root / prex-0.9.0 / include / ipc / fs.h @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*
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2 | * Copyright (c) 2005-2008, Kohsuke Ohtani
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | #ifndef _IPC_FS_H
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31 | #define _IPC_FS_H
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32 | |||
33 | #include <sys/types.h> |
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34 | #include <sys/dirent.h> |
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35 | #include <sys/stat.h> |
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36 | #include <sys/fcntl.h> |
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37 | #include <sys/ioctl.h> |
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38 | #include <ipc/ipc.h> |
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39 | |||
40 | #include <limits.h> |
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41 | |||
42 | /*
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43 | * Messages for file system object
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44 | */
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45 | #define FS_MOUNT 0x00000200 |
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46 | #define FS_UMOUNT 0x00000201 |
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47 | #define FS_SYNC 0x00000202 |
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48 | #define FS_OPEN 0x00000203 |
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49 | #define FS_CLOSE 0x00000204 |
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50 | #define FS_MKNOD 0x00000205 |
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51 | #define FS_LSEEK 0x00000206 |
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52 | #define FS_READ 0x00000207 |
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53 | #define FS_WRITE 0x00000208 |
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54 | #define FS_IOCTL 0x00000209 |
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55 | #define FS_FSYNC 0x0000020A |
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56 | #define FS_FSTAT 0x0000020B |
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57 | #define FS_OPENDIR 0x0000020C |
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58 | #define FS_CLOSEDIR 0x0000020D |
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59 | #define FS_READDIR 0x0000020E |
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60 | #define FS_REWINDDIR 0x0000020F |
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61 | #define FS_SEEKDIR 0x00000210 |
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62 | #define FS_TELLDIR 0x00000211 |
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63 | #define FS_MKDIR 0x00000212 |
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64 | #define FS_RMDIR 0x00000213 |
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65 | #define FS_RENAME 0x00000214 |
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66 | #define FS_CHDIR 0x00000215 |
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67 | #define FS_LINK 0x00000216 |
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68 | #define FS_UNLINK 0x00000217 |
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69 | #define FS_STAT 0x00000218 |
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70 | #define FS_GETCWD 0x00000219 |
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71 | #define FS_DUP 0x0000021A |
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72 | #define FS_DUP2 0x0000021B |
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73 | #define FS_FCNTL 0x0000021C |
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74 | #define FS_ACCESS 0x0000021D |
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75 | #define FS_FORK 0x0000021E |
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76 | #define FS_EXEC 0x0000021F |
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77 | #define FS_EXIT 0x00000220 |
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78 | #define FS_REGISTER 0x00000221 |
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79 | #define FS_PIPE 0x00000222 |
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80 | #define FS_ISATTY 0x00000223 |
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81 | #define FS_TRUNCATE 0x00000224 |
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82 | #define FS_FTRUNCATE 0x00000225 |
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83 | #define FS_FCHDIR 0x00000226 |
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84 | |||
85 | /*
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86 | * Mount message
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87 | */
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88 | struct mount_msg {
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89 | struct msg_header hdr; /* message header */ |
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90 | char dev[PATH_MAX]; /* mount device */ |
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91 | char dir[PATH_MAX]; /* mount directory */ |
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92 | char fs[16]; /* file system name */ |
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93 | int flags; /* mount flags */ |
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94 | char data[64]; /* file system specific data */ |
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95 | }; |
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96 | |||
97 | /*
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98 | * File open message
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99 | */
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100 | struct open_msg {
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101 | struct msg_header hdr; /* message header */ |
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102 | int flags; /* open flag */ |
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103 | mode_t mode; /* open mode */
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104 | char path[PATH_MAX]; /* open file */ |
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105 | int fd; /* file descriptor */ |
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106 | }; |
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107 | |||
108 | /*
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109 | * I/O request message
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110 | */
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111 | struct io_msg {
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112 | struct msg_header hdr; /* message header */ |
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113 | int fd; /* file descriptor */ |
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114 | char *buf; /* i/o buffer */ |
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115 | size_t size; /* read/write size */
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116 | }; |
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117 | |||
118 | /*
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119 | * File stat message
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120 | */
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121 | struct stat_msg {
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122 | struct msg_header hdr; /* message header */ |
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123 | int fd; /* file descriptor */ |
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124 | char path[PATH_MAX]; /* open file */ |
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125 | struct stat st;
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126 | }; |
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127 | |||
128 | /*
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129 | * Path management message
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130 | */
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131 | struct path_msg {
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132 | struct msg_header hdr; /* message header */ |
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133 | int fd; /* file descriptor */ |
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134 | char path[PATH_MAX];
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135 | char path2[PATH_MAX];
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136 | int data[4]; |
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137 | }; |
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138 | |||
139 | /*
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140 | * Directory management message
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141 | */
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142 | struct dir_msg {
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143 | struct msg_header hdr; /* message header */ |
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144 | int fd; /* file descriptor */ |
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145 | struct dirent dirent; /* directory entry */ |
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146 | }; |
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147 | |||
148 | /*
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149 | * IO cotrol message
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150 | */
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151 | struct ioctl_msg {
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152 | struct msg_header hdr; /* message header */ |
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153 | int fd; /* file descriptor */ |
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154 | u_long request; /* io control command */
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155 | char buf[IOCPARM_MAX]; /* parameter buffer */ |
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156 | }; |
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157 | |||
158 | /*
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159 | * File control message
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160 | */
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161 | struct fcntl_msg {
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162 | struct msg_header hdr; /* message header */ |
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163 | int fd; /* file descriptor */ |
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164 | int cmd; /* command */ |
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165 | int arg; /* argument */ |
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166 | struct flock lock; /* file lock data */ |
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167 | }; |
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168 | |||
169 | |||
170 | /* Max size of fs message */
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171 | #define MAX_FSMSG sizeof(struct mount_msg) |
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172 | |||
173 | #endif /* !_IPC_FS_H */ |