<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Serial port service requirements</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../boost_asio.html" title="Boost.Asio"> <link rel="up" href="../reference.html" title="Reference"> <link rel="prev" href="SeqPacketSocketService.html" title="Sequenced packet socket service requirements"> <link rel="next" href="Service.html" title="Service requirements"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a href="../../../../index.html">Home</a></td> <td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a 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requirements for an <a class="link" href="IoObjectService.html" title="I/O object service requirements">I/O object service</a> with support for movability, as well as the additional requirements listed below. </p> <p> In the table below, <code class="computeroutput"><span class="identifier">X</span></code> denotes a serial port service class, <code class="computeroutput"><span class="identifier">a</span></code> and <code class="computeroutput"><span class="identifier">ao</span></code> denote values of type <code class="computeroutput"><span class="identifier">X</span></code>, <code class="computeroutput"><span class="identifier">d</span></code> denotes a serial port device name of type <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span></code>, <code class="computeroutput"><span class="identifier">b</span></code> and <code class="computeroutput"><span class="identifier">c</span></code> denote values of type <code class="computeroutput"><span class="identifier">X</span><span class="special">::</span><span class="identifier">implementation_type</span></code>, <code class="computeroutput"><span class="identifier">n</span></code> denotes a value of type <code class="computeroutput"><span class="identifier">X</span><span class="special">::</span><span class="identifier">native_handle_type</span></code>, <code class="computeroutput"><span class="identifier">ec</span></code> denotes a value of type <code class="computeroutput"><span class="identifier">error_code</span></code>, <code class="computeroutput"><span class="identifier">s</span></code> denotes a value meeting <a class="link" href="SettableSerialPortOption.html" title="Settable serial port option requirements"><code class="computeroutput"><span class="identifier">SettableSerialPortOption</span></code></a> requirements, <code class="computeroutput"><span class="identifier">g</span></code> denotes a value meeting <a class="link" href="GettableSerialPortOption.html" title="Gettable serial port option requirements"><code class="computeroutput"><span class="identifier">GettableSerialPortOption</span></code></a> requirements, <code class="computeroutput"><span class="identifier">mb</span></code> denotes a value satisfying <a class="link" href="MutableBufferSequence.html" title="Mutable buffer sequence requirements">mutable buffer sequence</a> requirements, <code class="computeroutput"><span class="identifier">rh</span></code> denotes a value meeting <a class="link" href="ReadHandler.html" title="Read handler requirements"><code class="computeroutput"><span class="identifier">ReadHandler</span></code></a> requirements, <code class="computeroutput"><span class="identifier">cb</span></code> denotes a value satisfying <a class="link" href="ConstBufferSequence.html" title="Constant buffer sequence requirements">constant buffer sequence</a> requirements, and <code class="computeroutput"><span class="identifier">wh</span></code> denotes a value meeting <a class="link" href="WriteHandler.html" title="Write handler requirements"><code class="computeroutput"><span class="identifier">WriteHandler</span></code></a> requirements. and <code class="computeroutput"><span class="identifier">u</span></code> and <code class="computeroutput"><span class="identifier">v</span></code> denote identifiers. </p> <div class="table"> <a name="boost_asio.reference.SerialPortService.t0"></a><p class="title"><b>Table 25. SerialPortService requirements</b></p> <div class="table-contents"><table class="table" summary="SerialPortService requirements"> <colgroup> <col> <col> <col> </colgroup> <thead><tr> <th> <p> expression </p> </th> <th> <p> return type </p> </th> <th> <p> assertion/note<br> pre/post-condition </p> </th> </tr></thead> <tbody> <tr> <td> <p> <code class="computeroutput"><span class="identifier">X</span><span class="special">::</span><span class="identifier">native_handle_type</span></code> </p> </td> <td> </td> <td> <p> The implementation-defined native representation of a serial port. Must satisfy the requirements of <code class="computeroutput"><span class="identifier">CopyConstructible</span></code> types (C++ Std, 20.1.3), and the requirements of <code class="computeroutput"><span class="identifier">Assignable</span></code> types (C++ Std, 23.1). </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">construct</span><span class="special">(</span><span class="identifier">b</span><span class="special">);</span></code> </p> </td> <td> </td> <td> <p> From <a class="link" href="IoObjectService.html" title="I/O object service requirements">IoObjectService</a> requirements.<br> post: <code class="computeroutput"><span class="special">!</span><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">destroy</span><span class="special">(</span><span class="identifier">b</span><span class="special">);</span></code> </p> </td> <td> </td> <td> <p> From <a class="link" href="IoObjectService.html" title="I/O object service requirements">IoObjectService</a> requirements. Implicitly cancels asynchronous operations, as if by calling <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">close</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">move_construct</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">c</span><span class="special">);</span> </pre> <p> </p> </td> <td> </td> <td> <p> From <a class="link" href="IoObjectService.html" title="I/O object service requirements">IoObjectService</a> requirements. The underlying native representation is moved from <code class="computeroutput"><span class="identifier">c</span></code> to <code class="computeroutput"><span class="identifier">b</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">move_assign</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">ao</span><span class="special">,</span> <span class="identifier">c</span><span class="special">);</span> </pre> <p> </p> </td> <td> </td> <td> <p> From <a class="link" href="IoObjectService.html" title="I/O object service requirements">IoObjectService</a> requirements. Implicitly cancels asynchronous operations associated with <code class="computeroutput"><span class="identifier">b</span></code>, as if by calling <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">close</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">)</span></code>. Then the underlying native representation is moved from <code class="computeroutput"><span class="identifier">c</span></code> to <code class="computeroutput"><span class="identifier">b</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">u</span> <span class="special">=</span> <span class="identifier">d</span><span class="special">;</span> <span class="identifier">a</span><span class="special">.</span><span class="identifier">open</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">u</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="special">!</span><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> post: <code class="computeroutput"><span class="special">!!</span><span class="identifier">ec</span> <span class="special">||</span> <span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">assign</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">n</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="special">!</span><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> post: <code class="computeroutput"><span class="special">!!</span><span class="identifier">ec</span> <span class="special">||</span> <span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="keyword">bool</span></code> </p> </td> <td> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="keyword">const</span> <span class="identifier">X</span><span class="special">&</span> <span class="identifier">u</span> <span class="special">=</span> <span class="identifier">a</span><span class="special">;</span> <span class="keyword">const</span> <span class="identifier">X</span><span class="special">::</span><span class="identifier">implementation_type</span><span class="special">&</span> <span class="identifier">v</span> <span class="special">=</span> <span class="identifier">b</span><span class="special">;</span> <span class="identifier">u</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">v</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="keyword">bool</span></code> </p> </td> <td> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">close</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> If <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">()</span></code> is true, causes any outstanding asynchronous operations to complete as soon as possible. Handlers for cancelled operations shall be passed the error code <code class="computeroutput"><span class="identifier">error</span><span class="special">::</span><span class="identifier">operation_aborted</span></code>.<br> post: <code class="computeroutput"><span class="special">!</span><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">native_handle</span><span class="special">(</span><span class="identifier">b</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">X</span><span class="special">::</span><span class="identifier">native_handle_type</span></code> </p> </td> <td> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">cancel</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> Causes any outstanding asynchronous operations to complete as soon as possible. Handlers for cancelled operations shall be passed the error code <code class="computeroutput"><span class="identifier">error</span><span class="special">::</span><span class="identifier">operation_aborted</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">set_option</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">s</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">get_option</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">g</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="keyword">const</span> <span class="identifier">X</span><span class="special">&</span> <span class="identifier">u</span> <span class="special">=</span> <span class="identifier">a</span><span class="special">;</span> <span class="keyword">const</span> <span class="identifier">X</span><span class="special">::</span><span class="identifier">implementation_type</span><span class="special">&</span> <span class="identifier">v</span> <span class="special">=</span> <span class="identifier">b</span><span class="special">;</span> <span class="identifier">u</span><span class="special">.</span><span class="identifier">get_option</span><span class="special">(</span><span class="identifier">v</span><span class="special">,</span> <span class="identifier">g</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> </p> <pre class="programlisting"><span class="identifier">a</span><span class="special">.</span><span class="identifier">send_break</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span> </pre> <p> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">error_code</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">read_some</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">mb</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span></code> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">size_t</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> <br> Reads one or more bytes of data from a serial port <code class="computeroutput"><span class="identifier">b</span></code>.<br> <br> The mutable buffer sequence <code class="computeroutput"><span class="identifier">mb</span></code> specifies memory where the data should be placed. The operation shall always fill a buffer in the sequence completely before proceeding to the next.<br> <br> If successful, returns the number of bytes read. Otherwise returns <code class="computeroutput"><span class="number">0</span></code>. If the total size of all buffers in the sequence <code class="computeroutput"><span class="identifier">mb</span></code> is <code class="computeroutput"><span class="number">0</span></code>, the function shall return <code class="computeroutput"><span class="number">0</span></code> immediately.<br> <br> If the operation completes due to graceful connection closure by the peer, the operation shall fail with <code class="computeroutput"><span class="identifier">error</span><span class="special">::</span><span class="identifier">eof</span></code>. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">async_read_some</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">mb</span><span class="special">,</span> <span class="identifier">rh</span><span class="special">);</span></code> </p> </td> <td> <p> <code class="computeroutput"><span class="keyword">void</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> <br> Initiates an asynchronous operation to read one or more bytes of data from a serial port <code class="computeroutput"><span class="identifier">b</span></code>. The operation is performed via the <code class="computeroutput"><span class="identifier">io_service</span></code> object <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">get_io_service</span><span class="special">()</span></code> and behaves according to <a class="link" href="asynchronous_operations.html" title="Requirements on asynchronous operations">asynchronous operation</a> requirements.<br> <br> The mutable buffer sequence <code class="computeroutput"><span class="identifier">mb</span></code> specifies memory where the data should be placed. The operation shall always fill a buffer in the sequence completely before proceeding to the next.<br> <br> The implementation shall maintain one or more copies of <code class="computeroutput"><span class="identifier">mb</span></code> until such time as the read operation no longer requires access to the memory specified by the buffers in the sequence. The program must ensure the memory is valid until:<br> <br> — the last copy of <code class="computeroutput"><span class="identifier">mb</span></code> is destroyed, or<br> <br> — the handler for the asynchronous operation is invoked,<br> <br> whichever comes first. If the total size of all buffers in the sequence <code class="computeroutput"><span class="identifier">mb</span></code> is <code class="computeroutput"><span class="number">0</span></code>, the asynchronous read operation shall complete immediately and pass <code class="computeroutput"><span class="number">0</span></code> as the argument to the handler that specifies the number of bytes read.<br> <br> If the operation completes due to graceful connection closure by the peer, the operation shall fail with <code class="computeroutput"><span class="identifier">error</span><span class="special">::</span><span class="identifier">eof</span></code>.<br> <br> If the operation completes successfully, the <code class="computeroutput"><span class="identifier">ReadHandler</span></code> object <code class="computeroutput"><span class="identifier">rh</span></code> is invoked with the number of bytes transferred. Otherwise it is invoked with <code class="computeroutput"><span class="number">0</span></code>. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">write_some</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">cb</span><span class="special">,</span> <span class="identifier">ec</span><span class="special">);</span></code> </p> </td> <td> <p> <code class="computeroutput"><span class="identifier">size_t</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> <br> Writes one or more bytes of data to a serial port <code class="computeroutput"><span class="identifier">b</span></code>.<br> <br> The constant buffer sequence <code class="computeroutput"><span class="identifier">cb</span></code> specifies memory where the data to be written is located. The operation shall always write a buffer in the sequence completely before proceeding to the next.<br> <br> If successful, returns the number of bytes written. Otherwise returns <code class="computeroutput"><span class="number">0</span></code>. If the total size of all buffers in the sequence <code class="computeroutput"><span class="identifier">cb</span></code> is <code class="computeroutput"><span class="number">0</span></code>, the function shall return <code class="computeroutput"><span class="number">0</span></code> immediately. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">async_write_some</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">cb</span><span class="special">,</span> <span class="identifier">wh</span><span class="special">);</span></code> </p> </td> <td> <p> <code class="computeroutput"><span class="keyword">void</span></code> </p> </td> <td> <p> pre: <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">is_open</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code>.<br> <br> Initiates an asynchronous operation to write one or more bytes of data to a serial port <code class="computeroutput"><span class="identifier">b</span></code>. The operation is performed via the <code class="computeroutput"><span class="identifier">io_service</span></code> object <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">get_io_service</span><span class="special">()</span></code> and behaves according to <a class="link" href="asynchronous_operations.html" title="Requirements on asynchronous operations">asynchronous operation</a> requirements.<br> <br> The constant buffer sequence <code class="computeroutput"><span class="identifier">cb</span></code> specifies memory where the data to be written is located. The operation shall always write a buffer in the sequence completely before proceeding to the next.<br> <br> The implementation shall maintain one or more copies of <code class="computeroutput"><span class="identifier">cb</span></code> until such time as the write operation no longer requires access to the memory specified by the buffers in the sequence. The program must ensure the memory is valid until:<br> <br> — the last copy of <code class="computeroutput"><span class="identifier">cb</span></code> is destroyed, or<br> <br> — the handler for the asynchronous operation is invoked,<br> <br> whichever comes first. If the total size of all buffers in the sequence <code class="computeroutput"><span class="identifier">cb</span></code> is <code class="computeroutput"><span class="number">0</span></code>, the asynchronous operation shall complete immediately and pass <code class="computeroutput"><span class="number">0</span></code> as the argument to the handler that specifies the number of bytes read.<br> <br> If the operation completes successfully, the <code class="computeroutput"><span class="identifier">WriteHandler</span></code> object <code class="computeroutput"><span class="identifier">wh</span></code> is invoked with the number of bytes transferred. Otherwise it is invoked with <code class="computeroutput"><span class="number">0</span></code>. </p> </td> </tr> </tbody> </table></div> </div> <br class="table-break"> </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 © 2003-2015 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="SeqPacketSocketService.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../boost_asio.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="Service.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>