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
|
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* Copyright (C) 2004 University of Chicago.
* See COPYRIGHT notice in top-level directory.
*/
#include "ad_panfs.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
void ADIOI_PANFS_WriteContig(ADIO_File fd, const void *buf, int count,
MPI_Datatype datatype, int file_ptr_type,
ADIO_Offset offset, ADIO_Status *status,
int *error_code)
{
MPI_Count err = -1, datatype_size, len;
static char myname[] = "ADIOI_PANFS_WRITECONTIG";
MPI_Type_size_x(datatype, &datatype_size);
len = datatype_size * count;
if (file_ptr_type == ADIO_INDIVIDUAL) {
offset = fd->fp_ind;
}
if (fd->fp_sys_posn != offset) {
err = lseek(fd->fd_sys, offset, SEEK_SET);
/* --BEGIN ERROR HANDLING-- */
if (err == -1) {
*error_code = MPIO_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
myname, __LINE__,
MPI_ERR_IO, "**io",
"**io %s", strerror(errno));
fd->fp_sys_posn = -1;
return;
}
/* --END ERROR HANDLING-- */
}
AD_PANFS_RETRY(write(fd->fd_sys, buf, len),err)
/* --BEGIN ERROR HANDLING-- */
if (err == -1) {
*error_code = MPIO_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
myname, __LINE__,
MPI_ERR_IO, "**io",
"**io %s", strerror(errno));
fd->fp_sys_posn = -1;
return;
}
/* --END ERROR HANDLING-- */
fd->fp_sys_posn = offset + err;
if (file_ptr_type == ADIO_INDIVIDUAL) {
fd->fp_ind += err;
}
#ifdef HAVE_STATUS_SET_BYTES
if (err != -1 && status) MPIR_Status_set_bytes(status, datatype, err);
#endif
*error_code = MPI_SUCCESS;
}
|
