uclibc-ng-test/test/tls/tst-tlsmod3.c

#include <stdio.h>

#ifdef USE_TLS
# include "tls-macros.h"

extern int in_dso (int n, int *caller_foop);

COMMON_INT_DEF(comm_n);




int
in_dso2 (void)
{
  int *foop;
  int result = 0;
  static int n;
  int *np;

  puts ("foo");			/* Make sure PLT is used before macros.  */
  __asm__ ("" ::: "memory");

  foop = TLS_GD (foo);
  np = TLS_GD (comm_n);

  if (n != *np)
    {
      printf ("n = %d != comm_n = %d\n", n, *np);
      result = 1;
    }

  result |= in_dso (*foop = 42 + n++, foop);

  *foop = 16;

  return result;
}
#endif