elf/unload8.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 int
   5 main (void)
   6 {
   7   void *h = dlopen ("$ORIGIN/unload8mod1.so", RTLD_LAZY);
   8   if (h == NULL)
   9     {
  10       puts ("dlopen unload8mod1.so failed");
  11       return 1;
  12     }
  13
  14   void *h2 = dlopen ("$ORIGIN/unload8mod1x.so", RTLD_LAZY);
  15   if (h2 == NULL)
  16     {
  17       puts ("dlopen unload8mod1x.so failed");
  18       return 1;
  19     }
  20   dlclose (h2);
  21
  22   int (*mod1) (void) = dlsym (h, "mod1");
  23   if (mod1 == NULL)
  24     {
  25       puts ("dlsym failed");
  26       return 1;
  27     }
  28
  29   mod1 ();
  30   dlclose (h);
  31
  32   return 0;
  33 }