1  #include <stdio.h>
       2  
       3  
       4  extern int in_dso (int n, int *caller_foop);
       5  
       6  extern __thread int foo;
       7  __thread int comm_n;
       8  
       9  
      10  
      11  
      12  int
      13  in_dso2 (void)
      14  {
      15    int *foop;
      16    int result = 0;
      17    static int n;
      18    int *np;
      19  
      20    puts ("foo");			/* Make sure PLT is used before macros.  */
      21    asm ("" ::: "memory");
      22  
      23    foop = &foo;
      24    np = &comm_n;
      25  
      26    if (n != *np)
      27      {
      28        printf ("n = %d != comm_n = %d\n", n, *np);
      29        result = 1;
      30      }
      31  
      32    result |= in_dso (*foop = 42 + n++, foop);
      33  
      34    *foop = 16;
      35  
      36    return result;
      37  }