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>