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<h1 align="right" class="TitleProduct"><font
face="Helvetica, sans-serif"><font class="sans"><i>VxWorks</font></i></font></h1>
<h3 align="right" class="TitleVolume"><i>Programmer's Guide</i></h3>
<h4 align="right" class="TitleSubtitle"><font
face="Helvetica, sans-serif"><font class="sans"></font></font></h4>
<h1 align="right" class="TitleRelease"><font
face="Helvetica, sans-serif"><font class="sans"><i>5.4</font></i></font></h1>
<h4 align="right" class="TitleEdition"><font
face="Helvetica, sans-serif"><font class="sans"><i>Edition 1</font></i></font></h4>
<p align="right" class="navbar"> </p>
<hr>
<h3 align="right" class="Contents"><font size="2"
face="Helvetica, sans-serif"><font class="sans"><i>Contents</font></i></font></h3>
<h4 align="right" class="Subtitle"><font size="2"
face="Helvetica, sans-serif"><font class="sans"></font></font></h4>
<dl class="margin">
<dd><h5 class="H1chapTOC"><a href="c-over.html">1 <b>Overview
</b></a></h5>
<dl class="margin">
<dd><h5 class="H2TOC"><a href="c-over1.html">1.1
Introduction</a></h5>
</dd>
<dd><h5 class="H2TOC"><a href="c-over2.html">1.2
Getting Started with the Tornado Development
System</a></h5>
</dd>
<dd><h5 class="H2TOC"><a href="c-over3.html">1.3
VxWorks: A Partner in the Real-time Development
Cycle</a></h5>
</dd>
<dd><h5 class="H2TOC"><a href="c-over4.html">1.4
VxWorks Facilities: An Overview</a></h5>
<dl class="margin">
<dd><dl class="margin">
<dd><h5 class="H4TOC"><a
href="c-over4.html#83529">Multitasking
and Intertask Communications</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83555">POSIX
Interfaces</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83567">I/O
System</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83582">Local
File Systems</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83661">Virtual
Memory (Including VxVMI Option)</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83672">Shared-Memory
Objects (VxMP Option)</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83682">Target-Resident
Tools</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83691">C++
Development (including Wind
Foundation Classes Option)</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83703">Utility
Libraries</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83765">Performance
Evaluation</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83777">Target
Agent</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83830">Board
Support Packages (BSPs)</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-over4.html#83839">VxWorks
Simulator (VxSim Option)</a></h5>
</dd>
</dl>
</dd>
</dl>
</dd>
<dd><h5 class="H2TOC"><a href="c-over5.html">1.5
Customer Services</a></h5>
</dd>
<dd><h5 class="H2TOC"><a href="c-over6.html">1.6
Documentation Conventions</a></h5>
</dd>
</dl>
</dd>
<dd><h5 class="H1chapTOC"><a href="c-basic.html">2 <b>Basic
OS </b></a></h5>
<dl class="margin">
<dd><h5 class="H2TOC"><a href="c-basic1.html">2.1
Introduction</a></h5>
</dd>
<dd><h5 class="H2TOC"><a href="c-basic2.html">2.2
Wind Features and POSIX Features</a></h5>
</dd>
<dd><h5 class="H2TOC"><a href="c-basic3.html">2.3
Tasks</a></h5>
<dl class="margin">
<dd><h5 class="H3TOC"><a
href="c-basic3.html#83570">2.3.1
Multitasking</a></h5>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#83590">2.3.2 Task
State Transition</a></h5>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#83757">2.3.3 Wind
Task Scheduling</a></h5>
<dl class="margin">
<dd><h5 class="H4TOC"><a
href="c-basic3.html#83800">Preemptive
Priority Scheduling</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#83853">Round-Robin
Scheduling</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#83917">Preemption
Locks</a></h5>
</dd>
</dl>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#83928">2.3.4 Tasking
Control</a></h5>
<dl class="margin">
<dd><h5 class="H4TOC"><a
href="c-basic3.html#83930">Task
Creation and Activation</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#83976">Task
Names and IDs</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84028">Task
Options</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84121">Task
Information</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84187">Task
Deletion and Deletion Safety</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84257">Task
Control</a></h5>
</dd>
</dl>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#84321">2.3.5 Tasking
Extensions</a></h5>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#84431">2.3.6 POSIX
Scheduling Interface</a></h5>
<dl class="margin">
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84438">Differences
Between POSIX and Wind Scheduling</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84517">Getting
and Setting POSIX Task Priorities</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84547">Getting
and Displaying the Current
Scheduling Policy</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84567">Getting
Scheduling Parameters: Priority
Limits and Time Slice</a></h5>
</dd>
</dl>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#84590">2.3.7 Task
Error Status: errno</a></h5>
<dl class="margin">
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84592">Layered
Definitions of errno</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84597">A
Separate errno Value for Each
Task</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84605">Error
Return Convention</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84615">Assignment
of Error Status Values</a></h5>
</dd>
</dl>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#84621">2.3.8 Task
Exception Handling</a></h5>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#84629">2.3.9 Shared
Code and Reentrancy</a></h5>
<dl class="margin">
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84676">Dynamic
Stack Variables</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84728">Guarded
Global and Static Variables</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#84736">Task
Variables</a></h5>
</dd>
<dd><h5 class="H4TOC"><a
href="c-basic3.html#89014">Multiple
Tasks with the Same Main Routine</a></h5>
</dd>
</dl>
</dd>
<dd><h5 class="H3TOC"><a
href="c-basic3.html#84852">2.3.10 VxWorks
System Tasks</a></h5>
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