File: predef_eh.c

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/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include "mpi.h"
#include "mpitest.h"

/* Ensure that setting a user-defined error handler on predefined
 * communicators does not cause a problem at finalize time.  Regression
 * test for ticket #1591 */

static void errf(MPI_Comm * comm, int *ec)
{
    /* do nothing */
}

int main(int argc, char **argv)
{
    MPI_Errhandler errh;
    int wrank;
    MTest_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &wrank);
    MPI_Comm_create_errhandler((MPI_Comm_errhandler_function *) errf, &errh);
    MPI_Comm_set_errhandler(MPI_COMM_WORLD, errh);
    MPI_Comm_set_errhandler(MPI_COMM_SELF, errh);
    MPI_Errhandler_free(&errh);
    MTest_Finalize(0);
    return 0;
}