elf/unload6.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 int
   5 main (void)
   6 {
   7   void *h = dlopen ("unload6mod1.so", RTLD_LAZY);
   8   if (h == NULL)
   9     {
  10       puts ("dlopen unload6mod1.so failed");
  11       return 1;
  12     }
  13
  14   int (*fn) (int);
  15   fn = dlsym (h, "foo");
  16   if (fn == NULL)
  17     {
  18       puts ("dlsym failed");
  19       return 1;
  20     }
  21
  22   int val = fn (16);
  23   if (val != 24)
  24     {
  25       printf ("foo returned %d != 24\n", val);
  26       return 1;
  27     }
  28
  29   return 0;
  30 }