Fix compilation of test-signgam-* tests
[glibc.git] / dlfcn / glrefmain.c
blobaa4503f10200dad51f681f51024eaaa13dba4eae
1 /* Test for dependency tracking added by relocations.
2 Copyright (C) 2000-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <dlfcn.h>
20 #include <error.h>
21 #include <errno.h>
22 #include <stdio.h>
23 #include <stdlib.h>
26 static void *
27 load (const char *name)
29 void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL);
30 if (d == NULL)
31 error (EXIT_FAILURE, errno, "cannot load `%s'", name);
32 return d;
36 #define TEST_FUNCTION do_test ()
37 extern int do_test (void);
39 int
40 do_test (void)
42 void *d1;
43 void *d2;
44 int (*f) (void);
46 d1 = load ("glreflib1.so");
47 d2 = load ("glreflib2.so");
49 f = dlsym (d2, "ref2");
50 if (f == NULL)
51 error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2");
53 if (f () != 42)
54 error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2");
56 puts ("Correct result in first call");
57 fflush (stdout);
59 /* Now unload the first file. */
60 dlclose (d1);
62 puts ("About to call the second time");
63 fflush (stdout);
65 /* Try calling the function again. */
66 if (f () != 42)
67 error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2");
69 puts ("Second call succeeded!");
70 fflush (stdout);
72 dlclose (d2);
74 puts ("glreflib2 also closed");
75 fflush (stdout);
77 return 0;
80 #include "../test-skeleton.c"