glibc/dlfcn/modcxaatexit.c

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/* Copyright (C) 2001-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <dso_handle.h>
extern void fluffy (void *p);
extern void bar (void *p);
int global;
void
fluffy (void *p)
{
printf ("This is %s\n", __FUNCTION__);
*(int *) p = global = 1;
}
void
bar (void *p)
{
printf ("This is %s\n", __FUNCTION__);
__cxa_atexit (fluffy, p, __dso_handle);
}