elf/tst-tls4.c

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