1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../../css/manpage.css" type="text/css" /> 7 <style type="text/css"><!-- 8 span.static_style 9 { 10 font-size : 8pt; 11 color : white; 12 font-weight : bold; 13 background : #44f; 14 border-left : solid 1px #aaf; 15 border-top : solid 1px #aaf; 16 border-right : solid 1px #00c; 17 border-bottom : solid 1px #00c; 18 padding-left : 2px; 19 padding-right : 2px; 20 } 21 span.virtual_style 22 { 23 font-size : 8pt; 24 color : white; 25 font-weight : bold; 26 background : #0a0; 27 border-left : solid 1px #0f0; 28 border-top : solid 1px #0f0; 29 border-right : solid 1px #060; 30 border-bottom : solid 1px #060; 31 padding-left : 2px; 32 padding-right : 2px; 33 } 34 span.protected_style 35 { 36 font-size : 8pt; 37 color : white; 38 font-weight : bold; 39 background : #444; 40 border-left : solid 1px #ccc; 41 border-top : solid 1px #ccc; 42 border-right : solid 1px #222; 43 border-bottom : solid 1px #222; 44 padding-left : 2px; 45 padding-right : 2px; 46 } 47 --></style> 48<title>nn::os::LightBarrier</title> 49 </head> 50 <body> 51<h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/os/Overview.html">os</a>::LightBarrier</CODE> Class</h1> 52 <div class="section"> 53<b>Header file: </b>nn/os.h</div> 54<h2>Syntax</h2> 55 <div class="section"> 56<pre class="definition">class LightBarrier :private <a href="../../../nn/util/NonCopyable/Overview.html">nn::util::NonCopyable< LightBarrier ></a></pre> 57 </div> 58<h2>Description</h2> 59 <div class="section"> 60<p>Synchronization mechanism that waits for the arrival of multiple threads.</p><p>Until the number of threads specified during initialization arrive, any threads that arrive early will be made to wait.</p><p>This class cannot be used to wait for the arrival of <I>M</I> threads, where <I>M</I> is a subset of the total number of threads <I>N</I> (where <I>M </I>< <I>N</I>).</p><p>All member functions of this class are thread-safe with the exception of <a href="../../../nn/os/LightBarrier/Await.html"><CODE>Await</CODE></a>, <CODE>Initialize</CODE>, and <CODE>Finalize</CODE>. The <a href="../../../nn/os/LightBarrier/Await.html"><CODE>Await</CODE></a> function is only thread-safe between the number of threads specified by either the constructor or the <a href="../../../nn/os/LightBarrier/Initialize.html"><CODE>Initialize</CODE></a> member function.</p><!-- write here --></div> 61 <a name="function" id="function"> 62<h2>Member Functions</h2> 63 <div class="section"> 64 <table class="members"> 65 <tr> 66<th class="category" colspan="3">Initialization/Finalization</th> 67 </tr> 68 <tr> 69 <td width="100"> </td> 70 <th> 71<a href="../../../nn/os/LightBarrier/LightBarrier.html"><CODE>LightBarrier</CODE></a> 72 </th> 73<td>Constructor.</td> 74 </tr> 75 <tr> 76 <td width="100"> </td> 77 <th> 78<a href="../../../nn/os/LightBarrier/Initialize.html"><CODE>Initialize</CODE></a> 79 </th> 80<td>Performs initialization.</td> 81 </tr> 82 <tr> 83 <td width="100"> </td> 84 <th> 85<a href="../../../nn/os/LightBarrier/Finalize.html"><CODE>Finalize</CODE></a> 86 </th> 87<td>Performs finalization.</td> 88 </tr> 89 <tr> 90<th class="category" colspan="3">Obtaining Debug Info</th> 91 </tr> 92 <tr> 93 <td width="100"> </td> 94 <th> 95<a href="../../../nn/os/LightBarrier/GetReleaseCount.html"><CODE>GetReleaseCount</CODE></a> 96 </th> 97<td>Gets the number of threads to wait for.</td> 98 </tr> 99 <tr> 100 <td width="100"> </td> 101 <th> 102<a href="../../../nn/os/LightBarrier/GetNumOfWaiting.html"><CODE>GetNumOfWaiting</CODE></a> 103 </th> 104<td>Gets the number of threads that are waiting.</td> 105 </tr> 106 <tr> 107<th class="category" colspan="3">Thread Blocking Control</th> 108 </tr> 109 <tr> 110 <td width="100"> </td> 111 <th> 112<a href="../../../nn/os/LightBarrier/Await.html"><CODE>Await</CODE></a> 113 </th> 114<td>Waits for the arrival of another thread.</td> 115 </tr> </table> 116 </div> 117 </a> 118<h2>Class Hierarchy</h2> 119 <div class="section"> 120<p class="hierarchy"><CODE><a href="../../../nn/util/NonCopyable/Overview.html">nn::util::NonCopyable</a></CODE><br /> <b><CODE>nn::os::LightBarrier</CODE></b> 121 </p> 122 </div> 123<h2>Revision History</h2> 124 <div class="section"> 125 <dl class="history"> 126 <dt>2010/06/14</dt> 127<dd>Initial version.<br /> 128 </dd> 129 </dl> 130 </div> 131 <hr><p>CONFIDENTIAL</p></body> 132</html> 133