File: [local] / prex-old / include / server / fs.h (download)
Revision 1.1.1.1 (vendor branch), Tue Jun 3 09:38:44 2008 UTC (16 years ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_7_BASE, HEAD Branch point for: PREX_0_8_BASE
Changes since 1.1: +0 -0 lines
Yeah, this is an initial import of Prex, portable real-time microkernel
operating system. I wanna hack it for non-profit but fun, so let it in.
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/*
* Copyright (c) 2005-2006, Kohsuke Ohtani
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SRV_FS_H
#define _SRV_FS_H
#include <sys/types.h>
#include <sys/dirent.h>
#include <sys/stat.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <prex/message.h>
#include <limits.h>
/*
* Messages for file system object
*/
#define FS_MOUNT 0x00000200
#define FS_UMOUNT 0x00000201
#define FS_SYNC 0x00000202
#define FS_OPEN 0x00000203
#define FS_CLOSE 0x00000204
#define FS_MKNOD 0x00000205
#define FS_LSEEK 0x00000206
#define FS_READ 0x00000207
#define FS_WRITE 0x00000208
#define FS_IOCTL 0x00000209
#define FS_FSYNC 0x0000020A
#define FS_FSTAT 0x0000020B
#define FS_OPENDIR 0x0000020C
#define FS_CLOSEDIR 0x0000020D
#define FS_READDIR 0x0000020E
#define FS_REWINDDIR 0x0000020F
#define FS_SEEKDIR 0x00000210
#define FS_TELLDIR 0x00000211
#define FS_MKDIR 0x00000212
#define FS_RMDIR 0x00000213
#define FS_RENAME 0x00000214
#define FS_CHDIR 0x00000215
#define FS_LINK 0x00000216
#define FS_UNLINK 0x00000217
#define FS_STAT 0x00000218
#define FS_GETCWD 0x00000219
#define FS_DUP 0x0000021A
#define FS_DUP2 0x0000021B
#define FS_FCNTL 0x0000021C
#define FS_ACCESS 0x0000021D
#define FS_FORK 0x0000021E
#define FS_EXEC 0x0000021F
#define FS_EXIT 0x00000220
#define FS_REGISTER 0x00000221
/*
* Mount message
*/
struct mount_msg {
struct msg_header hdr; /* message header */
char dev[PATH_MAX]; /* mount device */
char dir[PATH_MAX]; /* mount directory */
char fs[16]; /* file system name */
int flags; /* mount flags */
char data[64]; /* file system specific data */
};
/*
* File open message
*/
struct open_msg {
struct msg_header hdr; /* message header */
int flags; /* open flag */
mode_t mode; /* open mode */
char path[PATH_MAX]; /* open file */
int fd; /* file descriptor */
};
/*
* I/O request message
*/
struct io_msg {
struct msg_header hdr; /* message header */
int fd; /* file descriptor */
char *buf; /* i/o buffer */
size_t size; /* read/write size */
};
/*
* File stat message
*/
struct stat_msg {
struct msg_header hdr; /* message header */
int fd; /* file descriptor */
char path[PATH_MAX]; /* open file */
struct stat st;
};
/*
* Path management message
*/
struct path_msg {
struct msg_header hdr; /* message header */
int fd; /* file descriptor */
char path[PATH_MAX];
char path2[PATH_MAX];
int data[4];
};
/*
* Directory management message
*/
struct dir_msg {
struct msg_header hdr; /* message header */
int fd; /* file descriptor */
struct dirent dirent; /* directory entry */
};
/*
* IO cotrol message
*/
struct ioctl_msg {
struct msg_header hdr; /* message header */
int fd; /* file descriptor */
int request; /* io control command */
char buf[IOCPARM_MAX]; /* parameter buffer */
};
/*
* File control message
*/
struct fcntl_msg {
struct msg_header hdr; /* message header */
int fd; /* file descriptor */
int cmd; /* command */
int arg; /* argument */
struct flock lock; /* file lock data */
};
#define MAX_FSMSG sizeof(struct mount_msg)
#endif /* !_SRV_FS_H */