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/* Copyright (C) 2001-2016 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 <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
extern void *__dso_handle __attribute__ ((__weak__));
int
main (void)
{
const char fname[] = "modatexit.so";
void *h;
void (*fp) (void *);
int v = 0;
if (&__dso_handle == NULL)
{
puts ("__dso_handle not available, cannot perform the test");
exit (0);
}
h = dlopen (fname, RTLD_NOW);
if (h == NULL)
{
printf ("cannot open \"%s\": %s\n", fname, dlerror ());
exit (1);
}
fp = dlsym (h, "foo");
if (fp == NULL)
{
printf ("cannot find \"foo\": %s\n", dlerror ());
exit (1);
}
fp (&v);
if (dlclose (h) != 0)
{
printf ("cannot close \"%s\": %s\n", fname, dlerror ());
exit (1);
}
if (v != 1)
{
puts ("module unload didn't change `v'");
exit (1);
}
puts ("finishing now");
return 0;
}
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