[Prir] OpenMP Barier

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

#define MAX_NT 4

void
thread_work(int id)
{
    clock_t t1, t2;

    printf("Watek %d zaczyna prace...\n", id - 1);

    t1 = clock();

    do {
        t2 = clock();
    }
    while ((((double)t2 - t1) / CLOCKS_PER_SEC) < id);
}

int
main(void)
{
    int id;

    #pragma omp parallel num_threads(MAX_NT) private(id)
    {
        id = omp_get_thread_num();
        thread_work(id + 1);
        printf("Watek %d zakonczyl prace i czeka przy barierze...\n", id);

        #pragma omp barrier

        printf("Watek %d juz poza bariera.\n", id);
    }

    printf("Nacisnij dowolny klawisz....");
    getchar();

    return 0;
}