source: mainline/uspace/srv/fs/locfs/locfs.c@ 4979403

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 4979403 was 4979403, checked in by Jakub Jermar <jakub@…>, 14 years ago

Allow more instances of the same FS to be used.
(Thanks to Maurizio Lombardi.)

  • Property mode set to 100644
File size: 2.8 KB
Line 
1/*
2 * Copyright (c) 2009 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup fs
30 * @{
31 */
32
33/**
34 * @file locfs.c
35 * @brief Location-service file system.
36 *
37 * Every service registered with location service is represented as a file in this
38 * file system.
39 */
40
41#include <stdio.h>
42#include <ipc/services.h>
43#include <ns.h>
44#include <async.h>
45#include <errno.h>
46#include <task.h>
47#include <libfs.h>
48#include "locfs.h"
49#include "locfs_ops.h"
50
51#define NAME "locfs"
52
53static vfs_info_t locfs_vfs_info = {
54 .name = NAME,
55 .concurrent_read_write = false,
56 .write_retains_size = false,
57 .instance = 0,
58};
59
60int main(int argc, char *argv[])
61{
62 printf("%s: HelenOS Device Filesystem\n", NAME);
63
64 if (argc == 3) {
65 if (!str_cmp(argv[1], "--instance"))
66 locfs_vfs_info.instance = strtol(argv[2], NULL, 10);
67 else {
68 printf(NAME " Unrecognized parameters");
69 return -1;
70 }
71 }
72
73
74 if (!locfs_init()) {
75 printf("%s: failed to initialize locfs\n", NAME);
76 return -1;
77 }
78
79 async_sess_t *vfs_sess = service_connect_blocking(EXCHANGE_SERIALIZE,
80 SERVICE_VFS, 0, 0);
81 if (!vfs_sess) {
82 printf("%s: Unable to connect to VFS\n", NAME);
83 return -1;
84 }
85
86 int rc = fs_register(vfs_sess, &locfs_vfs_info, &locfs_ops,
87 &locfs_libfs_ops);
88 if (rc != EOK) {
89 printf("%s: Failed to register file system (%d)\n", NAME, rc);
90 return rc;
91 }
92
93 printf("%s: Accepting connections\n", NAME);
94 task_retval(0);
95 async_manager();
96
97 /* Not reached */
98 return 0;
99}
100
101/**
102 * @}
103 */
104
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