Annotation of prex-old/include/server/fs.h, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2005-2006, Kohsuke Ohtani
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: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: #ifndef _SRV_FS_H
31: #define _SRV_FS_H
32:
33: #include <sys/types.h>
34: #include <sys/dirent.h>
35: #include <sys/stat.h>
36: #include <sys/fcntl.h>
37: #include <sys/ioctl.h>
38: #include <prex/message.h>
39:
40: #include <limits.h>
41:
42: /*
43: * Messages for file system object
44: */
45: #define FS_MOUNT 0x00000200
46: #define FS_UMOUNT 0x00000201
47: #define FS_SYNC 0x00000202
48: #define FS_OPEN 0x00000203
49: #define FS_CLOSE 0x00000204
50: #define FS_MKNOD 0x00000205
51: #define FS_LSEEK 0x00000206
52: #define FS_READ 0x00000207
53: #define FS_WRITE 0x00000208
54: #define FS_IOCTL 0x00000209
55: #define FS_FSYNC 0x0000020A
56: #define FS_FSTAT 0x0000020B
57: #define FS_OPENDIR 0x0000020C
58: #define FS_CLOSEDIR 0x0000020D
59: #define FS_READDIR 0x0000020E
60: #define FS_REWINDDIR 0x0000020F
61: #define FS_SEEKDIR 0x00000210
62: #define FS_TELLDIR 0x00000211
63: #define FS_MKDIR 0x00000212
64: #define FS_RMDIR 0x00000213
65: #define FS_RENAME 0x00000214
66: #define FS_CHDIR 0x00000215
67: #define FS_LINK 0x00000216
68: #define FS_UNLINK 0x00000217
69: #define FS_STAT 0x00000218
70: #define FS_GETCWD 0x00000219
71: #define FS_DUP 0x0000021A
72: #define FS_DUP2 0x0000021B
73: #define FS_FCNTL 0x0000021C
74: #define FS_ACCESS 0x0000021D
75: #define FS_FORK 0x0000021E
76: #define FS_EXEC 0x0000021F
77: #define FS_EXIT 0x00000220
78: #define FS_REGISTER 0x00000221
79:
80: /*
81: * Mount message
82: */
83: struct mount_msg {
84: struct msg_header hdr; /* message header */
85: char dev[PATH_MAX]; /* mount device */
86: char dir[PATH_MAX]; /* mount directory */
87: char fs[16]; /* file system name */
88: int flags; /* mount flags */
89: char data[64]; /* file system specific data */
90: };
91:
92: /*
93: * File open message
94: */
95: struct open_msg {
96: struct msg_header hdr; /* message header */
97: int flags; /* open flag */
98: mode_t mode; /* open mode */
99: char path[PATH_MAX]; /* open file */
100: int fd; /* file descriptor */
101: };
102:
103: /*
104: * I/O request message
105: */
106: struct io_msg {
107: struct msg_header hdr; /* message header */
108: int fd; /* file descriptor */
109: char *buf; /* i/o buffer */
110: size_t size; /* read/write size */
111: };
112:
113: /*
114: * File stat message
115: */
116: struct stat_msg {
117: struct msg_header hdr; /* message header */
118: int fd; /* file descriptor */
119: char path[PATH_MAX]; /* open file */
120: struct stat st;
121: };
122:
123: /*
124: * Path management message
125: */
126: struct path_msg {
127: struct msg_header hdr; /* message header */
128: int fd; /* file descriptor */
129: char path[PATH_MAX];
130: char path2[PATH_MAX];
131: int data[4];
132: };
133:
134: /*
135: * Directory management message
136: */
137: struct dir_msg {
138: struct msg_header hdr; /* message header */
139: int fd; /* file descriptor */
140: struct dirent dirent; /* directory entry */
141: };
142:
143: /*
144: * IO cotrol message
145: */
146: struct ioctl_msg {
147: struct msg_header hdr; /* message header */
148: int fd; /* file descriptor */
149: int request; /* io control command */
150: char buf[IOCPARM_MAX]; /* parameter buffer */
151: };
152:
153: /*
154: * File control message
155: */
156: struct fcntl_msg {
157: struct msg_header hdr; /* message header */
158: int fd; /* file descriptor */
159: int cmd; /* command */
160: int arg; /* argument */
161: struct flock lock; /* file lock data */
162: };
163:
164:
165: #define MAX_FSMSG sizeof(struct mount_msg)
166:
167: #endif /* !_SRV_FS_H */
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