#include<stdlib.h>
#include<stdio.h>
#include<omp.h>

int main(){

#ifdef   _OPENMP
  printf("\nKompilator rozpoznaje dyrektywy OpenMP\n");
//  omp_lock_t writelock;
//  omp_init_lock(&writelock);
  omp_set_num_threads(5);
#endif

  int liczba_watkow;

  int a_shared = 1;
  int b_private = 2;
  int c_firstprivate = 3;
  int e_atomic=5;

  static int f_threadprivate;


  printf("przed wejsciem do obszaru rownoleglego -  nr_threads %d, thread ID %d\n",
     omp_get_num_threads(), omp_get_thread_num());
  printf("\ta_shared \t= %d\n", a_shared);
  printf("\tb_private \t= %d\n", b_private);
  printf("\tc_firstprivate \t= %d\n", c_firstprivate);
  printf("\te_atomic \t= %d\n", e_atomic);


#pragma omp parallel default(none) shared(a_shared, e_atomic) private(b_private) firstprivate(c_firstprivate)
  {
    int i;
    int d_local_private;
#pragma threadprivate(f_threadprivate)
    f_threadprivate = omp_get_thread_num();

#pragma omp critrical
{
    d_local_private = a_shared + c_firstprivate;

}

#pragma omp barrier
#pragma omp critical
{
// omp_set_lock(&writelock);
    for(i=0;i<10;i++){
      a_shared ++;
    }
// omp_set_lock(&writelock);
}

    for(i=0;i<10;i++){
      c_firstprivate += omp_get_thread_num();
    }

    for(i=0;i<10;i++){
#pragma omp atomic
      e_atomic+=omp_get_thread_num();
    }

#pragma omp barrier
#pragma omp critical
    {

//#pragma threadprivate(f_threadprivate)
     printf("\nf_threadprivate: %d", f_threadprivate);


      printf("\nw obszarze równoległym: aktualna liczba watkow %d, moj ID %d\n",
         omp_get_num_threads(), omp_get_thread_num());

      printf("\ta_shared \t= %d\n", a_shared);
      printf("\tb_private \t= %d\n", b_private);
      printf("\tc_firstprivate \t= %d\n", c_firstprivate);
      printf("\td_local_private = %d\n", d_local_private);
      printf("\te_atomic \t= %d\n", e_atomic);

    }

    //#pragma omp single
/* #pragma omp master */
/*         { */

/*           printf("\ninside single: nr_threads %d, thread ID %d\n", */
/*           omp_get_num_threads(), omp_get_thread_num()); */
/*           /\* Get environment information *\/ */
/*           int procs = omp_get_num_procs(); */
/*           int nthreads = omp_get_num_threads(); */
/*           int maxt = omp_get_max_threads(); */
/*           int inpar = omp_in_parallel(); */
/*           int dynamic = omp_get_dynamic(); */
/*           int nested = omp_get_nested(); */

/*           /\* Print environment information *\/ */
/*           printf("Number of processors = %d\n", procs); */
/*           printf("Number of threads = %d\n", nthreads); */
/*           printf("Max threads = %d\n", maxt); */
/*           printf("In parallel? = %d\n", inpar); */
/*           printf("Dynamic threads enabled? = %d\n", dynamic); */
/*           printf("Nested parallelism supported? = %d\n", nested); */
/*         } */

  }

//#pragma omp parallel num_threads(7)
//{

//    f_threadprivate = omp_get_thread_num();
//      printf("\nf_threadprivate: %d", f_threadprivate);
//}

  printf("po zakonczeniu obszaru rownoleglego:\n");
  printf("\ta_shared \t= %d\n", a_shared);
  printf("\tb_private \t= %d\n", b_private);
  printf("\tc_firstprivate \t= %d\n", c_firstprivate);
  printf("\te_atomic \t= %d\n", e_atomic);
//  omp_set_lock(&writelock);
}