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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2006 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpi.h"
#include "mpitestconf.h"
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "mpitest.h"
static int ncalls = 0;
void efn(MPI_File * fh, int *code, ...);
void efn(MPI_File * fh, int *code, ...)
{
ncalls++;
*code = MPI_SUCCESS;
}
int main(int argc, char *argv[])
{
MPI_File fh;
MPI_Errhandler eh;
char filename[10];
int errs = 0, rc;
MTest_Init(&argc, &argv);
/* Test that the default error handler is errors return for files */
strncpy(filename, "t1", sizeof(filename));
rc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_RDWR, MPI_INFO_NULL, &fh);
if (!rc) {
errs++;
printf("Did not get error from open for writing without CREATE\n");
}
/* Test that we can change the default error handler by changing
* the error handler on MPI_FILE_NULL. */
MPI_File_create_errhandler(efn, &eh);
MPI_File_set_errhandler(MPI_FILE_NULL, eh);
MPI_Errhandler_free(&eh);
rc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_RDWR, MPI_INFO_NULL, &fh);
if (rc) {
errs++;
printf("Returned error from open (should have called error handler instead)\n");
}
if (ncalls != 1) {
errs++;
printf
("Did not invoke error handler when opening a non-existent file for writing and reading (without MODE_CREATE)\n");
}
/* Find out how many errors we saw */
MTest_Finalize(errs);
MPI_Finalize();
return 0;
}
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