LXR darwin-xnu/osfmk/man/P_set_policy

   1<h2>processor_set_policy_enable</h2>
   2<hr>
   3<p>
   4<strong>Function</strong> - Enables a scheduling policy for a processor set.
   5<h3>SYNOPSIS</h3>
   6<pre>
   7<strong>#include&lt mach/mach_host.h&gt</strong>
   8
   9<strong>kern_return_t   processor_set_policy_enable</strong>
  10                <strong>(processor_set_t</strong>       <var>processor_set</var>,
  11                <strong>int</strong>    <var>policy</var><strong>);</strong>
  12</pre>
  13<h3>PARAMETERS</h3>
  14<dl>
  15<dt> <var>processor_set</var>
  16<dd>
  17[in processor-set-control port] The control port for the processor set for which a scheduling policy is to be enabled.
  18<dt> <var>policy</var>
  19<dd>
  20[in scalar] Policy to be enabled. The values currently defined are POLICY_TIMESHARE and POLICY_FIXEDPRI.
  21</dl>
  22<h3>DESCRIPTION</h3>
  23<p>
  24The <strong>processor_set_policy_enable</strong>
  25function extends the set of scheduling policies allowed for
  26<var>processor_set</var>. The set of scheduling policies allowed for a
  27processor set is the set of policies allowed to be set for threads
  28assigned to that processor set. The current set of permitted policies
  29can be obtained from <strong>processor_set_info</strong>.
  30<h3>RETURN VALUES</h3>
  31<p>
  32Only generic errors apply.
  33<h3>RELATED INFORMATION</h3>
  34<p>
  35Functions:
  36<a href="processor_set_info.html">processor_set_info</a>,
  37<a href="P_set_policy_disable.html">processor_set_policy_disable</a>,
  38<a href="thread_policy.html">thread_policy</a>.
  39