1  #include <dlfcn.h>
       2  #include <mcheck.h>
       3  #include <stdio.h>
       4  #include <stdlib.h>
       5  
       6  int
       7  main (void)
       8  {
       9    int i;
      10    void *h1, *h2;
      11  
      12    mtrace ();
      13  
      14    for (i = 0; i < 3; i++)
      15      {
      16        h1 = dlopen ("reldep4mod1.so", RTLD_NOW | RTLD_GLOBAL);
      17        if (h1 == NULL)
      18  	{
      19  	  printf ("cannot open reldep4mod1.so: %s\n", dlerror ());
      20  	  exit (1);
      21  	}
      22        h2 = dlopen ("reldep4mod2.so", RTLD_NOW | RTLD_GLOBAL);
      23        if (h2 == NULL)
      24  	{
      25  	  printf ("cannot open reldep4mod2.so: %s\n", dlerror ());
      26  	  exit (1);
      27  	}
      28        if (dlclose (h1) != 0)
      29  	{
      30  	  printf ("closing h1 failed: %s\n", dlerror ());
      31  	  exit (1);
      32  	}
      33        if (dlclose (h2) != 0)
      34  	{
      35  	  printf ("closing h2 failed: %s\n", dlerror ());
      36  	  exit (1);
      37  	}
      38      }
      39    return 0;
      40  }