elf/tst-dlmopen2.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <gnu/lib-names.h>
   5 #include <ldsodefs.h>
   6
   7
   8 static int
   9 do_test (void)
  10 {
  11   int result = 0;
  12
  13   for (int i = 1; i <= 10; ++i)
  14     {
  15       void *h[DL_NNS - 1];
  16       char used[DL_NNS];
  17
  18       printf ("round %d\n", i);
  19
  20       memset (used, '\0', sizeof (used));
  21       used[LM_ID_BASE] = 1;
  22
  23       for (int j = 0; j < DL_NNS - 1; ++j)
  24         {
  25           h[j] = dlmopen (LM_ID_NEWLM, "$ORIGIN/tst-dlmopen1mod.so",
  26                           RTLD_LAZY);
  27           if (h[j] == NULL)
  28             {
  29               printf ("round %d, namespace %d: load failed: %s\n",
  30                       i, j, dlerror ());
  31               return 1;
  32             }
  33           Lmid_t ns;
  34           if (dlinfo (h[j], RTLD_DI_LMID, &ns) != 0)
  35             {
  36               printf ("round %d, namespace %d: dlinfo failed: %s\n",
  37                       i, j, dlerror ());
  38               return 1;
  39             }
  40           if (ns < 0 || ns >= DL_NNS)
  41             {
  42               printf ("round %d, namespace %d: invalid namespace %ld",
  43                       i, j, (long int) ns);
  44               result = 1;
  45             }
  46           else if (used[ns] != 0)
  47             {
  48               printf ("\
  49 round %d, namespace %d: duplicate allocate of namespace %ld",
  50                       i, j, (long int) ns);
  51               result = 1;
  52             }
  53           else
  54             used[ns] = 1;
  55         }
  56
  57       for (int j = 0; j < DL_NNS - 1; ++j)
  58         if (dlclose (h[j]) != 0)
  59           {
  60             printf ("round %d, namespace %d: close failed: %s\n",
  61                     i, j, dlerror ());
  62             return 1;
  63           }
  64     }
  65
  66   return result;
  67 }
  68
  69 #include <support/test-driver.c>