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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)
{
int errs = 0;
void *v;
int flag;
int rank, size;
int base[1024];
MPI_Aint n;
int disp;
MPI_Win win;
MTest_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &size);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
/* Create a window; then extract the values */
n = 1024;
disp = 4;
MPI_Win_create(base, n, disp, MPI_INFO_NULL, MPI_COMM_WORLD, &win);
MPI_Win_get_attr(win, MPI_WIN_BASE, &v, &flag);
if (!flag) {
errs++;
fprintf(stderr, "Could not get WIN_BASE\n");
} else {
/* MPI 2.1, section 11.2.2. v must be a pointer to the start of the
* window. It is not a pointer to a pointer to the start of the window.
*/
if ((int *) v != base) {
errs++;
fprintf(stderr, "Got incorrect value for WIN_BASE (%p, should be %p)", v, base);
}
}
MPI_Win_get_attr(win, MPI_WIN_SIZE, &v, &flag);
if (!flag) {
errs++;
fprintf(stderr, "Could not get WIN_SIZE\n");
} else {
MPI_Aint vval = *(MPI_Aint *) v;
if (vval != n) {
errs++;
fprintf(stderr, "Got wrong value for WIN_SIZE (%ld, should be %ld)\n",
(long) vval, (long) n);
}
}
MPI_Win_get_attr(win, MPI_WIN_DISP_UNIT, &v, &flag);
if (!flag) {
errs++;
fprintf(stderr, "Could not get WIN_DISP_UNIT\n");
} else {
int vval = *(int *) v;
if (vval != disp) {
errs++;
fprintf(stderr, "Got wrong value for WIN_DISP_UNIT (%d, should be %d)\n", vval, disp);
}
}
MPI_Win_free(&win);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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