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/* { dg-do link } */

/* { dg-options "-std=c++0x" } */

/* { dg-final { simulate-thread } } */

/* Test that atomic int and atomic char work properly.  */

using namespace std;

#include 

#include 

#include 

#include "simulate-thread.h"

atomic atomi;

atomic atomc;

/* No need for parallel threads to do anything */

void simulate_thread_other_threads()

{

}

/* Verify after every instruction is executed, that the atmoic int and

   char have one of the 2 legitimate values. */

int simulate_thread_step_verify()

{

  if (atomi != 0 && atomi != INT_MAX)

    {

      printf ("FAIL: invalid intermediate result for atomi (%d).\n",

              (int)atomi);

      return 1;

    }

  if (atomc != 0 && atomc != CHAR_MAX)

    {

      printf ("FAIL: invalid intermediate result for atomc (%d).\n",

              (int)atomc);

      return 1;

    }

  return 0;

}

/* Verify that both atmoics have the corerct value.  */

int simulate_thread_final_verify()

{

  if (atomi != INT_MAX)

    {

      printf ("FAIL: invalid final result for atomi (%d).\n",

              (int)atomi);

      return 1;

    }

  if (atomc != CHAR_MAX)

    {

      printf ("FAIL: invalid final result for atomc (%d).\n",

              (int)atomc);

      return 1;

    }

  return 0;

}

/* Test a store to an atomic int and an atomic char. */

__attribute__((noinline))

void simulate_thread_main()

{

  atomi = INT_MAX;

  atomc = CHAR_MAX;

}

int main ()

{

  simulate_thread_main();

  simulate_thread_done();

  return 0;

}