elf/tst-dlmopen1mod.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3 #include <gnu/lib-names.h>
   4
   5
   6 int
   7 foo (Lmid_t ns2)
   8 {
   9   void *h = dlopen (LIBC_SO, RTLD_LAZY|RTLD_NOLOAD);
  10   if (h == NULL)
  11     {
  12       printf ("cannot get handle for %s: %s\n", LIBC_SO, dlerror ());
  13       return 1;
  14     }
  15
  16   Lmid_t ns = -10;
  17   if (dlinfo (h, RTLD_DI_LMID, &ns) != 0)
  18     {
  19       printf ("dlinfo for %s in %s failed: %s\n",
  20               LIBC_SO, __func__, dlerror ());
  21       return 1;
  22     }
  23
  24   if (ns != ns2)
  25     {
  26       printf ("namespace for %s not LM_ID_BASE\n", LIBC_SO);
  27       return 1;
  28     }
  29
  30   if (dlclose (h) != 0)
  31     {
  32       printf ("dlclose for %s in %s failed: %s\n",
  33               LIBC_SO, __func__, dlerror ());
  34       return 1;
  35     }
  36
  37   return 0;
  38 }