3 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
4 <title>windows::basic_stream_handle::lowest_layer_type</title>
5 <link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
6 <meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
7 <link rel="home" href="../../../boost_asio.html" title="Boost.Asio">
8 <link rel="up" href="../windows__basic_stream_handle.html" title="windows::basic_stream_handle">
9 <link rel="prev" href="lowest_layer/overload2.html" title="windows::basic_stream_handle::lowest_layer (2 of 2 overloads)">
10 <link rel="next" href="native_handle.html" title="windows::basic_stream_handle::native_handle">
12 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
13 <table cellpadding="2" width="100%"><tr>
14 <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
15 <td align="center"><a href="../../../../../index.html">Home</a></td>
16 <td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td>
17 <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
18 <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
19 <td align="center"><a href="../../../../../more/index.htm">More</a></td>
22 <div class="spirit-nav">
23 <a accesskey="p" href="lowest_layer/overload2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../windows__basic_stream_handle.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="native_handle.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
26 <div class="titlepage"><div><div><h4 class="title">
27 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type"></a><a class="link" href="lowest_layer_type.html" title="windows::basic_stream_handle::lowest_layer_type">windows::basic_stream_handle::lowest_layer_type</a>
28 </h4></div></div></div>
30 <span class="emphasis"><em>Inherited from windows::basic_overlapped_handle.</em></span>
33 <a class="indexterm" name="boost_asio.indexterm.windows__basic_stream_handle.lowest_layer_type"></a>
35 overlapped_handle is always the lowest layer.
37 <pre class="programlisting">typedef basic_overlapped_handle lowest_layer_type;
40 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.h0"></a>
41 <span class="phrase"><a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.types"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.types">Types</a>
43 <div class="informaltable"><table class="table">
64 <a class="link" href="../windows__basic_overlapped_handle__rebind_executor.html" title="windows::basic_overlapped_handle::rebind_executor"><span class="bold"><strong>rebind_executor</strong></span></a>
69 Rebinds the handle type to another executor.
76 <a class="link" href="../windows__basic_overlapped_handle/executor_type.html" title="windows::basic_overlapped_handle::executor_type"><span class="bold"><strong>executor_type</strong></span></a>
81 The type of the executor associated with the object.
88 <a class="link" href="../windows__basic_overlapped_handle/lowest_layer_type.html" title="windows::basic_overlapped_handle::lowest_layer_type"><span class="bold"><strong>lowest_layer_type</strong></span></a>
93 An overlapped_handle is always the lowest layer.
100 <a class="link" href="../windows__basic_overlapped_handle/native_handle_type.html" title="windows::basic_overlapped_handle::native_handle_type"><span class="bold"><strong>native_handle_type</strong></span></a>
105 The native representation of a handle.
112 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.h1"></a>
113 <span class="phrase"><a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.member_functions"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.member_functions">Member
116 <div class="informaltable"><table class="table">
137 <a class="link" href="../windows__basic_overlapped_handle/assign.html" title="windows::basic_overlapped_handle::assign"><span class="bold"><strong>assign</strong></span></a>
142 Assign an existing native handle to the handle.
149 <a class="link" href="../windows__basic_overlapped_handle/basic_overlapped_handle.html" title="windows::basic_overlapped_handle::basic_overlapped_handle"><span class="bold"><strong>basic_overlapped_handle</strong></span></a>
154 Construct an overlapped handle without opening it. <br> <span class="silver"> —</span><br>
155 Construct an overlapped handle on an existing native handle.
156 <br> <span class="silver"> —</span><br> Move-construct an overlapped handle from another.
163 <a class="link" href="../windows__basic_overlapped_handle/cancel.html" title="windows::basic_overlapped_handle::cancel"><span class="bold"><strong>cancel</strong></span></a>
168 Cancel all asynchronous operations associated with the handle.
175 <a class="link" href="../windows__basic_overlapped_handle/close.html" title="windows::basic_overlapped_handle::close"><span class="bold"><strong>close</strong></span></a>
187 <a class="link" href="../windows__basic_overlapped_handle/get_executor.html" title="windows::basic_overlapped_handle::get_executor"><span class="bold"><strong>get_executor</strong></span></a>
192 Get the executor associated with the object.
199 <a class="link" href="../windows__basic_overlapped_handle/is_open.html" title="windows::basic_overlapped_handle::is_open"><span class="bold"><strong>is_open</strong></span></a>
204 Determine whether the handle is open.
211 <a class="link" href="../windows__basic_overlapped_handle/lowest_layer.html" title="windows::basic_overlapped_handle::lowest_layer"><span class="bold"><strong>lowest_layer</strong></span></a>
216 Get a reference to the lowest layer. <br> <span class="silver"> —</span><br> Get a const
217 reference to the lowest layer.
224 <a class="link" href="../windows__basic_overlapped_handle/native_handle.html" title="windows::basic_overlapped_handle::native_handle"><span class="bold"><strong>native_handle</strong></span></a>
229 Get the native handle representation.
236 <a class="link" href="../windows__basic_overlapped_handle/operator_eq_.html" title="windows::basic_overlapped_handle::operator="><span class="bold"><strong>operator=</strong></span></a>
241 Move-assign an overlapped handle from another.
248 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.h2"></a>
249 <span class="phrase"><a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.protected_member_functions"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.protected_member_functions">Protected
252 <div class="informaltable"><table class="table">
272 <a class="link" href="../windows__basic_overlapped_handle/_basic_overlapped_handle.html" title="windows::basic_overlapped_handle::~basic_overlapped_handle"><span class="bold"><strong>~basic_overlapped_handle</strong></span></a>
277 Protected destructor to prevent deletion through this type.
283 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.h3"></a>
284 <span class="phrase"><a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.protected_data_members"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.protected_data_members">Protected
287 <div class="informaltable"><table class="table">
307 <a class="link" href="../windows__basic_overlapped_handle/impl_.html" title="windows::basic_overlapped_handle::impl_"><span class="bold"><strong>impl_</strong></span></a>
315 The <a class="link" href="../windows__overlapped_handle.html" title="windows::overlapped_handle"><code class="computeroutput">windows::overlapped_handle</code></a>
316 class provides the ability to wrap a Windows handle. The underlying object
317 referred to by the handle must support overlapped I/O.
320 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.h4"></a>
321 <span class="phrase"><a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.thread_safety"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.thread_safety">Thread
325 <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe.
328 <span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe.
331 <a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.h5"></a>
332 <span class="phrase"><a name="boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.requirements"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_stream_handle.lowest_layer_type.requirements">Requirements</a>
335 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/windows/basic_stream_handle.hpp</code>
338 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
341 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
342 <td align="left"></td>
343 <td align="right"><div class="copyright-footer">Copyright © 2003-2019 Christopher M. Kohlhoff<p>
344 Distributed under the Boost Software License, Version 1.0. (See accompanying
345 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>)
350 <div class="spirit-nav">
351 <a accesskey="p" href="lowest_layer/overload2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../windows__basic_stream_handle.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="native_handle.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>