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>Class permissions</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="../../interprocess/indexes_reference.html#header.boost.interprocess.permissions_hpp" title="Header <boost/interprocess/permissions.hpp>"> 10<link rel="prev" href="operator_idm45304011279584.html" title="Function template operator>>"> 11<link rel="next" href="segment_manager.html" title="Class template segment_manager"> 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++ 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alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.interprocess.permissions"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class permissions</span></h2> 30<p>boost::interprocess::permissions</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="../../interprocess/indexes_reference.html#header.boost.interprocess.permissions_hpp" title="Header <boost/interprocess/permissions.hpp>">boost/interprocess/permissions.hpp</a>> 34 35</span> 36<span class="keyword">class</span> <a class="link" href="permissions.html" title="Class permissions">permissions</a> <span class="special">{</span> 37<span class="keyword">public</span><span class="special">:</span> 38 <span class="comment">// <a class="link" href="permissions.html#boost.interprocess.permissionsconstruct-copy-destruct">construct/copy/destruct</a></span> 39 <a class="link" href="permissions.html#idm45304011230224-bb"><span class="identifier">permissions</span></a><span class="special">(</span><span class="identifier">os_permissions_type</span><span class="special">)</span><span class="special">;</span> 40 <a class="link" href="permissions.html#idm45304011228768-bb"><span class="identifier">permissions</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 41 42 <span class="comment">// <a class="link" href="permissions.html#idm45304011237184-bb">public member functions</a></span> 43 <span class="keyword">void</span> <a class="link" href="permissions.html#idm45304011236624-bb"><span class="identifier">set_default</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 44 <span class="keyword">void</span> <a class="link" href="permissions.html#idm45304011235280-bb"><span class="identifier">set_unrestricted</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 45 <span class="keyword">void</span> <a class="link" href="permissions.html#idm45304011233952-bb"><span class="identifier">set_permissions</span></a><span class="special">(</span><span class="identifier">os_permissions_type</span><span class="special">)</span><span class="special">;</span> 46 <span class="identifier">os_permissions_type</span> <a class="link" href="permissions.html#idm45304011231952-bb"><span class="identifier">get_permissions</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 47<span class="special">}</span><span class="special">;</span></pre></div> 48<div class="refsect1"> 49<a name="id-1.3.19.17.3.45.4.4"></a><h2>Description</h2> 50<p>The permissions class represents permissions to be set to shared memory or files, that can be constructed form usual permission representations: a SECURITY_ATTRIBUTES pointer in windows or ORed rwx chmod integer in UNIX. </p> 51<div class="refsect2"> 52<a name="id-1.3.19.17.3.45.4.4.3"></a><h3> 53<a name="boost.interprocess.permissionsconstruct-copy-destruct"></a><code class="computeroutput">permissions</code> 54 public 55 construct/copy/destruct</h3> 56<div class="orderedlist"><ol class="orderedlist" type="1"> 57<li class="listitem"> 58<pre class="literallayout"><a name="idm45304011230224-bb"></a><span class="identifier">permissions</span><span class="special">(</span><span class="identifier">os_permissions_type</span> type<span class="special">)</span><span class="special">;</span></pre> 59<p>Constructs a permissions object from a user provided os-dependent permissions. </p> 60</li> 61<li class="listitem"> 62<pre class="literallayout"><a name="idm45304011228768-bb"></a><span class="identifier">permissions</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 63<p>Constructs a default permissions object: A null security attributes pointer for windows or 0644 for UNIX. </p> 64</li> 65</ol></div> 66</div> 67<div class="refsect2"> 68<a name="id-1.3.19.17.3.45.4.4.4"></a><h3> 69<a name="idm45304011237184-bb"></a><code class="computeroutput">permissions</code> public member functions</h3> 70<div class="orderedlist"><ol class="orderedlist" type="1"> 71<li class="listitem"> 72<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304011236624-bb"></a><span class="identifier">set_default</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 73<p>Sets permissions to default values: A null security attributes pointer for windows or 0644 for UNIX. </p> 74</li> 75<li class="listitem"> 76<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304011235280-bb"></a><span class="identifier">set_unrestricted</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 77<p>Sets permissions to unrestricted access: A null DACL for windows or 0666 for UNIX. </p> 78</li> 79<li class="listitem"> 80<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304011233952-bb"></a><span class="identifier">set_permissions</span><span class="special">(</span><span class="identifier">os_permissions_type</span> perm<span class="special">)</span><span class="special">;</span></pre> 81<p>Sets permissions from a user provided os-dependent permissions. </p> 82</li> 83<li class="listitem"> 84<pre class="literallayout"><span class="identifier">os_permissions_type</span> <a name="idm45304011231952-bb"></a><span class="identifier">get_permissions</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 85<p>Returns stored os-dependent permissions </p> 86</li> 87</ol></div> 88</div> 89</div> 90</div> 91<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 92<td align="left"></td> 93<td align="right"><div class="copyright-footer">Copyright © 2005-2015 Ion Gaztanaga<p> 94 Distributed under the Boost Software License, Version 1.0. (See accompanying 95 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>) 96 </p> 97</div></td> 98</tr></table> 99<hr> 100<div class="spirit-nav"> 101<a accesskey="p" href="operator_idm45304011279584.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../interprocess/indexes_reference.html#header.boost.interprocess.permissions_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="segment_manager.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 102</div> 103</body> 104</html> 105