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 template second_clock</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="../../date_time/doxy.html#header.boost.date_time.time_clock_hpp" title="Header <boost/date_time/time_clock.hpp>"> 10<link rel="prev" href="base_time.html" title="Class template base_time"> 11<link rel="next" href="subsecond_duration.html" title="Class template subsecond_duration"> 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++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="base_time.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.time_clock_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="subsecond_duration.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.date_time.second_clock"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template second_clock</span></h2> 30<p>boost::date_time::second_clock — A clock providing time level services based on C time_t capabilities. </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="../../date_time/doxy.html#header.boost.date_time.time_clock_hpp" title="Header <boost/date_time/time_clock.hpp>">boost/date_time/time_clock.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> time_type<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="second_clock.html" title="Class template second_clock">second_clock</a> <span class="special">{</span> 37<span class="keyword">public</span><span class="special">:</span> 38 <span class="comment">// types</span> 39 <span class="keyword">typedef</span> <span class="identifier">time_type</span><span class="special">::</span><span class="identifier">date_type</span> <a name="boost.date_time.second_clock.date_type"></a><span class="identifier">date_type</span><span class="special">;</span> 40 <span class="keyword">typedef</span> <span class="identifier">time_type</span><span class="special">::</span><span class="identifier">time_duration_type</span> <a name="boost.date_time.second_clock.time_duration_type"></a><span class="identifier">time_duration_type</span><span class="special">;</span> 41 42 <span class="comment">// <a class="link" href="second_clock.html#id-1_3_14_15_3_46_2_1_1_6-bb">public static functions</a></span> 43 <span class="keyword">static</span> <span class="identifier">time_type</span> <a class="link" href="second_clock.html#id-1_3_14_15_3_46_2_1_1_6_1-bb"><span class="identifier">local_time</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 44 <span class="keyword">static</span> <span class="identifier">time_type</span> <a class="link" href="second_clock.html#id-1_3_14_15_3_46_2_1_1_6_2-bb"><span class="identifier">universal_time</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 45 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> time_zone_type<span class="special">></span> 46 <span class="keyword">static</span> <span class="identifier">time_type</span> <a class="link" href="second_clock.html#id-1_3_14_15_3_46_2_1_1_6_3-bb"><span class="identifier">local_time</span></a><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special"><</span> <span class="identifier">time_zone_type</span> <span class="special">></span><span class="special">)</span><span class="special">;</span> 47 48 <span class="comment">// <a class="link" href="second_clock.html#id-1_3_14_15_3_46_2_1_1_7-bb">private static functions</a></span> 49 <span class="keyword">static</span> <span class="identifier">time_type</span> <a class="link" href="second_clock.html#id-1_3_14_15_3_46_2_1_1_7_1-bb"><span class="identifier">create_time</span></a><span class="special">(</span><span class="special">::</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">tm</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 50<span class="special">}</span><span class="special">;</span></pre></div> 51<div class="refsect1"> 52<a name="id-1.3.14.15.3.45.4.4"></a><h2>Description</h2> 53<p>This clock provides resolution to the 1 second level </p> 54<div class="refsect2"> 55<a name="id-1.3.14.15.3.45.4.4.3"></a><h3> 56<a name="id-1_3_14_15_3_46_2_1_1_6-bb"></a><code class="computeroutput">second_clock</code> public static functions</h3> 57<div class="orderedlist"><ol class="orderedlist" type="1"> 58<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_type</span> <a name="id-1_3_14_15_3_46_2_1_1_6_1-bb"></a><span class="identifier">local_time</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 59<li class="listitem"> 60<pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_type</span> <a name="id-1_3_14_15_3_46_2_1_1_6_2-bb"></a><span class="identifier">universal_time</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Get the current day in universal date as a ymd_type. </li> 61<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> time_zone_type<span class="special">></span> 62 <span class="keyword">static</span> <span class="identifier">time_type</span> <a name="id-1_3_14_15_3_46_2_1_1_6_3-bb"></a><span class="identifier">local_time</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special"><</span> <span class="identifier">time_zone_type</span> <span class="special">></span> tz_ptr<span class="special">)</span><span class="special">;</span></pre></li> 63</ol></div> 64</div> 65<div class="refsect2"> 66<a name="id-1.3.14.15.3.45.4.4.4"></a><h3> 67<a name="id-1_3_14_15_3_46_2_1_1_7-bb"></a><code class="computeroutput">second_clock</code> private static functions</h3> 68<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_type</span> <a name="id-1_3_14_15_3_46_2_1_1_7_1-bb"></a><span class="identifier">create_time</span><span class="special">(</span><span class="special">::</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">tm</span> <span class="special">*</span> current<span class="special">)</span><span class="special">;</span></pre></li></ol></div> 69</div> 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 © 2001-2005 CrystalClear Software, Inc<p>Subject to the Boost Software License, Version 1.0. (See accompanying file 75 <code class="filename">LICENSE_1_0.txt</code> 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> 76</div></td> 77</tr></table> 78<hr> 79<div class="spirit-nav"> 80<a accesskey="p" href="base_time.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.time_clock_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="subsecond_duration.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 81</div> 82</body> 83</html> 84
