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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include <mpi.h>
#include <mpitest.h>
int main(int argc, char *argv[])
{
MPI_Win win;
int flag, tmp, rank;
int base[1024], errs = 0;
MPI_Request req;
MTest_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Win_create(base, 1024 * sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &win);
if (rank == 0) {
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, 0, 0, win);
MPI_Barrier(MPI_COMM_WORLD);
MPI_Barrier(MPI_COMM_WORLD);
MPI_Win_unlock(0, win);
} else {
MPI_Barrier(MPI_COMM_WORLD);
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, 0, 0, win);
MPI_Rput(&tmp, 1, MPI_INT, 0, 0, 1, MPI_INT, win, &req);
MPI_Test(&req, &flag, MPI_STATUS_IGNORE);
MPI_Barrier(MPI_COMM_WORLD);
MPI_Win_unlock(0, win);
}
MPI_Win_free(&win);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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