| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> |
| <title>task_scheduler_observer.h Source File</title> |
| <link href="doxygen.css" rel="stylesheet" type="text/css"> |
| <link href="tabs.css" rel="stylesheet" type="text/css"> |
| </head><body> |
| <!-- Generated by Doxygen 1.4.7 --> |
| <div class="tabs"> |
| <ul> |
| <li><a href="index.html"><span>Main Page</span></a></li> |
| <li><a href="modules.html"><span>Modules</span></a></li> |
| <li><a href="namespaces.html"><span>Namespaces</span></a></li> |
| <li><a href="annotated.html"><span>Classes</span></a></li> |
| <li id="current"><a href="files.html"><span>Files</span></a></li> |
| <li><a href="pages.html"><span>Related Pages</span></a></li> |
| </ul></div> |
| <div class="tabs"> |
| <ul> |
| <li><a href="files.html"><span>File List</span></a></li> |
| <li><a href="globals.html"><span>File Members</span></a></li> |
| </ul></div> |
| <h1>task_scheduler_observer.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
| <a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2010 Intel Corporation. All Rights Reserved.</span> |
| <a name="l00003"></a>00003 <span class="comment"></span> |
| <a name="l00004"></a>00004 <span class="comment"> The source code contained or described herein and all documents related</span> |
| <a name="l00005"></a>00005 <span class="comment"> to the source code ("Material") are owned by Intel Corporation or its</span> |
| <a name="l00006"></a>00006 <span class="comment"> suppliers or licensors. Title to the Material remains with Intel</span> |
| <a name="l00007"></a>00007 <span class="comment"> Corporation or its suppliers and licensors. The Material is protected</span> |
| <a name="l00008"></a>00008 <span class="comment"> by worldwide copyright laws and treaty provisions. No part of the</span> |
| <a name="l00009"></a>00009 <span class="comment"> Material may be used, copied, reproduced, modified, published, uploaded,</span> |
| <a name="l00010"></a>00010 <span class="comment"> posted, transmitted, distributed, or disclosed in any way without</span> |
| <a name="l00011"></a>00011 <span class="comment"> Intel's prior express written permission.</span> |
| <a name="l00012"></a>00012 <span class="comment"></span> |
| <a name="l00013"></a>00013 <span class="comment"> No license under any patent, copyright, trade secret or other</span> |
| <a name="l00014"></a>00014 <span class="comment"> intellectual property right is granted to or conferred upon you by</span> |
| <a name="l00015"></a>00015 <span class="comment"> disclosure or delivery of the Materials, either expressly, by</span> |
| <a name="l00016"></a>00016 <span class="comment"> implication, inducement, estoppel or otherwise. Any license under such</span> |
| <a name="l00017"></a>00017 <span class="comment"> intellectual property rights must be express and approved by Intel in</span> |
| <a name="l00018"></a>00018 <span class="comment"> writing.</span> |
| <a name="l00019"></a>00019 <span class="comment">*/</span> |
| <a name="l00020"></a>00020 |
| <a name="l00021"></a>00021 <span class="preprocessor">#ifndef __TBB_task_scheduler_observer_H</span> |
| <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define __TBB_task_scheduler_observer_H</span> |
| <a name="l00023"></a>00023 <span class="preprocessor"></span> |
| <a name="l00024"></a>00024 <span class="preprocessor">#include "atomic.h"</span> |
| <a name="l00025"></a>00025 |
| <a name="l00026"></a>00026 <span class="preprocessor">#if __TBB_SCHEDULER_OBSERVER</span> |
| <a name="l00027"></a>00027 <span class="preprocessor"></span> |
| <a name="l00028"></a>00028 <span class="keyword">namespace </span>tbb { |
| <a name="l00029"></a>00029 |
| <a name="l00030"></a>00030 <span class="keyword">namespace </span>internal { |
| <a name="l00031"></a>00031 |
| <a name="l00032"></a>00032 <span class="keyword">class </span>observer_proxy; |
| <a name="l00033"></a>00033 |
| <a name="l00034"></a>00034 <span class="keyword">class </span>task_scheduler_observer_v3 { |
| <a name="l00035"></a>00035 <span class="keyword">friend</span> <span class="keyword">class </span>observer_proxy; |
| <a name="l00036"></a>00036 observer_proxy* my_proxy; |
| <a name="l00037"></a>00037 atomic<intptr_t> my_busy_count; |
| <a name="l00038"></a>00038 <span class="keyword">public</span>: |
| <a name="l00040"></a>00040 <span class="keywordtype">void</span> __TBB_EXPORTED_METHOD observe( <span class="keywordtype">bool</span> state=<span class="keyword">true</span> ); |
| <a name="l00041"></a>00041 |
| <a name="l00043"></a>00043 <span class="keywordtype">bool</span> is_observing()<span class="keyword"> const </span>{<span class="keywordflow">return</span> my_proxy!=NULL;} |
| <a name="l00044"></a>00044 |
| <a name="l00046"></a>00046 task_scheduler_observer_v3() : my_proxy(NULL) {my_busy_count=0;} |
| <a name="l00047"></a>00047 |
| <a name="l00049"></a>00049 <span class="keyword">virtual</span> <span class="keywordtype">void</span> on_scheduler_entry( <span class="keywordtype">bool</span> <span class="comment">/*is_worker*/</span> ) {} |
| <a name="l00050"></a>00050 |
| <a name="l00052"></a>00052 <span class="keyword">virtual</span> <span class="keywordtype">void</span> on_scheduler_exit( <span class="keywordtype">bool</span> <span class="comment">/*is_worker*/</span> ) {} |
| <a name="l00053"></a>00053 |
| <a name="l00055"></a>00055 <span class="keyword">virtual</span> ~task_scheduler_observer_v3() {observe(<span class="keyword">false</span>);} |
| <a name="l00056"></a>00056 }; |
| <a name="l00057"></a>00057 |
| <a name="l00058"></a>00058 } <span class="comment">// namespace internal</span> |
| <a name="l00059"></a>00059 |
| <a name="l00060"></a>00060 <span class="keyword">typedef</span> internal::task_scheduler_observer_v3 task_scheduler_observer; |
| <a name="l00061"></a>00061 |
| <a name="l00062"></a>00062 } <span class="comment">// namespace tbb</span> |
| <a name="l00063"></a>00063 |
| <a name="l00064"></a>00064 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_SCHEDULER_OBSERVER */</span> |
| <a name="l00065"></a>00065 |
| <a name="l00066"></a>00066 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_task_scheduler_observer_H */</span> |
| </pre></div><hr> |
| <p></p> |
| Copyright © 2005-2010 Intel Corporation. All Rights Reserved. |
| <p></p> |
| Intel, Pentium, Intel Xeon, Itanium, Intel XScale and VTune are |
| registered trademarks or trademarks of Intel Corporation or its |
| subsidiaries in the United States and other countries. |
| <p></p> |
| * Other names and brands may be claimed as the property of others. |
