1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2001 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpi.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define VERBOSE 0
/* tests if error message is printed correctly */
int main(int argc, char **argv)
{
int i, rank, len, err;
int errs = 0;
char *filename, *tmp;
MPI_File fh;
char string[MPI_MAX_ERROR_STRING];
MPI_Init(&argc,&argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
#if VERBOSE
if (!rank) {
fprintf(stderr, "Tests if errors are reported correctly...\n");
fprintf(stderr, "Should say \"Invalid displacement argument\"\n\n");
}
#endif
/* process 0 takes the file name as a command-line argument and
broadcasts it to other processes */
if (!rank) {
i = 1;
while ((i < argc) && strcmp("-fname", *argv)) {
i++;
argv++;
}
if (i >= argc) {
fprintf(stderr, "\n*# Usage: simple -fname filename\n\n");
MPI_Abort(MPI_COMM_WORLD, 1);
}
argv++;
len = strlen(*argv);
filename = (char *) malloc(len+10);
strcpy(filename, *argv);
MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
}
else {
MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
filename = (char *) malloc(len+10);
MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
}
/* each process opens a separate file called filename.'myrank' */
tmp = (char *) malloc(len+10);
strcpy(tmp, filename);
sprintf(filename, "%s.%d", tmp, rank);
err = MPI_File_open(MPI_COMM_SELF, filename, MPI_MODE_CREATE+MPI_MODE_RDWR,
MPI_INFO_NULL, &fh);
err = MPI_File_set_view(fh, -1, MPI_BYTE, MPI_BYTE, "native",
MPI_INFO_NULL);
/* disp is deliberately passed as -1 */
/* This test is designed for ROMIO specifically and tests for a
specific error message */
if (err != MPI_SUCCESS) {
MPI_Error_string(err, string, &len);
if (!rank) {
#if VERBOSE
fprintf(stderr, "%s\n", string);
#else
/* check for the word "displacement" in the message.
This allows other formatting of the message */
if (strstr( string, "displacement" ) == 0) {
fprintf( stderr, "Unexpected error message %s\n", string );
errs++;
}
#endif
}
}
else {
errs++;
fprintf( stderr, "File set view did not return an error\n" );
}
MPI_File_close(&fh);
free(filename);
free(tmp);
if (!rank) {
if (errs == 0) {
printf( " No Errors\n" );
}
else {
printf( " Found %d errors\n", errs );
}
}
MPI_Finalize();
return 0;
}
|
