# include # include " sthread .h" static void go( int n); # define NTHREADS 10 static sthread_t threads [ NTHREADS ]; int main ( int argc , char ** argv ) { int i;

long exitValue; for (i = 0; i < NTHREADS ; i ++){ sthread create(&( threads [i ]), &go , i ); } for (i = 0; i < NTHREADS ; i ++){ long ret = sthread join( threads [i ]); printf (" Thread %d returned %ld ", i , ret ); } printf (" Main thread done . "); return 0; } void go( int n) { printf (" Hello from thread %d ", n); sthread exit (100 + n);

}

The procedure main() has local variables such as I and exitValue. Are these variables per thread or shared state? Where does the compiler store these variables' states?