Subversion Repositories HelenOS

Rev

Rev 2742 | Rev 2758 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2645 jermar 1
/*
2693 jermar 2
 * Copyright (c) 2008 Jakub Jermar
2645 jermar 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
#ifndef TMPFS_TMPFS_H_
34
#define TMPFS_TMPFS_H_
35
 
36
#include <ipc/ipc.h>
37
#include <libfs.h>
38
#include <atomic.h>
39
#include <sys/types.h>
40
#include <bool.h>
2658 jermar 41
#include <libadt/hash_table.h>
2645 jermar 42
 
43
#define dprintf(...)    printf(__VA_ARGS__)
44
 
45
typedef struct tmpfs_dentry {
2658 jermar 46
    unsigned long index;    /**< TMPFS node index. */
47
    link_t dh_link;     /**< Dentries hash table link. */
2645 jermar 48
    struct tmpfs_dentry *parent;
49
    struct tmpfs_dentry *sibling;
50
    struct tmpfs_dentry *child;
51
    char *name;
2655 jermar 52
    enum {
53
        TMPFS_NONE,
54
        TMPFS_FILE,
55
        TMPFS_DIRECTORY
56
    } type;
2756 jermar 57
    unsigned lnkcnt;    /**< Link count. */
2655 jermar 58
    size_t size;        /**< File size if type is TMPFS_FILE. */
59
    void *data;     /**< File content's if type is TMPFS_FILE. */
2645 jermar 60
} tmpfs_dentry_t;
61
 
62
extern fs_reg_t tmpfs_reg;
63
 
64
extern void tmpfs_lookup(ipc_callid_t, ipc_call_t *);
2658 jermar 65
extern void tmpfs_read(ipc_callid_t, ipc_call_t *);
2666 jermar 66
extern void tmpfs_write(ipc_callid_t, ipc_call_t *);
2693 jermar 67
extern void tmpfs_truncate(ipc_callid_t, ipc_call_t *);
2742 jermar 68
extern void tmpfs_destroy(ipc_callid_t, ipc_call_t *);
2645 jermar 69
 
70
#endif
71
 
72
/**
73
 * @}
74
 */