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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><link rel="STYLESHEET" type="text/css" href="wrs.css"><title>    Overview    </title></head><body bgcolor="FFFFFF"><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a></a><a href="intro.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="intro6.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="gettingStarted.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p><font face="Helvetica, sans-serif" class="sans"><h3 class="H2"><i><a name="87408">1.7  &nbsp;&nbsp;About I/O Sequencing</a></i></h3></font><dl class="margin"><dl class="margin"><dd><p class="Body"><a name="87484"> </a>VxWorks favors task priorities over I/O sequence when servicing I/O requests.  Thus, if a low priority task and a high priority task request an I/O service while the resource is busy, the high priority task gets the resource when it becomes available--even if the low priority got its request in before the high priority task. To VxWorks, a flash device is just another resource. </p></dl></dl><a name="foot"><hr></a><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a></a><a href="intro.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="intro6.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="gettingStarted.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p></body></html><!---by WRS Documentation (), Wind River Systems, Inc.    conversion tool:  Quadralay WebWorks Publisher 4.0.11    template:         CSS Template, Jan 1998 - Jefro --->

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