[ceph.git] / ceph / src / boost / libs / context / doc / html / context / abstract_context / stack / stack_context.html

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<div class="titlepage"><div><div><h4 class="title">
<a name="context.abstract_context.stack.stack_context"></a><a class="link" href="stack_context.html" title="Class stack_context">Class
        <span class="emphasis"><em>stack_context</em></span></a>
</h4></div></div></div>
<p>
          <span class="bold"><strong>Boost.Context</strong></span> provides the class <span class="emphasis"><em>stack_context</em></span>
          which will contain the stack pointer and the size of the stack. In case
          of a <span class="emphasis"><em>segmented_stack</em></span>, <span class="emphasis"><em>stack_context</em></span>
          contains some extra control structures.
        </p>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">stack_context</span>
<span class="special">{</span>
    <span class="keyword">void</span>    <span class="special">*</span>   <span class="identifier">sp</span><span class="special">;</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span><span class="special">;</span>

    <span class="comment">// might contain additional control structures</span>
    <span class="comment">// for segmented stacks</span>
<span class="special">}</span>
</pre>
<h6>
<a name="context.abstract_context.stack.stack_context.h0"></a>
          <span><a name="context.abstract_context.stack.stack_context._code__phrase_role__keyword__void__phrase___phrase_role__special_____phrase___phrase_role__identifier__sp__phrase___code_"></a></span><a class="link" href="stack_context.html#context.abstract_context.stack.stack_context._code__phrase_role__keyword__void__phrase___phrase_role__special_____phrase___phrase_role__identifier__sp__phrase___code_"><code class="computeroutput"><span class="keyword">void</span> <span class="special">*</span> <span class="identifier">sp</span></code></a>
        </h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Value:</span></dt>
<dd><p>
                Pointer to the beginning of the stack.
              </p></dd>
</dl>
</div>
<h6>
<a name="context.abstract_context.stack.stack_context.h1"></a>
          <span><a name="context.abstract_context.stack.stack_context._code__phrase_role__identifier__std__phrase__phrase_role__special______phrase__phrase_role__identifier__size_t__phrase___phrase_role__identifier__size__phrase___code_"></a></span><a class="link" href="stack_context.html#context.abstract_context.stack.stack_context._code__phrase_role__identifier__std__phrase__phrase_role__special______phrase__phrase_role__identifier__size_t__phrase___phrase_role__identifier__size__phrase___code_"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span></code></a>
        </h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Value:</span></dt>
<dd><p>
                Actual size of the stack.
              </p></dd>
</dl>
</div>
</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 &#169; 2014 Oliver Kowalke<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>
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Commit	Line	Data
7c673cae FG	1	<html>
	2	<head>
	3	<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
	4	<title>Class stack_context</title>
	5	<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css">
	6	<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
	7	<link rel="home" href="../../../index.html" title="Chapter 1. Context">
	8	<link rel="up" href="../stack.html" title="Stack allocation">
	9	<link rel="prev" href="stack_traits.html" title="Class stack_traits">
	10	<link rel="next" href="valgrind.html" title="Support for valgrind">
	11	</head>
	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>
	20	</tr></table>
	21	<hr>
	22	<div class="spirit-nav">
	23	<a accesskey="p" href="stack_traits.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../stack.html"><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="valgrind.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a>
	24	</div>
	25	<div class="section">
	26	<div class="titlepage"><div><div><h4 class="title">
	27	<a name="context.abstract_context.stack.stack_context"></a><a class="link" href="stack_context.html" title="Class stack_context">Class
	28	<span class="emphasis"><em>stack_context</em></span></a>
	29	</h4></div></div></div>
	30	<p>
	31	<span class="bold"><strong>Boost.Context</strong></span> provides the class <span class="emphasis"><em>stack_context</em></span>
	32	which will contain the stack pointer and the size of the stack. In case
	33	of a <span class="emphasis"><em>segmented_stack</em></span>, <span class="emphasis"><em>stack_context</em></span>
	34	contains some extra control structures.
	35	</p>
	36	<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">stack_context</span>
	37	<span class="special">{</span>
	38	<span class="keyword">void</span> <span class="special">*</span> <span class="identifier">sp</span><span class="special">;</span>
	39	<span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span><span class="special">;</span>
	40
	41	<span class="comment">// might contain additional control structures</span>
	42	<span class="comment">// for segmented stacks</span>
	43	<span class="special">}</span>
	44	</pre>
	45	<h6>
	46	<a name="context.abstract_context.stack.stack_context.h0"></a>
	47	<span><a name="context.abstract_context.stack.stack_context._code__phrase_role__keyword__void__phrase___phrase_role__special_____phrase___phrase_role__identifier__sp__phrase___code_"></a></span><a class="link" href="stack_context.html#context.abstract_context.stack.stack_context._code__phrase_role__keyword__void__phrase___phrase_role__special_____phrase___phrase_role__identifier__sp__phrase___code_"><code class="computeroutput"><span class="keyword">void</span> <span class="special">*</span> <span class="identifier">sp</span></code></a>
	48	</h6>
	49	<div class="variablelist">
	50	<p class="title"><b></b></p>
	51	<dl>
	52	<dt><span class="term">Value:</span></dt>
	53	<dd><p>
	54	Pointer to the beginning of the stack.
	55	</p></dd>
	56	</dl>
	57	</div>
	58	<h6>
	59	<a name="context.abstract_context.stack.stack_context.h1"></a>
	60	<span><a name="context.abstract_context.stack.stack_context._code__phrase_role__identifier__std__phrase__phrase_role__special______phrase__phrase_role__identifier__size_t__phrase___phrase_role__identifier__size__phrase___code_"></a></span><a class="link" href="stack_context.html#context.abstract_context.stack.stack_context._code__phrase_role__identifier__std__phrase__phrase_role__special______phrase__phrase_role__identifier__size_t__phrase___phrase_role__identifier__size__phrase___code_"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span></code></a>
	61	</h6>
	62	<div class="variablelist">
	63	<p class="title"><b></b></p>
	64	<dl>
65	<dt><span class="term">Value:</span></dt>
66	<dd><p>
67	Actual size of the stack.
68	</p></dd>
69	</dl>
70	</div>
71	</div>
72	<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
73	<td align="left"></td>
74	<td align="right"><div class="copyright-footer">Copyright © 2014 Oliver Kowalke<p>
75	Distributed under the Boost Software License, Version 1.0. (See accompanying
76	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>)
77	</p>
78	</div></td>
79	</tr></table>
80	<hr>
81	<div class="spirit-nav">
82	<a accesskey="p" href="stack_traits.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../stack.html"><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="valgrind.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a>
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85	</html>