library Exception, version | |
20 | 3.1, as published by the Free Software Foundation. | |
21 | ||
22 | You should have received a copy of the GNU General Public License and | |
23 | a copy of the GCC Runtime Library Exception along with this program; | |
24 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
25 | <http://www.gnu.org/licenses/>. */ | |
26 | ||
27 | #include <stdlib.h> | |
28 | #include "exit.h" | |
29 | ||
30 | ||
31 | /* This is defined by newer gcc version unique for each module. */ | |
32 | extern void *__dso_handle __attribute__ ((__weak__)); | |
33 | ||
34 | ||
35 | /* Register FUNC to be executed by `exit'. */ | |
36 | int | |
37 | #ifndef atexit | |
38 | attribute_hidden | |
39 | #endif | |
40 | atexit (void (*func) (void)) | |
41 | { | |
42 | return __cxa_atexit ((void (*) (void *)) func, NULL, | |
43 | &__dso_handle == NULL ? NULL : __dso_handle); | |
44 | } |