source: trunk/libs/mini-libc/stat.h @ 449

Last change on this file since 449 was 449, checked in by alain, 4 years ago

Introduce several missing user libs.

File size: 3.8 KB
Line 
1/*
2 * stat.h - User side file stat related syscalls definition.
3 *
4 * Author     Alain Greiner (2016,2017,2018)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef _STAT_H_
25#define _STAT_H_
26
27/*****************************************************************************************
28 * This file defines the stat related library.
29 * All these functions make a system call to access kernel structures.
30 * The user/kernel shared structures and mnemonics are defined in
31 * the <syscalls/shared_include/shared_stat.h> file.
32 ****************************************************************************************/
33
34#include <shared_stat.h>
35
36/*****************************************************************************************
37 * This function creates a new directory in file system.
38 *****************************************************************************************
39 * @ pathname   : pathname (can be relative or absolute).
40 * @ mode       : access rights (as defined in chmod).
41 * @ return 0 if success / returns -1 if failure.
42 ****************************************************************************************/
43int mkdir( const char * pathname,
44           int          mode );
45
46/*****************************************************************************************
47 * This function creates a named FIFO file in the calling thread cluster.
48 * The associated read and write file descriptors mut be be  explicitely created
49 * using the open() system call.
50 *****************************************************************************************
51 * @ pathname   : pathname (can be relative or absolute).
52 * @ mode       : access rights (as defined in chmod).
53 * @ return 0 if success / returns -1 if failure.
54 ****************************************************************************************/
55int mkfifo( const char * pathname,
56            int          mode );
57
58/*****************************************************************************************
59 * This function change the acces rights for the file/dir identified by the
60 * pathname argument.
61 *****************************************************************************************
62 * @ pathname   : pathname (can be relative or absolute).
63 * @ rights     : acces rights.
64 * @ return 0 if success / returns -1 if failure.
65 ****************************************************************************************/
66int chmod( char     * pathname,
67           unsigned int   rights );
68
69/*****************************************************************************************
70 * This function  returns in the <stat> structure, defined in the "shared_syscalls.h"
71 * file, various informations on the file/directory identified by the <pathname> argument.
72 *****************************************************************************************
73 * @ pathname  : user pointer on file pathname.
74 * @ stat      : user pointer on the stat structure.
75 * @ returns O if success / returns -1 if failure.
76 ****************************************************************************************/
77int stat( const char  * pathname,
78          struct stat * stat );
79#endif /* _SYS_STAT_H_ */
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