1/* Copyright (C) 1999-2020 Free Software Foundation, Inc. 2 3 NOTE: This source is derived from an old version taken from the GNU C 4 Library (glibc). 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under 9the terms of the GNU General Public License as published by the Free 10Software Foundation; either version 3, or (at your option) any later 11version. 12 13GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14WARRANTY; without even the implied warranty of MERCHANTABILITY or 15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16for more details. 17 18Under Section 7 of GPL version 3, you are granted additional 19permissions described in the GCC Runtime Library Exception, version 203.1, as published by the Free Software Foundation. 21 22You should have received a copy of the GNU General Public License and 23a copy of the GCC Runtime Library Exception along with this program; 24see 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. */ 32extern void *__dso_handle __attribute__ ((__weak__)); 33 34 35/* Register FUNC to be executed by `exit'. */ 36int 37#ifndef atexit 38attribute_hidden 39#endif 40atexit (void (*func) (void)) 41{ 42 return __cxa_atexit ((void (*) (void *)) func, NULL, 43 &__dso_handle == NULL ? NULL : __dso_handle); 44} 45