elf/tst-tls4.c

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