186 lines
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186 lines
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<li class="navelem"><a class="el" href="a00228.html">tbb</a></li><li class="navelem"><b>internal</b></li><li class="navelem"><a class="el" href="a00147.html">task_scheduler_observer_v3</a></li> </ul>
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<div class="title">tbb::internal::task_scheduler_observer_v3 Class Reference</div> </div>
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Inheritance diagram for tbb::internal::task_scheduler_observer_v3:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a40209b347e3c82bb5bfda05941304309"><td class="memItemLeft" align="right" valign="top">void __TBB_EXPORTED_METHOD </td><td class="memItemRight" valign="bottom"><a class="el" href="a00147.html#a40209b347e3c82bb5bfda05941304309">observe</a> (bool state=true)</td></tr>
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<tr class="memdesc:a40209b347e3c82bb5bfda05941304309"><td class="mdescLeft"> </td><td class="mdescRight">Enable or disable observation. <a href="#a40209b347e3c82bb5bfda05941304309">More...</a><br/></td></tr>
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<tr class="separator:a40209b347e3c82bb5bfda05941304309"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a31abaf256f7172f010cfb2259c7787bb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a31abaf256f7172f010cfb2259c7787bb"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00147.html#a31abaf256f7172f010cfb2259c7787bb">is_observing</a> () const </td></tr>
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<tr class="memdesc:a31abaf256f7172f010cfb2259c7787bb"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if observation is enabled, false otherwise. <br/></td></tr>
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<tr class="separator:a31abaf256f7172f010cfb2259c7787bb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a25bffb05efaaab36bc58590969e29745"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a25bffb05efaaab36bc58590969e29745"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="a00147.html#a25bffb05efaaab36bc58590969e29745">task_scheduler_observer_v3</a> ()</td></tr>
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<tr class="memdesc:a25bffb05efaaab36bc58590969e29745"><td class="mdescLeft"> </td><td class="mdescRight">Construct observer with observation disabled. <br/></td></tr>
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<tr class="separator:a25bffb05efaaab36bc58590969e29745"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af4282a27725fbe86052bb785bdd9c5d3"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00147.html#af4282a27725fbe86052bb785bdd9c5d3">on_scheduler_entry</a> (bool)</td></tr>
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<tr class="memdesc:af4282a27725fbe86052bb785bdd9c5d3"><td class="mdescLeft"> </td><td class="mdescRight">Entry notification. <a href="#af4282a27725fbe86052bb785bdd9c5d3">More...</a><br/></td></tr>
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<tr class="separator:af4282a27725fbe86052bb785bdd9c5d3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a657e90f833568e217b807d0122fa7668"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00147.html#a657e90f833568e217b807d0122fa7668">on_scheduler_exit</a> (bool)</td></tr>
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<tr class="memdesc:a657e90f833568e217b807d0122fa7668"><td class="mdescLeft"> </td><td class="mdescRight">Exit notification. <a href="#a657e90f833568e217b807d0122fa7668">More...</a><br/></td></tr>
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<tr class="memitem:a151e475ebba39172fcc13f43bed426cc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a151e475ebba39172fcc13f43bed426cc"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a00147.html#a151e475ebba39172fcc13f43bed426cc">~task_scheduler_observer_v3</a> ()</td></tr>
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<tr class="memdesc:a151e475ebba39172fcc13f43bed426cc"><td class="mdescLeft"> </td><td class="mdescRight">Destructor automatically switches observation off if it is enabled. <br/></td></tr>
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<tr class="separator:a151e475ebba39172fcc13f43bed426cc"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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Friends</h2></td></tr>
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class </td><td class="memItemRight" valign="bottom"><b>observer_proxy</b></td></tr>
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class </td><td class="memItemRight" valign="bottom"><b>observer_list</b></td></tr>
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class </td><td class="memItemRight" valign="bottom"><b>interface6::task_scheduler_observer</b></td></tr>
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</table>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a40209b347e3c82bb5bfda05941304309"></a>
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<td class="memname">void __TBB_EXPORTED_METHOD tbb::internal::task_scheduler_observer_v3::observe </td>
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<td>(</td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>state</em> = <code>true</code>)</td><td></td>
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<td></td>
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<p>Enable or disable observation. </p>
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<p>For local observers the method can be used only when the current thread has the task scheduler initialized or is attached to an arena.</p>
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<p>Repeated calls with the same state are no-ops. </p>
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<p>Referenced by <a class="el" href="a00146.html#ad5b33790cea52c61e1fb004a8ed26365">tbb::interface6::task_scheduler_observer::observe()</a>, and <a class="el" href="a00147.html#a151e475ebba39172fcc13f43bed426cc">~task_scheduler_observer_v3()</a>.</p>
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<td class="memname">virtual void tbb::internal::task_scheduler_observer_v3::on_scheduler_entry </td>
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<td>(</td>
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<td class="paramtype">bool </td>
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<td class="paramname">)</td><td></td>
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<td></td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Entry notification. </p>
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<p>Invoked from inside observe(true) call and whenever a worker enters the arena this observer is associated with. If a thread is already in the arena when the observer is activated, the entry notification is called before it executes the first stolen task.</p>
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<p>Obsolete semantics. For global observers it is called by a thread before the first steal since observation became enabled. </p>
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<td class="memname">virtual void tbb::internal::task_scheduler_observer_v3::on_scheduler_exit </td>
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<td>(</td>
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<td class="paramtype">bool </td>
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<td class="paramname">)</td><td></td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Exit notification. </p>
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<p>Invoked from inside observe(false) call and whenever a worker leaves the arena this observer is associated with.</p>
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<p>Obsolete semantics. For global observers it is called by a thread before the first steal since observation became enabled. </p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>task_scheduler_observer.h</li>
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</ul>
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<p></p>
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Copyright © 2005-2016 Intel Corporation. All Rights Reserved.
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<p></p>
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Intel, Pentium, Intel Xeon, Itanium, Intel XScale and VTune are
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registered trademarks or trademarks of Intel Corporation or its
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subsidiaries in the United States and other countries.
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<p></p>
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* Other names and brands may be claimed as the property of others.
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