1  #include <config.h>
       2  #include <dlfcn.h>
       3  #include <stdio.h>
       4  #include <sys/mman.h>
       5  
       6  static int
       7  do_test (void)
       8  {
       9    void *h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
      10    if (h1 == NULL)
      11      {
      12        puts ("cannot load tst-unique1mod1");
      13        return 1;
      14      }
      15    int *(*f1) (void) = dlsym (h1, "f");
      16    if (f1 == NULL)
      17      {
      18        puts ("cannot locate f in tst-unique1mod1");
      19        return 1;
      20      }
      21    void *h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
      22    if (h2 == NULL)
      23      {
      24        puts ("cannot load tst-unique1mod2");
      25        return 1;
      26      }
      27    int (*f2) (int *) = dlsym (h2, "f");
      28    if (f2 == NULL)
      29      {
      30        puts ("cannot locate f in tst-unique1mod2");
      31        return 1;
      32      }
      33    if (f2 (f1 ()))
      34      {
      35        puts ("f from tst-unique1mod2 failed");
      36        return 1;
      37      }
      38    dlclose (h2);
      39    dlclose (h1);
      40    mmap (NULL, 1024 * 1024 * 16, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
      41    h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
      42    if (h2 == NULL)
      43      {
      44        puts ("cannot load tst-unique1mod2");
      45        return 1;
      46      }
      47    f2 = dlsym (h2, "f");
      48    if (f2 == NULL)
      49      {
      50        puts ("cannot locate f in tst-unique1mod2");
      51        return 1;
      52      }
      53    h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
      54    if (h1 == NULL)
      55      {
      56        puts ("cannot load tst-unique1mod1");
      57        return 1;
      58      }
      59    f1 = dlsym (h1, "f");
      60    if (f1 == NULL)
      61      {
      62        puts ("cannot locate f in tst-unique1mod1");
      63        return 1;
      64      }
      65    if (f2 (f1 ()))
      66      {
      67        puts ("f from tst-unique1mod2 failed");
      68        return 1;
      69      }
      70    return 0;
      71  }
      72  
      73  #include <support/test-driver.c>