1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Function is_stream_handle</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../process/reference.html#header.boost.process.handles_hpp" title="Header <boost/process/handles.hpp>"> 10<link rel="prev" href="get_handles.html" title="Function get_handles"> 11<link rel="next" href="../process/close.html" title="Global close"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="get_handles.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../process/reference.html#header.boost.process.handles_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../process/close.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.this_process.is_stream_handle"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Function is_stream_handle</span></h2> 30<p>boost::this_process::is_stream_handle</p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../process/reference.html#header.boost.process.handles_hpp" title="Header <boost/process/handles.hpp>">boost/process/handles.hpp</a>> 34 35</span> 36<span class="keyword">bool</span> <span class="identifier">is_stream_handle</span><span class="special">(</span><span class="identifier">native_handle_type</span> handle<span class="special">)</span><span class="special">;</span> 37<span class="keyword">bool</span> <span class="identifier">is_stream_handle</span><span class="special">(</span><span class="identifier">native_handle_type</span> handle<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">error_code</span> <span class="special">&</span> ec<span class="special">)</span><span class="special">;</span></pre></div> 38<div class="refsect1"> 39<a name="id-1.3.30.9.15.7.4"></a><h2>Description</h2> 40<p>Determines if a given handle is a a stream-handle, i.e. any handle that can be used with read and write functions. Stream handles include pipes, regular files and sockets.</p> 41<p> 42</p> 43<div class="variablelist"><table border="0" class="variablelist compact"> 44<colgroup> 45<col align="left" valign="top"> 46<col> 47</colgroup> 48<tbody><tr> 49<td><p><span class="term">Returns:</span></p></td> 50<td><p>Indicates if it's a stream handle. </p></td> 51</tr></tbody> 52</table></div> 53</div> 54</div> 55<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 56<td align="left"></td> 57<td align="right"><div class="copyright-footer">Copyright © 2006-2012 Julio M. Merino Vidal, Ilya Sokolov, 58 Felipe Tanus, Jeff Flinn, Boris Schaeling<br>Copyright © 2016 Klemens D. Morgenstern<p> 59 Distributed under the Boost Software License, Version 1.0. (See accompanying 60 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 61 </p> 62</div></td> 63</tr></table> 64<hr> 65<div class="spirit-nav"> 66<a accesskey="p" href="get_handles.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../process/reference.html#header.boost.process.handles_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../process/close.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 67</div> 68</body> 69</html> 70