107 строки
2.6 KiB
C
107 строки
2.6 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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/*
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* (C) 2001 by Argonne National Laboratory.
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* See COPYRIGHT in top-level directory.
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*/
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#include "mpi.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#define VERBOSE 0
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/* tests if error message is printed correctly */
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int main(int argc, char **argv)
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{
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int i, rank, len, err;
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int errs = 0;
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char *filename, *tmp;
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MPI_File fh;
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char string[MPI_MAX_ERROR_STRING];
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MPI_Init(&argc,&argv);
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MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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#if VERBOSE
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if (!rank) {
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fprintf(stderr, "Tests if errors are reported correctly...\n");
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fprintf(stderr, "Should say \"Invalid displacement argument\"\n\n");
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}
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#endif
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/* process 0 takes the file name as a command-line argument and
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broadcasts it to other processes */
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if (!rank) {
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i = 1;
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while ((i < argc) && strcmp("-fname", *argv)) {
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i++;
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argv++;
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}
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if (i >= argc) {
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fprintf(stderr, "\n*# Usage: simple -fname filename\n\n");
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MPI_Abort(MPI_COMM_WORLD, 1);
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}
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argv++;
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len = strlen(*argv);
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filename = (char *) malloc(len+10);
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strcpy(filename, *argv);
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MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
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MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
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}
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else {
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MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
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filename = (char *) malloc(len+10);
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MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
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}
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/* each process opens a separate file called filename.'myrank' */
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tmp = (char *) malloc(len+10);
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strcpy(tmp, filename);
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sprintf(filename, "%s.%d", tmp, rank);
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err = MPI_File_open(MPI_COMM_SELF, filename, MPI_MODE_CREATE+MPI_MODE_RDWR,
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MPI_INFO_NULL, &fh);
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err = MPI_File_set_view(fh, -1, MPI_BYTE, MPI_BYTE, "native",
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MPI_INFO_NULL);
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/* disp is deliberately passed as -1 */
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/* This test is designed for ROMIO specifically and tests for a
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specific error message */
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if (err != MPI_SUCCESS) {
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MPI_Error_string(err, string, &len);
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if (!rank) {
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#if VERBOSE
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fprintf(stderr, "%s\n", string);
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#else
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/* check for the word "displacement" in the message.
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This allows other formatting of the message */
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if (strstr( string, "displacement" ) == 0) {
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fprintf( stderr, "Unexpected error message %s\n", string );
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errs++;
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}
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#endif
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}
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}
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else {
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errs++;
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fprintf( stderr, "File set view did not return an error\n" );
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}
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MPI_File_close(&fh);
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free(filename);
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free(tmp);
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if (!rank) {
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if (errs == 0) {
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printf( " No Errors\n" );
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}
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else {
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printf( " Found %d errors\n", errs );
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}
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}
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MPI_Finalize();
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return 0;
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}
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