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<h2>
<a name="1209719"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">task_unlock</font>
</h2><hr>
<p>
<a name="1209720"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Allow task rescheduling</font>
</p>
<h3>
<a name="1209721"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Synopsis</font>
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<a name="1209722"> </a><font size=2 face=Courier><strong>#include <task.h><br></strong></font>
<a name="1209723"> </a><font size=2 face=Courier><strong>void task_unlock( void );<br></strong></font>
<h3>
<a name="1209724"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Arguments</font>
</h3>
<p>
<a name="1209725"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
</p>
<h3>
<a name="1209727"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Results</font>
</h3>
<p>
<a name="1209728"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
</p>
<h3>
<a name="1209729"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Errors</font>
</h3>
<p>
<a name="1209730"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
</p>
<h3>
<a name="1209731"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Description</font>
</h3>
<p>
<a name="1209732"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This function allows the scheduler to resume scheduling following a call to <font size=2 face=Courier><strong>task_lock()</strong></font>. The highest priority task currently available (which may not be the task which calls this function) continues running.</font>
</p>
<p>
<a name="1209733"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This function should always be called as a pair with <font size=2 face=Courier><strong>task_lock()</strong></font>, so that it can be used to create a critical region in which the task cannot be preempted by another task. As calls to <font size=2 face=Courier><strong>task_lock()</strong></font> can be nested, the lock is not released until an equal number of calls to <font size=2 face=Courier><strong>task_unlock()</strong></font> have been made.</font>
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<h3>
<a name="1209734"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Callable from</font>
</h3>
<p>
<a name="1209735"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Tasks only</font>
</p>
<h3>
<a name="1209736"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">See also</font>
</h3>
<p>
<a name="1209737"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><a href="libs46.htm#1206908"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>interrupt_lock</i></font></a>, <a href="libs123.htm#1209326"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>task_lock</i></font></a></font>
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<font size=1 face="Verdana, Arial, Helvetica, sans-serif"> © 2001, 2002, 2003 STMicroelectronics. All Rights Reserved.<br>
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