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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2014 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpi.h"
#include <stdio.h>
#include <stdlib.h>
#include "mpitest.h"
int main(int argc, char **argv)
{
int rank, size, rc, ec, errs = 0;
int flag = 1;
MPI_Comm dup, shrunk;
MPI_Init(&argc, &argv);
MPI_Comm_dup(MPI_COMM_WORLD, &dup);
MPI_Comm_rank(dup, &rank);
MPI_Comm_size(dup, &size);
MPI_Comm_set_errhandler(dup, MPI_ERRORS_RETURN);
if (size < 4) {
fprintf(stderr, "Must run with at least 4 processes\n");
MPI_Abort(dup, 1);
}
if (2 == rank)
exit(EXIT_FAILURE);
if (MPI_SUCCESS == (rc = MPIX_Comm_agree(dup, &flag))) {
MPI_Error_class(rc, &ec);
fprintf(stderr, "[%d] Expected MPIX_ERR_PROC_FAILED after agree. Received: %d\n", rank, ec);
errs++;
MPI_Abort(dup, 1);
}
if (MPI_SUCCESS != (rc = MPIX_Comm_shrink(dup, &shrunk))) {
MPI_Error_class(rc, &ec);
fprintf(stderr, "[%d] Expected MPI_SUCCESS after shrink. Received: %d\n", rank, ec);
errs++;
MPI_Abort(dup, 1);
}
if (MPI_SUCCESS != (rc = MPIX_Comm_agree(shrunk, &flag))) {
MPI_Error_class(rc, &ec);
fprintf(stderr, "[%d] Expected MPI_SUCCESS after agree. Received: %d\n", rank, ec);
errs++;
MPI_Abort(dup, 1);
}
MPI_Comm_free(&shrunk);
MPI_Comm_free(&dup);
if (0 == rank) {
if (errs)
fprintf(stdout, " Found %d errors\n", errs);
else
fprintf(stdout, " No errors\n");
}
MPI_Finalize();
}
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