doc/html/boost_asio/reference/windows__random_access_handle.html

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  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_asio.reference.windows__random_access_handle"></a><a class="link" href="windows__random_access_handle.html" title="windows::random_access_handle">windows::random_access_handle</a>
  28 </h3></div></div></div>
  29 <p>
  30         <a class="indexterm" name="boost_asio.indexterm.windows__random_access_handle"></a>
  31 Typedef
  32         for the typical usage of a random-access handle.
  33       </p>
  34 <pre class="programlisting">typedef basic_random_access_handle random_access_handle;
  35 </pre>
  36 <h5>
  37 <a name="boost_asio.reference.windows__random_access_handle.h0"></a>
  38         <span class="phrase"><a name="boost_asio.reference.windows__random_access_handle.types"></a></span><a class="link" href="windows__random_access_handle.html#boost_asio.reference.windows__random_access_handle.types">Types</a>
  39       </h5>
  40 <div class="informaltable"><table class="table">
  41 <colgroup>
  42 <col>
  43 <col>
  44 </colgroup>
  45 <thead><tr>
  46 <th>
  47                 <p>
  48                   Name
  49                 </p>
  50               </th>
  51 <th>
  52                 <p>
  53                   Description
  54                 </p>
  55               </th>
  56 </tr></thead>
  57 <tbody>
  58 <tr>
  59 <td>
  60                 <p>
  61                   <a class="link" href="windows__basic_random_access_handle/executor_type.html" title="windows::basic_random_access_handle::executor_type"><span class="bold"><strong>executor_type</strong></span></a>
  62                 </p>
  63               </td>
  64 <td>
  65                 <p>
  66                   The type of the executor associated with the object.
  67                 </p>
  68               </td>
  69 </tr>
  70 <tr>
  71 <td>
  72                 <p>
  73                   <a class="link" href="windows__basic_random_access_handle/lowest_layer_type.html" title="windows::basic_random_access_handle::lowest_layer_type"><span class="bold"><strong>lowest_layer_type</strong></span></a>
  74                 </p>
  75               </td>
  76 <td>
  77                 <p>
  78                   An overlapped_handle is always the lowest layer.
  79                 </p>
  80               </td>
  81 </tr>
  82 <tr>
  83 <td>
  84                 <p>
  85                   <a class="link" href="windows__basic_random_access_handle/native_handle_type.html" title="windows::basic_random_access_handle::native_handle_type"><span class="bold"><strong>native_handle_type</strong></span></a>
  86                 </p>
  87               </td>
  88 <td>
  89                 <p>
  90                   The native representation of a handle.
  91                 </p>
  92               </td>
  93 </tr>
  94 </tbody>
  95 </table></div>
  96 <h5>
  97 <a name="boost_asio.reference.windows__random_access_handle.h1"></a>
  98         <span class="phrase"><a name="boost_asio.reference.windows__random_access_handle.member_functions"></a></span><a class="link" href="windows__random_access_handle.html#boost_asio.reference.windows__random_access_handle.member_functions">Member
  99         Functions</a>
 100       </h5>
 101 <div class="informaltable"><table class="table">
 102 <colgroup>
 103 <col>
 104 <col>
 105 </colgroup>
 106 <thead><tr>
 107 <th>
 108                 <p>
 109                   Name
 110                 </p>
 111               </th>
 112 <th>
 113                 <p>
 114                   Description
 115                 </p>
 116               </th>
 117 </tr></thead>
 118 <tbody>
 119 <tr>
 120 <td>
 121                 <p>
 122                   <a class="link" href="windows__basic_random_access_handle/assign.html" title="windows::basic_random_access_handle::assign"><span class="bold"><strong>assign</strong></span></a>
 123                 </p>
 124               </td>
 125 <td>
 126                 <p>
 127                   Assign an existing native handle to the handle.
 128                 </p>
 129               </td>
 130 </tr>
 131 <tr>
 132 <td>
 133                 <p>
 134                   <a class="link" href="windows__basic_random_access_handle/async_read_some_at.html" title="windows::basic_random_access_handle::async_read_some_at"><span class="bold"><strong>async_read_some_at</strong></span></a>
 135                 </p>
 136               </td>
 137 <td>
 138                 <p>
 139                   Start an asynchronous read at the specified offset.
 140                 </p>
 141               </td>
 142 </tr>
 143 <tr>
 144 <td>
 145                 <p>
 146                   <a class="link" href="windows__basic_random_access_handle/async_write_some_at.html" title="windows::basic_random_access_handle::async_write_some_at"><span class="bold"><strong>async_write_some_at</strong></span></a>
 147                 </p>
 148               </td>
 149 <td>
 150                 <p>
 151                   Start an asynchronous write at the specified offset.
 152                 </p>
 153               </td>
 154 </tr>
 155 <tr>
 156 <td>
 157                 <p>
 158                   <a class="link" href="windows__basic_random_access_handle/basic_random_access_handle.html" title="windows::basic_random_access_handle::basic_random_access_handle"><span class="bold"><strong>basic_random_access_handle</strong></span></a>
 159                 </p>
 160               </td>
 161 <td>
 162                 <p>
 163                   Construct a random-access handle without opening it. <br> <span class="silver"> &#8212;</span><br>
 164                   Construct a random-access handle on an existing native handle.
 165                   <br> <span class="silver"> &#8212;</span><br> Move-construct a random-access handle from another.
 166                 </p>
 167               </td>
 168 </tr>
 169 <tr>
 170 <td>
 171                 <p>
 172                   <a class="link" href="windows__basic_random_access_handle/cancel.html" title="windows::basic_random_access_handle::cancel"><span class="bold"><strong>cancel</strong></span></a>
 173                 </p>
 174               </td>
 175 <td>
 176                 <p>
 177                   Cancel all asynchronous operations associated with the handle.
 178                 </p>
 179               </td>
 180 </tr>
 181 <tr>
 182 <td>
 183                 <p>
 184                   <a class="link" href="windows__basic_random_access_handle/close.html" title="windows::basic_random_access_handle::close"><span class="bold"><strong>close</strong></span></a>
 185                 </p>
 186               </td>
 187 <td>
 188                 <p>
 189                   Close the handle.
 190                 </p>
 191               </td>
 192 </tr>
 193 <tr>
 194 <td>
 195                 <p>
 196                   <a class="link" href="windows__basic_random_access_handle/get_executor.html" title="windows::basic_random_access_handle::get_executor"><span class="bold"><strong>get_executor</strong></span></a>
 197                 </p>
 198               </td>
 199 <td>
 200                 <p>
 201                   Get the executor associated with the object.
 202                 </p>
 203               </td>
 204 </tr>
 205 <tr>
 206 <td>
 207                 <p>
 208                   <a class="link" href="windows__basic_random_access_handle/is_open.html" title="windows::basic_random_access_handle::is_open"><span class="bold"><strong>is_open</strong></span></a>
 209                 </p>
 210               </td>
 211 <td>
 212                 <p>
 213                   Determine whether the handle is open.
 214                 </p>
 215               </td>
 216 </tr>
 217 <tr>
 218 <td>
 219                 <p>
 220                   <a class="link" href="windows__basic_random_access_handle/lowest_layer.html" title="windows::basic_random_access_handle::lowest_layer"><span class="bold"><strong>lowest_layer</strong></span></a>
 221                 </p>
 222               </td>
 223 <td>
 224                 <p>
 225                   Get a reference to the lowest layer. <br> <span class="silver"> &#8212;</span><br> Get a const
 226                   reference to the lowest layer.
 227                 </p>
 228               </td>
 229 </tr>
 230 <tr>
 231 <td>
 232                 <p>
 233                   <a class="link" href="windows__basic_random_access_handle/native_handle.html" title="windows::basic_random_access_handle::native_handle"><span class="bold"><strong>native_handle</strong></span></a>
 234                 </p>
 235               </td>
 236 <td>
 237                 <p>
 238                   Get the native handle representation.
 239                 </p>
 240               </td>
 241 </tr>
 242 <tr>
 243 <td>
 244                 <p>
 245                   <a class="link" href="windows__basic_random_access_handle/operator_eq_.html" title="windows::basic_random_access_handle::operator="><span class="bold"><strong>operator=</strong></span></a>
 246                 </p>
 247               </td>
 248 <td>
 249                 <p>
 250                   Move-assign a random-access handle from another.
 251                 </p>
 252               </td>
 253 </tr>
 254 <tr>
 255 <td>
 256                 <p>
 257                   <a class="link" href="windows__basic_random_access_handle/read_some_at.html" title="windows::basic_random_access_handle::read_some_at"><span class="bold"><strong>read_some_at</strong></span></a>
 258                 </p>
 259               </td>
 260 <td>
 261                 <p>
 262                   Read some data from the handle at the specified offset.
 263                 </p>
 264               </td>
 265 </tr>
 266 <tr>
 267 <td>
 268                 <p>
 269                   <a class="link" href="windows__basic_random_access_handle/write_some_at.html" title="windows::basic_random_access_handle::write_some_at"><span class="bold"><strong>write_some_at</strong></span></a>
 270                 </p>
 271               </td>
 272 <td>
 273                 <p>
 274                   Write some data to the handle at the specified offset.
 275                 </p>
 276               </td>
 277 </tr>
 278 </tbody>
 279 </table></div>
 280 <h5>
 281 <a name="boost_asio.reference.windows__random_access_handle.h2"></a>
 282         <span class="phrase"><a name="boost_asio.reference.windows__random_access_handle.protected_data_members"></a></span><a class="link" href="windows__random_access_handle.html#boost_asio.reference.windows__random_access_handle.protected_data_members">Protected
 283         Data Members</a>
 284       </h5>
 285 <div class="informaltable"><table class="table">
 286 <colgroup>
 287 <col>
 288 <col>
 289 </colgroup>
 290 <thead><tr>
 291 <th>
 292                 <p>
 293                   Name
 294                 </p>
 295               </th>
 296 <th>
 297                 <p>
 298                   Description
 299                 </p>
 300               </th>
 301 </tr></thead>
 302 <tbody><tr>
 303 <td>
 304                 <p>
 305                   <a class="link" href="windows__basic_random_access_handle/impl_.html" title="windows::basic_random_access_handle::impl_"><span class="bold"><strong>impl_</strong></span></a>
 306                 </p>
 307               </td>
 308 <td>
 309               </td>
 310 </tr></tbody>
 311 </table></div>
 312 <p>
 313         The <a class="link" href="windows__basic_random_access_handle.html" title="windows::basic_random_access_handle"><code class="computeroutput">windows::basic_random_access_handle</code></a>
 314         class provides asynchronous and blocking random-access handle functionality.
 315       </p>
 316 <h5>
 317 <a name="boost_asio.reference.windows__random_access_handle.h3"></a>
 318         <span class="phrase"><a name="boost_asio.reference.windows__random_access_handle.thread_safety"></a></span><a class="link" href="windows__random_access_handle.html#boost_asio.reference.windows__random_access_handle.thread_safety">Thread
 319         Safety</a>
 320       </h5>
 321 <p>
 322         <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe.
 323       </p>
 324 <p>
 325         <span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe.
 326       </p>
 327 <h5>
 328 <a name="boost_asio.reference.windows__random_access_handle.h4"></a>
 329         <span class="phrase"><a name="boost_asio.reference.windows__random_access_handle.requirements"></a></span><a class="link" href="windows__random_access_handle.html#boost_asio.reference.windows__random_access_handle.requirements">Requirements</a>
 330       </h5>
 331 <p>
 332         <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/windows/random_access_handle.hpp</code>
 333       </p>
 334 <p>
 335         <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
 336       </p>
 337 </div>
 338 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 339 <td align="left"></td>
 340 <td align="right"><div class="copyright-footer">Copyright &#169; 2003-2019 Christopher M. Kohlhoff<p>
 341         Distributed under the Boost Software License, Version 1.0. (See accompanying
 342         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
 343       </p>
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