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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 communication between 2 running processes
* after another process has failed. The communication should complete
* successfully.
*/
int main(int argc, char **argv)
{
int rank, size, err;
char buf[10];
MPI_Request request;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
if (size < 3) {
fprintf(stderr, "Must run with at least 3 processes\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
if (rank == 1) {
exit(EXIT_FAILURE);
}
if (rank == 0) {
err = MPI_Isend("No Errors", 10, MPI_CHAR, 2, 0, MPI_COMM_WORLD, &request);
err += MPI_Wait(&request, MPI_STATUS_IGNORE);
if (err) {
fprintf(stderr, "An error occurred during the send operation\n");
}
}
if (rank == 2) {
err = MPI_Irecv(buf, 10, MPI_CHAR, 0, 0, MPI_COMM_WORLD, &request);
err += MPI_Wait(&request, MPI_STATUS_IGNORE);
if (err) {
fprintf(stderr, "An error occurred during the recv operation\n");
}
else {
printf(" %s\n", buf);
fflush(stdout);
}
}
MPI_Finalize();
return 0;
}
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