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Add description of SCHES_SPORADIC

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Gregory Nutt 2015-07-24 09:20:47 -06:00
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Documentation/NuttxUserGuide.html
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@ -13,7 +13,7 @@
<h1><big><font color="#3c34ec"><i>NuttX Operating System<p>User's Manual</i></font></big></h1>
<p><small>by</small></p>
<p>Gregory Nutt<p>
<p>Last Updated: June 12, 2015</p>
<p>Last Updated: July 24, 2015</p>
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@ -6231,11 +6231,35 @@ interface of the same name.
result of any priority inheritance, for example).
</p>
<p>
The policy parameter may have the value <code>SCHED_FIFO</code> or <code>SCHED_RR</code>
(<code>SCHED_OTHER</code> and <code>SCHED_SPORADIC</code>, in particular, are not supported).
The policy parameter may have the value <code>SCHED_FIFO</code>, <code>SCHED_RR</code>, or <code>SCHED_SPORADIC</code>.
<code>SCHED_RR</code> requires the configuration setting <code>CONFIG_RR_INTERVAL &gt; 0</code>;
<code>SCHED_SPORADIC</code> requires the configuration setting <code>CONFIG_SCHED_SPORADIC=y</code>.
(<code>SCHED_OTHER</code> and non-standard scheduler policies, in particular, are not supported).
The <code>SCHED_FIFO</code> and <code>SCHED_RR</code> policies will have a single
scheduling parameter, <code>sched_priority</code>.
scheduling parameter:
</p>
<ul>
<li><code>sched_priority</code>
The thread priority.
</ul>
</ul>
<p>
The <code>SCHED_SPORADIC</code> policy has four additional scheduling parameters:
</p>
<ul>
<li><code>sched_ss_low_priority</code>
Low scheduling priority for sporadic server.
</li>
<li><code>sched_ss_repl_period</code>
Replenishment period for sporadic server.
</li>
<li><code>sched_ss_init_budget</code>
Initial budget for sporadic server.
</li>
<li><code>sched_ss_max_repl</code>
Maximum pending replenishments for sporadic server.
</li>
</ul>
<p>
<b>Input Parameters:</b>
</p>