1: #include <dlfcn.h>
    2: #include <stdio.h>
    3: #include <stdlib.h>
    4: 
    5: extern int bar (void);
    6: extern int baz (void);
    7: extern int foo (void);
    8: extern void __attribute__ ((__constructor__)) init (void);
    9: 
   10: void *h;
   11: 
   12: int
   13: foo (void)
   14: {
   15:   return 42 + bar ();
   16: }
   17: 
   18: int
   19: baz (void)
   20: {
   21:   return -21;
   22: }
   23: 
   24: 
   25: void
   26: __attribute__ ((__constructor__))
   27: init (void)
   28: {
   29:   h = dlopen ("constload3.so", RTLD_GLOBAL | RTLD_LAZY);
   30:   if (h == NULL)
   31:     {
   32:       puts ("failed to load constload3");
   33:       exit (1);
   34:     }
   35:   else
   36:     puts ("succeeded loading constload3");
   37: }
   38: 
   39: static void
   40: __attribute__ ((__destructor__))
   41: fini (void)
   42: {
   43:   if (dlclose (h) != 0)
   44:     {
   45:       puts ("failed to unload constload3");
   46:       exit (1);
   47:     }
   48:   else
   49:     puts ("succeeded unloading constload3");
   50: }