<!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 1.8.5"/> <title>libstdc++: std::chrono::_V2::system_clock Struct 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="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.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 style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('a00669.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="#pub-methods">Public Member Functions</a> | <a href="#pub-static-methods">Static Public Member Functions</a> | <a href="a03496.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::chrono::_V2::system_clock Struct Reference</div> </div> </div><!--header--> <div class="contents"> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:a7c4852b52bceaf195e6130a546089ef1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7c4852b52bceaf195e6130a546089ef1"></a> typedef <a class="el" href="a01669.html#a41d0bd8a6e031eb9321ad13de37723de">chrono::nanoseconds</a> </td><td class="memItemRight" valign="bottom"><b>duration</b></td></tr> <tr class="separator:a7c4852b52bceaf195e6130a546089ef1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a19f5f66b26c08ee10e1e6b3099382506"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a19f5f66b26c08ee10e1e6b3099382506"></a> typedef duration::period </td><td class="memItemRight" valign="bottom"><b>period</b></td></tr> <tr class="separator:a19f5f66b26c08ee10e1e6b3099382506"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0f9b13e27a9b69b06a27f21b25238c62"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0f9b13e27a9b69b06a27f21b25238c62"></a> typedef duration::rep </td><td class="memItemRight" valign="bottom"><b>rep</b></td></tr> <tr class="separator:a0f9b13e27a9b69b06a27f21b25238c62"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a756226926239cea8637e1cb6e1b4360a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a756226926239cea8637e1cb6e1b4360a"></a> typedef <a class="el" href="a00672.html">chrono::time_point</a><br class="typebreak"/> < <a class="el" href="a00669.html">system_clock</a>, <a class="el" href="a00670.html">duration</a> > </td><td class="memItemRight" valign="bottom"><b>time_point</b></td></tr> <tr class="separator:a756226926239cea8637e1cb6e1b4360a"><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:aab95e9973e597c667ce67e056c99fe82"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aab95e9973e597c667ce67e056c99fe82"></a> < system_clock::duration::zero(),"aclock'sminimumdurationcannotbelessthanitsepoch");staticconstexprboolis_steady=false;statictime_pointnow() <br class="typebreak"/> noexcept;staticstd::time_tto_time_t(consttime_point <br class="typebreak"/> &__t) noexcept{returnstd::time_t(<a class="el" href="a01669.html#a98f89f48d8117f57ee6c7d5392ad9fdd">duration_cast</a><br class="typebreak"/> < <a class="el" href="a01669.html#acc2f93e09fbc239b7a4b48d3c577d0ba">chrono::seconds</a> > __t </td><td class="memItemRight" valign="bottom"><b>time_since_epoch</b> ()).<a class="el" href="a01662.html#a8f6cca82d2559b11064c4eef2d292d3b">count</a>())</td></tr> <tr class="separator:aab95e9973e597c667ce67e056c99fe82"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a> Static Public Member Functions</h2></td></tr> <tr class="memitem:a831357fe7a17eaadd4c5ec2592951765"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a831357fe7a17eaadd4c5ec2592951765"></a> static <a class="el" href="a00672.html">time_point</a> </td><td class="memItemRight" valign="bottom"><b>from_time_t</b> (std::time_t __t) noexcept</td></tr> <tr class="separator:a831357fe7a17eaadd4c5ec2592951765"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>System clock. </p> <p>Time returned represents wall time from the system-wide clock. </p> <p>Definition at line <a class="el" href="a01089_source.html#l00715">715</a> of file <a class="el" href="a01089_source.html">chrono</a>.</p> </div><hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="a01089_source.html">chrono</a></li> </ul> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="a01662.html">std</a></li><li class="navelem"><a class="el" href="a01669.html">chrono</a></li><li class="navelem"><b>_V2</b></li><li class="navelem"><a class="el" href="a00669.html">system_clock</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.5 </li> </ul> </div> </body> </html>