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   void *m;
  12
  13   /* Open the library.  */
  14   handle = dlopen (NULL, RTLD_NOW);
  15   if (handle == NULL)
  16     {
  17       puts ("Cannot get handle to own object");
  18       return;
  19     }
  20
  21   /* Get a symbol.  */
  22   m = dlsym (handle, "main");
  23   puts ("called dlsym() to get main");
  24
  25   dlclose (handle);
  26 }