Consolidate off_t/off64_t syscall argument passing
[glibc.git] / dlfcn / tstatexit.c
blobe5850564e810ddaea263f0adf0fce48e55b7a45c
1 /* Copyright (C) 2001-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <dlfcn.h>
19 #include <stdio.h>
20 #include <stdlib.h>
23 extern void *__dso_handle __attribute__ ((__weak__));
25 int
26 main (void)
28 const char fname[] = "modatexit.so";
29 void *h;
30 void (*fp) (void *);
31 int v = 0;
33 if (&__dso_handle == NULL)
35 puts ("__dso_handle not available, cannot perform the test");
36 exit (0);
39 h = dlopen (fname, RTLD_NOW);
40 if (h == NULL)
42 printf ("cannot open \"%s\": %s\n", fname, dlerror ());
43 exit (1);
46 fp = dlsym (h, "foo");
47 if (fp == NULL)
49 printf ("cannot find \"foo\": %s\n", dlerror ());
50 exit (1);
53 fp (&v);
55 if (dlclose (h) != 0)
57 printf ("cannot close \"%s\": %s\n", fname, dlerror ());
58 exit (1);
61 if (v != 1)
63 puts ("module unload didn't change `v'");
64 exit (1);
67 puts ("finishing now");
69 return 0;