<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>windows::basic_random_access_handle</title> <link rel="stylesheet" href="../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2"> <link rel="start" href="../../index.html" title="Asio"> <link rel="up" href="../reference.html" title="Reference"> <link rel="prev" href="windows__basic_handle/_basic_handle.html" title="windows::basic_handle::~basic_handle"> <link rel="next" href="windows__basic_random_access_handle/assign.html" title="windows::basic_random_access_handle::assign"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../asio.png"></td></tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="windows__basic_handle/_basic_handle.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="windows__basic_random_access_handle/assign.html"><img src="../../next.png" alt="Next"></a> </div> <div class="section" lang="en"> <div class="titlepage"><div><div><h3 class="title"> <a name="asio.reference.windows__basic_random_access_handle"></a><a class="link" href="windows__basic_random_access_handle.html" title="windows::basic_random_access_handle">windows::basic_random_access_handle</a> </h3></div></div></div> <p> Provides random-access handle functionality. </p> <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <a class="link" href="RandomAccessHandleService.html" title="Random access handle service requirements">RandomAccessHandleService</a> <span class="special">=</span> <span class="identifier">random_access_handle_service</span><span class="special">></span> <span class="keyword">class</span> <span class="identifier">basic_random_access_handle</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">windows</span><span class="special">::</span><span class="identifier">basic_handle</span><span class="special"><</span> <span class="identifier">RandomAccessHandleService</span> <span class="special">></span> </pre> <a name="asio.reference.windows__basic_random_access_handle.types"></a><h5> <a name="id1186489"></a> <a class="link" href="windows__basic_random_access_handle.html#asio.reference.windows__basic_random_access_handle.types">Types</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/implementation_type.html" title="windows::basic_random_access_handle::implementation_type"><span class="bold"><strong>implementation_type</strong></span></a> </p> </td> <td> <p> The underlying implementation type of I/O object. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> A basic_handle is always the lowest layer. </p> </td> </tr> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/native_type.html" title="windows::basic_random_access_handle::native_type"><span class="bold"><strong>native_type</strong></span></a> </p> </td> <td> <p> The native representation of a handle. </p> </td> </tr> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/service_type.html" title="windows::basic_random_access_handle::service_type"><span class="bold"><strong>service_type</strong></span></a> </p> </td> <td> <p> The type of the service that will be used to provide I/O operations. </p> </td> </tr> </tbody> </table></div> <a name="asio.reference.windows__basic_random_access_handle.member_functions"></a><h5> <a name="id1186659"></a> <a class="link" href="windows__basic_random_access_handle.html#asio.reference.windows__basic_random_access_handle.member_functions">Member Functions</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <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> </p> </td> <td> <p> Assign an existing native handle to the handle. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Start an asynchronous read at the specified offset. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Start an asynchronous write at the specified offset. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Construct a basic_random_access_handle without opening it. </p> <p> Construct a basic_random_access_handle on an existing native handle. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Cancel all asynchronous operations associated with the handle. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Close the handle. </p> </td> </tr> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/get_io_service.html" title="windows::basic_random_access_handle::get_io_service"><span class="bold"><strong>get_io_service</strong></span></a> </p> </td> <td> <p> Get the io_service associated with the object. </p> </td> </tr> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/io_service.html" title="windows::basic_random_access_handle::io_service"><span class="bold"><strong>io_service</strong></span></a> </p> </td> <td> <p> (Deprecated: use get_io_service().) Get the io_service associated with the object. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Determine whether the handle is open. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Get a reference to the lowest layer. </p> <p> Get a const reference to the lowest layer. </p> </td> </tr> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/native.html" title="windows::basic_random_access_handle::native"><span class="bold"><strong>native</strong></span></a> </p> </td> <td> <p> Get the native handle representation. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Read some data from the handle at the specified offset. </p> </td> </tr> <tr> <td> <p> <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> </p> </td> <td> <p> Write some data to the handle at the specified offset. </p> </td> </tr> </tbody> </table></div> <a name="asio.reference.windows__basic_random_access_handle.protected_data_members"></a><h5> <a name="id1187101"></a> <a class="link" href="windows__basic_random_access_handle.html#asio.reference.windows__basic_random_access_handle.protected_data_members">Protected Data Members</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/implementation.html" title="windows::basic_random_access_handle::implementation"><span class="bold"><strong>implementation</strong></span></a> </p> </td> <td> <p> The underlying implementation of the I/O object. </p> </td> </tr> <tr> <td> <p> <a class="link" href="windows__basic_random_access_handle/service.html" title="windows::basic_random_access_handle::service"><span class="bold"><strong>service</strong></span></a> </p> </td> <td> <p> The service associated with the I/O object. </p> </td> </tr> </tbody> </table></div> <p> The <a class="link" href="windows__basic_random_access_handle.html" title="windows::basic_random_access_handle"><code class="computeroutput"><span class="identifier">windows</span><span class="special">::</span><span class="identifier">basic_random_access_handle</span></code></a> class template provides asynchronous and blocking random-access handle functionality. </p> <a name="asio.reference.windows__basic_random_access_handle.thread_safety"></a><h5> <a name="id1187243"></a> <a class="link" href="windows__basic_random_access_handle.html#asio.reference.windows__basic_random_access_handle.thread_safety">Thread Safety</a> </h5> <p> <span class="bold"><strong>Distinct</strong></span> <span class="bold"><strong>objects:</strong></span> Safe. </p> <p> <span class="bold"><strong>Shared</strong></span> <span class="bold"><strong>objects:</strong></span> Unsafe. </p> <a name="asio.reference.windows__basic_random_access_handle.requirements"></a><h5> <a name="id1187294"></a> <a class="link" href="windows__basic_random_access_handle.html#asio.reference.windows__basic_random_access_handle.requirements">Requirements</a> </h5> <p> <span class="bold"><strong>Header: </strong></span><code class="literal">asio/windows/basic_random_access_handle.hpp</code> </p> <p> <span class="bold"><strong>Convenience header: </strong></span><code class="literal">asio.hpp</code> </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 Christopher M. Kohlhoff<p> Distributed under the Boost Software License, Version 1.0. (See accompanying 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>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="windows__basic_handle/_basic_handle.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="windows__basic_random_access_handle/assign.html"><img src="../../next.png" alt="Next"></a> </div> </body> </html>