<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.11"/> <title>glibmm: Glib::Threads::RWLock Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="doxygen-extra.css" rel="stylesheet" type="text/css"/> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">glibmm  <span id="projectnumber">2.60.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.11 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespaceGlib.html">Glib</a></li><li class="navelem"><a class="el" href="namespaceGlib_1_1Threads.html">Threads</a></li><li class="navelem"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#nested-classes">Classes</a> | <a href="#pub-methods">Public Member Functions</a> | <a href="classGlib_1_1Threads_1_1RWLock-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">Glib::Threads::RWLock Class Reference<div class="ingroups"><a class="el" href="group__Threads.html">Threads</a></div></div> </div> </div><!--header--> <div class="contents"> <p>This represents a reader-writer lock. <a href="classGlib_1_1Threads_1_1RWLock.html#details">More...</a></p> <p><code>#include <glibmm/threads.h></code></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> Classes</h2></td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock_1_1ReaderLock.html">ReaderLock</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Utility class for exception-safe locking of read/write locks. <a href="classGlib_1_1Threads_1_1RWLock_1_1ReaderLock.html#details">More...</a><br /></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock_1_1WriterLock.html">WriterLock</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Utility class for exception-safe locking of read/write locks. <a href="classGlib_1_1Threads_1_1RWLock_1_1WriterLock.html#details">More...</a><br /></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a4de0016496df8d84672d324744d6b9cf"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a4de0016496df8d84672d324744d6b9cf">RWLock</a> ()</td></tr> <tr class="separator:a4de0016496df8d84672d324744d6b9cf"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a5b96fd2a4ba9c56e37e9038c97c1561c"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a5b96fd2a4ba9c56e37e9038c97c1561c">RWLock</a> (const <a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a>&)=delete</td></tr> <tr class="separator:a5b96fd2a4ba9c56e37e9038c97c1561c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a136cdf23fe80f87022dc056677dd2f8b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a136cdf23fe80f87022dc056677dd2f8b">operator=</a> (const <a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a>&)=delete</td></tr> <tr class="separator:a136cdf23fe80f87022dc056677dd2f8b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a79400545ef8c48abcab8e04bf7082d33"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a79400545ef8c48abcab8e04bf7082d33">~RWLock</a> ()</td></tr> <tr class="separator:a79400545ef8c48abcab8e04bf7082d33"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4baa11d561b690e83830caf76172291c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a4baa11d561b690e83830caf76172291c">reader_lock</a> ()</td></tr> <tr class="separator:a4baa11d561b690e83830caf76172291c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a524f9df39169b9e5bc552e1f052f12ea"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a524f9df39169b9e5bc552e1f052f12ea">reader_trylock</a> ()</td></tr> <tr class="separator:a524f9df39169b9e5bc552e1f052f12ea"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af5b67ec536bf340aee46647ec9ba35c7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#af5b67ec536bf340aee46647ec9ba35c7">reader_unlock</a> ()</td></tr> <tr class="separator:af5b67ec536bf340aee46647ec9ba35c7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a07c1d3b85c1324c34ddc4df500a9d233"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a07c1d3b85c1324c34ddc4df500a9d233">writer_lock</a> ()</td></tr> <tr class="separator:a07c1d3b85c1324c34ddc4df500a9d233"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afd77b9bcdcd712dbd422c51fef9595a4"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#afd77b9bcdcd712dbd422c51fef9595a4">writer_trylock</a> ()</td></tr> <tr class="separator:afd77b9bcdcd712dbd422c51fef9595a4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a64c9ae6cd44743db54cf487c7c04d2f8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a64c9ae6cd44743db54cf487c7c04d2f8">writer_unlock</a> ()</td></tr> <tr class="separator:a64c9ae6cd44743db54cf487c7c04d2f8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a591025ba8a3f5f2a6cff66661ec7462b"><td class="memItemLeft" align="right" valign="top">GRWLock* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a591025ba8a3f5f2a6cff66661ec7462b">gobj</a> ()</td></tr> <tr class="separator:a591025ba8a3f5f2a6cff66661ec7462b"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>This represents a reader-writer lock. </p> <p>It is similar to a <a class="el" href="classGlib_1_1Threads_1_1Mutex.html" title="Represents a mutex (mutual exclusion). ">Mutex</a> in that it allows multiple threads to coordinate access to a shared resource.</p> <p>The difference to a mutex is that a reader-writer lock discriminates between read-only ('reader') and full ('writer') access. While only one thread at a time is allowed write access (by holding the 'writer' lock via <a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a07c1d3b85c1324c34ddc4df500a9d233">writer_lock()</a>), multiple threads can gain simultaneous read-only access (by holding the 'reader' lock via <a class="el" href="classGlib_1_1Threads_1_1RWLock.html#a4baa11d561b690e83830caf76172291c">reader_lock()</a>).</p> <dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000053">Deprecated:</a></b></dt><dd>Please use <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a06256.html">std::lock_guard</a> or <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a06260.html">std::unique_lock</a> instead, with <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a02888.html">std::shared_timed_mutex</a>. </dd></dl> </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> <a class="anchor" id="a4de0016496df8d84672d324744d6b9cf"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Glib::Threads::RWLock::RWLock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a5b96fd2a4ba9c56e37e9038c97c1561c"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">Glib::Threads::RWLock::RWLock </td> <td>(</td> <td class="paramtype">const <a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a>& </td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">delete</span></span> </td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a79400545ef8c48abcab8e04bf7082d33"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Glib::Threads::RWLock::~RWLock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a591025ba8a3f5f2a6cff66661ec7462b"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">GRWLock* Glib::Threads::RWLock::gobj </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a136cdf23fe80f87022dc056677dd2f8b"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a>& Glib::Threads::RWLock::operator= </td> <td>(</td> <td class="paramtype">const <a class="el" href="classGlib_1_1Threads_1_1RWLock.html">RWLock</a>& </td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">delete</span></span> </td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a4baa11d561b690e83830caf76172291c"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void Glib::Threads::RWLock::reader_lock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a524f9df39169b9e5bc552e1f052f12ea"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool Glib::Threads::RWLock::reader_trylock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="af5b67ec536bf340aee46647ec9ba35c7"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void Glib::Threads::RWLock::reader_unlock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a07c1d3b85c1324c34ddc4df500a9d233"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void Glib::Threads::RWLock::writer_lock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="afd77b9bcdcd712dbd422c51fef9595a4"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool Glib::Threads::RWLock::writer_trylock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a64c9ae6cd44743db54cf487c7c04d2f8"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void Glib::Threads::RWLock::writer_unlock </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Tue Mar 19 2019 09:56:48 for glibmm by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.11 </small></address> </body> </html>