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
|
/**
* @file
*
* @brief Memfile Operations Tables
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "imfs.h"
static int IMFS_stat_file(
const rtems_filesystem_location_info_t *loc,
struct stat *buf
)
{
const IMFS_file_t *file = loc->node_access;
buf->st_size = file->File.size;
buf->st_blksize = imfs_rq_memfile_bytes_per_block;
return IMFS_stat( loc, buf );
}
static const rtems_filesystem_file_handlers_r IMFS_memfile_handlers = {
.open_h = rtems_filesystem_default_open,
.close_h = rtems_filesystem_default_close,
.read_h = memfile_read,
.write_h = memfile_write,
.ioctl_h = rtems_filesystem_default_ioctl,
.lseek_h = rtems_filesystem_default_lseek_file,
.fstat_h = IMFS_stat_file,
.ftruncate_h = memfile_ftruncate,
.fsync_h = rtems_filesystem_default_fsync_or_fdatasync_success,
.fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync_success,
.fcntl_h = rtems_filesystem_default_fcntl,
.kqfilter_h = rtems_filesystem_default_kqfilter,
.poll_h = rtems_filesystem_default_poll,
.readv_h = rtems_filesystem_default_readv,
.writev_h = rtems_filesystem_default_writev
};
static const rtems_filesystem_file_handlers_r IMFS_linfile_handlers = {
.open_h = IMFS_linfile_open,
.close_h = rtems_filesystem_default_close,
.read_h = IMFS_linfile_read,
.write_h = rtems_filesystem_default_write,
.ioctl_h = rtems_filesystem_default_ioctl,
.lseek_h = rtems_filesystem_default_lseek_file,
.fstat_h = IMFS_stat_file,
.ftruncate_h = rtems_filesystem_default_ftruncate,
.fsync_h = rtems_filesystem_default_fsync_or_fdatasync_success,
.fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync_success,
.fcntl_h = rtems_filesystem_default_fcntl,
.kqfilter_h = rtems_filesystem_default_kqfilter,
.poll_h = rtems_filesystem_default_poll,
.readv_h = rtems_filesystem_default_readv,
.writev_h = rtems_filesystem_default_writev
};
const IMFS_mknod_control IMFS_mknod_control_memfile = {
{
.handlers = &IMFS_memfile_handlers,
.node_initialize = IMFS_node_initialize_default,
.node_remove = IMFS_node_remove_default,
.node_destroy = IMFS_memfile_remove
},
.node_size = sizeof( IMFS_file_t )
};
const IMFS_node_control IMFS_node_control_linfile = {
.handlers = &IMFS_linfile_handlers,
.node_initialize = IMFS_node_initialize_default,
.node_remove = IMFS_node_remove_default,
.node_destroy = IMFS_node_destroy_default
};
|