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<TITLE>"SCHED_GET_PRIORITY_MAX"(P) manual page</TITLE>
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<H4>POSIX Threads for Windows – REFERENCE - <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A></H4>
<P><A HREF="index.html">Reference Index</A></P>
<P><A HREF="#toc">Table of Contents</A></P>
<H2><A HREF="#toc0" NAME="sect0">Name</A></H2>
<P>sched_get_priority_max, sched_get_priority_min - get priority
limits (<B>REALTIME</B>)
</P>
<H2><A HREF="#toc1" NAME="sect1">Synopsis</A></H2>
<P><B>#include <sched.h> </B>
</P>
<P><B>int sched_get_priority_max(int</B> <I>policy</I><B>); <BR>int
sched_get_priority_min(int</B> <I>policy</I><B>); </B>
</P>
<H2><A HREF="#toc2" NAME="sect2">Description</A></H2>
<P>The <B>sched_get_priority_max</B> and <B>sched_get_priority_min</B>
functions shall return the appropriate maximum or minimum,
respectively, for the scheduling policy specified by <I>policy</I>.
</P>
<P>The value of <I>policy</I> shall be one of the scheduling policy
values defined in <I><sched.h></I>.
</P>
<H2><A HREF="#toc3" NAME="sect3">Return Value</A></H2>
<P>If successful, the <B>sched_get_priority_max</B> and
<B>sched_get_priority_min</B> functions shall return the appropriate
maximum or minimum values, respectively. If unsuccessful, they shall
return a value of -1 and set <I>errno</I> to indicate the error.
</P>
<H2><A HREF="#toc4" NAME="sect4">Errors</A></H2>
<P>The <B>sched_get_priority_max</B> and <B>sched_get_priority_min</B>
functions shall fail if:
</P>
<DL>
<DT><B>EINVAL</B>
</DT><DD STYLE="margin-bottom: 0.5cm">
The value of the <I>policy</I> parameter does not represent a
defined scheduling policy.
</DD></DL>
<P>
<I>The following sections are informative.</I>
</P>
<H2><A HREF="#toc5" NAME="sect5">Examples</A></H2>
<P>None.
</P>
<H2><A HREF="#toc6" NAME="sect6">Application Usage</A></H2>
<P>None.
</P>
<H2><A HREF="#toc7" NAME="sect7">Rationale</A></H2>
<P>None.
</P>
<H2><A HREF="#toc8" NAME="sect8">Future Directions</A></H2>
<P>None.
</P>
<H2><A HREF="#toc9" NAME="sect9">See Also</A></H2>
<P><A HREF="sched_getparam.html"><B>sched_getparam</B>(3)</A> <B>,</B>
<A HREF="sched_setparam.html"><B>sched_setparam</B>(3)</A> <B>,</B>
<A HREF="sched_getscheduler.html"><B>sched_getscheduler</B>(3)</A> <B>,</B>
<A HREF="sched_rr_get_interval.html"><B>sched_rr_get_interval</B>(3)</A>
<B>,</B> <A HREF="sched_setscheduler.html"><B>sched_setscheduler</B>(3)</A>
<B>,</B> the Base Definitions volume of IEEE Std 1003.1-2001,
<I><sched.h></I>
</P>
<H2><A HREF="#toc10" NAME="sect10">Copyright</A></H2>
<P>Portions of this text are reprinted and reproduced in electronic
form from IEEE Std 1003.1, 2003 Edition, Standard for Information
Technology -- Portable Operating System Interface (POSIX), The Open
Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the
Institute of Electrical and Electronics Engineers, Inc and The Open
Group. In the event of any discrepancy between this version and the
original IEEE and The Open Group Standard, the original IEEE and The
Open Group Standard is the referee document. The original Standard
can be obtained online at <A HREF="http://www.opengroup.org/unix/online.html">http://www.opengroup.org/unix/online.html</A>
.
</P>
<P>Modified by Ross Johnson for use with <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A>.</P>
<HR>
<P><A NAME="toc"></A><B>Table of Contents</B></P>
<UL>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect0" NAME="toc0">Name</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect1" NAME="toc1">Synopsis</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect2" NAME="toc2">Description</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect3" NAME="toc3">Return
Value</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect4" NAME="toc4">Errors</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect5" NAME="toc5">Examples</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect6" NAME="toc6">Application
Usage</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect7" NAME="toc7">Rationale</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect8" NAME="toc8">Future
Directions</A>
</P>
<LI><P STYLE="margin-bottom: 0cm"><A HREF="#sect9" NAME="toc9">See
Also</A>
</P>
<LI><P><A HREF="#sect10" NAME="toc10">Copyright</A>
</P>
</UL>
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