#include <stdio.h>
#include <mpi.h>
#include "mcs-lock.h"

#define N 5

int main(int argc, char *argv[])
{
    int i;
    int rank, size;
    MPI_Win win;

    MPI_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    MPI_Comm_size(MPI_COMM_WORLD, &size);
    /* printf("rank: %d, size: %d\n", rank, size); */

    MCSLockInit(MPI_COMM_WORLD, &win);

    for (i = 0; i < N; i++) {
        MCSLockAcquire(win);
        printf("rank %d aquired lock\n", rank);
        MCSLockRelease(win);
    }

    printf("Done\n");

    MCSLockFinalize(win);

    MPI_Win_free(&win);
    MPI_Finalize();
    return 0;
}