1 #include <dlfcn.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 
5 
6 static int
do_test(void)7 do_test (void)
8 {
9   static const char modname[] = "tst-tlsmod2.so";
10   int result = 0;
11   int *foop;
12   int *foop2;
13   int (*fp) (int, int *);
14   void *h;
15 
16   h = dlopen (modname, RTLD_LAZY);
17   if (h == NULL)
18     {
19       printf ("cannot open '%s': %s\n", modname, dlerror ());
20       exit (1);
21     }
22 
23   foop = dlsym (h, "foo");
24   if (foop == NULL)
25     {
26       printf ("cannot get symbol 'foo': %s\n", dlerror ());
27       exit (1);
28     }
29 
30   *foop = 42;
31 
32   fp = dlsym (h, "in_dso");
33   if (fp == NULL)
34     {
35       printf ("cannot get symbol 'in_dso': %s\n", dlerror ());
36       exit (1);
37     }
38 
39   result |= fp (42, foop);
40 
41   foop2 = dlsym (h, "foo");
42   if (foop2 == NULL)
43     {
44       printf ("cannot get symbol 'foo' the second time: %s\n", dlerror ());
45       exit (1);
46     }
47 
48   if (foop != foop2)
49     {
50       puts ("address of 'foo' different the second time");
51       result = 1;
52     }
53   else if (*foop != 16)
54     {
55       puts ("foo != 16");
56       result = 1;
57     }
58 
59   dlclose (h);
60 
61   return result;
62 }
63 
64 
65 #include <support/test-driver.c>
66