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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2003 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpi.h"
#include <stdio.h>
#include <stdlib.h>
/*
* This test attempts to MPI_Isend with the destination being a dead process.
* The communication should succeed or report an error. It must not block
* indefinitely.
*/
int main(int argc, char **argv)
{
int rank, size, err, errclass;
char buf[100000];
MPI_Request request;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
if (size < 2) {
fprintf(stderr, "Must run with at least 2 processes\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
if (rank == 1) {
exit(EXIT_FAILURE);
}
if (rank == 0) {
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
err = MPI_Isend(buf, 100000, MPI_CHAR, 1, 0, MPI_COMM_WORLD, &request);
if (err)
fprintf(stderr, "MPI_Isend returned error\n");
err = MPI_Wait(&request, MPI_STATUS_IGNORE);
#if defined (MPICH) && (MPICH_NUMVERSION >= 30100102)
MPI_Error_class(err, &errclass);
if ((err) && (errclass != MPIX_ERR_PROC_FAILED)) {
fprintf(stderr, "Wrong error code (%d) returned. Expected MPIX_ERR_PROC_FAILED\n",
errclass);
}
else {
printf(" No Errors\n");
fflush(stdout);
}
#else
printf(" No Errors\n");
fflush(stdout);
#endif
}
MPI_Finalize();
return 0;
}
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