dlfcn/failtestmod.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4
   5 extern void constr (void) __attribute__ ((__constructor__));
   6 void
   7 __attribute__ ((__constructor__))
   8 constr (void)
   9 {
  10   void *handle;
  11
  12   /* Open the library.  */
  13   handle = dlopen (NULL, RTLD_NOW);
  14   if (handle == NULL)
  15     {
  16       puts ("Cannot get handle to own object");
  17       return;
  18     }
  19
  20   /* Get a symbol.  */
  21   dlsym (handle, "main");
  22   puts ("called dlsym() to get main");
  23
  24   dlclose (handle);
  25 }