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<title>11.3 RTOS aware printing</title>

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<h2>
  <a name="1204558"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">11.3 	 RTOS aware printing</font>
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<p>
  <a name="1204562"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">When an OS20 object is printed, <strong>st20run</strong> can either display the data structure as a normal C structure, or attempt to interpret the data and display it in a more meaningful way. By default, the graphical user interface interprets the data structure, although this behavior can be suppressed if required. When using the <font size=2 face=Courier><strong>print</strong></font> command, data structure interpretation can be enabled by using the <font  face="Verdana, Arial, Helvetica, sans-serif"><b>rtos</b></font> option.</font>
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<p>
  <a name="1204563"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">Data structures of the following types are interpreted:</font>
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<a name="1204564"> </a><font size=2 face=Courier><strong>task_t<br>semaphore_t<br>message_queue_t<br>chan_t<br>partition_t<br></strong></font>



<p>
  <a name="1204569"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">In particular, the "class" of any object is displayed (for example whether a semaphore is FIFO or priority based semaphore). Also if tasks can be blocked waiting for a data structure to be made ready, the list of tasks waiting is displayed, using the same format as used in the task command; see <a href="os20rto6.htm#1204475"><font  color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Section

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