1 | @c |
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2 | @c COPYRIGHT (c) 1988-1998. |
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3 | @c On-Line Applications Research Corporation (OAR). |
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4 | @c All rights reserved. |
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5 | @c |
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6 | @c $Id$ |
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7 | @c |
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8 | |
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9 | @chapter Input and Output Primitives |
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10 | |
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11 | @section Pipes |
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12 | |
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13 | @subsection Create an Inter-Process Channel |
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14 | |
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15 | @example |
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16 | pipe(), Function, Dummy Implementation |
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17 | @end example |
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18 | |
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19 | @section File Descriptor Manipulation |
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20 | |
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21 | @subsection Duplicate an Open File Descriptor |
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22 | |
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23 | @example |
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24 | dup(), Function, Implemented |
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25 | dup2(), Function, Untested Implementation |
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26 | @end example |
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27 | |
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28 | @section File Descriptor Deassignment |
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29 | |
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30 | @subsection Close a File |
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31 | |
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32 | @example |
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33 | close(), Function, Implemented |
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34 | @end example |
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35 | |
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36 | @section Input and Output |
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37 | |
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38 | @subsection Read from a File |
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39 | |
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40 | @example |
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41 | read(), Function, Implemented |
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42 | @end example |
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43 | |
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44 | @subsection Write to a File |
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45 | |
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46 | @example |
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47 | write(), Function, Implemented |
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48 | @end example |
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49 | |
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50 | @section Control Operations on Files |
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51 | |
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52 | @subsection Data Definitions for File Control Operations |
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53 | |
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54 | @subsection File Control |
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55 | |
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56 | @example |
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57 | struct flock, Type, Unimplemented |
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58 | fcntl(), Function, Implemented |
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59 | F_DUPFD, Constant, Implemented |
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60 | F_GETFD, Constant, Implemented |
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61 | F_GETLK, Constant, Implemented |
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62 | F_SETFD, Constant, Implemented |
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63 | F_GETFL, Constant, Implemented |
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64 | F_SETFL, Constant, Implemented |
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65 | F_SETLK, Constant, Implemented |
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66 | F_SETLKW, Constant, Implemented |
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67 | FD_CLOEXEC, Constant, Implemented |
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68 | F_RDLCK, Constant, Implemented |
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69 | F_UNLCK, Constant, Implemented |
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70 | F_WRLCK, Constant, Implemented |
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71 | O_ACCMODE, Constant, Implemented |
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72 | @end example |
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73 | |
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74 | NOTE: A number of constants are used by both @code{open} and @code{fcntl}. |
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75 | @code{O_CREAT}, @code{O_EXCL}, @code{O_NOCTTY}, @code{O_TRUNC}, |
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76 | @code{O_APPEND}, @code{O_DSYNC}, @code{O_NONBLOCK}, @code{O_RSYNC}, |
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77 | @code{O_SYNC}, @code{O_RDONLY}, @code{O_RDWR}, and @code{O_WRONLY} |
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78 | are also included in another section. @xref{Open a File}. |
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79 | |
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80 | @subsection Reposition Read/Write File Offset |
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81 | |
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82 | @example |
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83 | lseek(), Function, Partial Implementation |
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84 | SEEK_SET, Constant, Implemented |
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85 | SEEK_CUR, Constant, Implemented |
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86 | SEEK_END, Constant, Implemented |
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87 | @end example |
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88 | |
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89 | @section File Synchronization |
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90 | |
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91 | @subsection Synchronize the State of a File |
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92 | |
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93 | @example |
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94 | fsync(), Function, Implemented |
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95 | @end example |
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96 | |
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97 | @subsection Synchronize the Data of a File |
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98 | |
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99 | @example |
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100 | fdatasync(), Function, Implemented |
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101 | @end example |
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102 | |
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103 | @section Asynchronous Input and Output |
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104 | |
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105 | @subsection Data Definitions for Asynchronous Input and Output |
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106 | |
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107 | @subsubsection Asynchronous I/O Control Block |
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108 | |
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109 | @example |
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110 | struct aiocb, Type, Untested Implementation |
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111 | @end example |
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112 | |
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113 | @subsubsection Asynchronous I/O Manifest Constants |
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114 | |
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115 | @example |
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116 | AIO_CANCELED, Constant, Implemented |
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117 | AIO_NOTCANCELED, Constant, Implemented |
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118 | AIO_ALLDONE, Constant, Implemented |
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119 | LIO_WAIT, Constant, Implemented |
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120 | LIO_NOWAIT, Constant, Implemented |
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121 | LIO_READ, Constant, Implemented |
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122 | LIO_WRITE, Constant, Implemented |
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123 | LIO_NOP, Constant, Implemented |
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124 | @end example |
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125 | |
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126 | @subsection Asynchronous Read |
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127 | |
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128 | @example |
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129 | aio_read(), Function, Dummy Implementation |
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130 | @end example |
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131 | |
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132 | @subsection Asynchronous Write |
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133 | |
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134 | @example |
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135 | aio_write(), Function, Dummy Implementation |
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136 | @end example |
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137 | |
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138 | @subsection List Directed I/O |
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139 | |
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140 | @example |
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141 | lio_listio(), Function, Dummy Implementation |
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142 | @end example |
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143 | |
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144 | @subsection Retrieve Error Status of Asynchronous I/O Operation |
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145 | |
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146 | @example |
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147 | aio_error(), Function, Dummy Implementation |
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148 | @end example |
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149 | |
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150 | @subsection Retrieve Return Status of Asynchronous I/O Operation |
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151 | |
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152 | @example |
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153 | aio_return(), Function, Dummy Implementation |
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154 | @end example |
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155 | |
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156 | @subsection Cancel Asynchronous I/O Request |
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157 | |
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158 | @example |
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159 | aio_cancel(), Function, Dummy Implementation |
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160 | @end example |
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161 | |
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162 | @subsection Wait for Asynchronous I/O Request |
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163 | |
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164 | @example |
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165 | aio_suspend(), Function, Dummy Implementation |
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166 | @end example |
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167 | |
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168 | @subsection Asynchronous File Synchronization |
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169 | |
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170 | @example |
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171 | aio_fsync(), Function, Dummy Implementation |
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172 | @end example |
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173 | |
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