elf/unload7.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 int
   5 main (void)
   6 {
   7   void *h = dlopen ("$ORIGIN/unload7mod1.so", RTLD_LAZY);
   8   if (h == NULL)
   9     {
  10       puts ("dlopen unload7mod1.so failed");
  11       return 1;
  12     }
  13
  14   int (*fn) (void);
  15   fn = dlsym (h, "foo");
  16   if (fn == NULL)
  17     {
  18       puts ("dlsym failed");
  19       return 1;
  20     }
  21
  22   int ret = 0;
  23   if (fn () == 0)
  24     ++ret;
  25
  26   void *h2 = dlopen ("$ORIGIN/unload7mod2.so", RTLD_LAZY);
  27   if (h2 == NULL)
  28     {
  29       puts ("dlopen unload7mod2.so failed");
  30       return 1;
  31     }
  32   dlclose (h2);
  33
  34   if (fn () == 0)
  35     ++ret;
  36
  37   dlclose (h);
  38   return ret;
  39 }