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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include <stdlib.h>
#include "mpitest.h"
/*
* This test attempts MPI_Irecv with the source being a dead process. It should fail
* and return an error at completion. If we are testing sufficiently new MPICH, we
* look for the MPIX_ERR_PROC_FAILED error code. These should be converted to look
* for the standardized error code once it is finalized.
*/
int main(int argc, char **argv)
{
int rank, size, err, errclass, toterrs = 0;;
MPI_Request request;
char buf[10];
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_Irecv(buf, 1, MPI_CHAR, 1, 0, MPI_COMM_WORLD, &request);
if (err) {
fprintf(stderr, "MPI_Irecv returned an error");
toterrs++;
}
err = MPI_Wait(&request, MPI_STATUS_IGNORE);
#if defined (MPICH) && (MPICH_NUMVERSION >= 30100102)
MPI_Error_class(err, &errclass);
if (errclass == MPIX_ERR_PROC_FAILED) {
printf(" No Errors\n");
fflush(stdout);
} else {
fprintf(stderr, "Wrong error code (%d) returned. Expected MPIX_ERR_PROC_FAILED\n",
errclass);
toterrs++;
}
#else
if (err) {
printf(" No Errors\n");
fflush(stdout);
} else {
fprintf(stderr, "Program reported MPI_SUCCESS, but an error code was expected.\n");
toterrs++;
}
#endif
}
MPI_Finalize();
return MTestReturnValue(toterrs);
}
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