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| author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
| commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
| tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /pthreads/manual/pthread_setschedparam.html | |
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Diffstat (limited to 'pthreads/manual/pthread_setschedparam.html')
| -rw-r--r-- | pthreads/manual/pthread_setschedparam.html | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/pthreads/manual/pthread_setschedparam.html b/pthreads/manual/pthread_setschedparam.html new file mode 100644 index 000000000..920c20bab --- /dev/null +++ b/pthreads/manual/pthread_setschedparam.html @@ -0,0 +1,113 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<HTML> +<HEAD> + <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=utf-8"> + <TITLE>PTHREAD_SETSCHEDPARAM(3) manual page</TITLE> + <META NAME="GENERATOR" CONTENT="OpenOffice.org 1.1.3 (Linux)"> + <META NAME="CREATED" CONTENT="20050504;18110100"> + <META NAME="CHANGED" CONTENT="20050614;14012300"> + <!-- manual page source format generated by PolyglotMan v3.2, --> + <!-- available at http://polyglotman.sourceforge.net/ --> +</HEAD> +<BODY LANG="en-GB" BGCOLOR="#ffffff" DIR="LTR"> +<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>pthread_setschedparam, pthread_getschedparam - control thread +scheduling +</P> +<P>parameters +</P> +<H2><A HREF="#toc1" NAME="sect1">Synopsis</A></H2> +<P><B>#include <pthread.h></B> +</P> +<P><B>int pthread_setschedparam(pthread_t </B><I>target_thread</I><B>, +int </B><I>policy</I><B>, const struct sched_param *</B><I>param</I><B>);</B> +</P> +<P><B>int pthread_getschedparam(pthread_t </B><I>target_thread</I><B>, +int *</B><I>policy</I><B>, struct sched_param *</B><I>param</I><B>);</B> +</P> +<H2><A HREF="#toc2" NAME="sect2">Description</A></H2> +<P><B>pthread_setschedparam</B> sets the scheduling parameters for +the thread <I>target_thread</I> as indicated by <I>policy</I> and +<I>param</I>. <I>policy</I> can be either <B>SCHED_OTHER</B> +(regular, non-real-time scheduling), <B>SCHED_RR</B> (real-time, +round-robin) or <B>SCHED_FIFO</B> (real-time, first-in first-out). +<I>param</I> specifies the scheduling priority for the two real-time +policies.</P> +<P><B>Pthreads-w32</B> only supports SCHED_OTHER and does not support +the real-time scheduling policies <B>SCHED_RR</B> and <B>SCHED_FIFO.</B> +</P> +<P><B>pthread_getschedparam</B> retrieves the scheduling policy and +scheduling parameters for the thread <I>target_thread</I> and stores +them in the locations pointed to by <I>policy</I> and <I>param</I>, +respectively. +</P> +<H2><A HREF="#toc3" NAME="sect3">Return Value</A></H2> +<P><B>pthread_setschedparam</B> and <B>pthread_getschedparam</B> +return 0 on success and a non-zero error code on error. +</P> +<H2><A HREF="#toc4" NAME="sect4">Errors</A></H2> +<P>On error, <B>pthread_setschedparam</B> returns the following error +codes: +</P> +<DL> + <DL> + <DT STYLE="margin-right: 1cm; margin-bottom: 0.5cm"><B>ENOTSUP</B> + </DT><DD STYLE="margin-right: 1cm; margin-bottom: 0.5cm"> + <I>policy</I> is not <B>SCHED_OTHER.</B></DD><DT STYLE="margin-right: 1cm; margin-bottom: 0.5cm"> + <B>EINVAL</B> + </DT><DD STYLE="margin-right: 1cm; margin-bottom: 0.5cm"> + One of the arguments is invalid, or the priority value specified by + <I>param</I> is not valid for the specified policy.</DD><DT STYLE="margin-right: 1cm; margin-bottom: 0.5cm"> + <B>ESRCH</B> + </DT><DD STYLE="margin-right: 1cm; margin-bottom: 0.5cm"> + The <I>target_thread</I> is invalid or has already terminated + </DD></DL> +</DL> +<P> +On error, <B>pthread_getschedparam</B> returns the following error +codes: +</P> +<DL> + <DL> + <DT STYLE="margin-right: 1cm; margin-bottom: 0.5cm"><B>ESRCH</B> + </DT><DD STYLE="margin-right: 1cm; margin-bottom: 0.5cm"> + the <I>target_thread</I> is invalid or has already terminated + </DD></DL> +</DL> +<H2> +<A HREF="#toc5" NAME="sect5">Author</A></H2> +<P>Xavier Leroy <Xavier.Leroy@inria.fr> +</P> +<P>Modified by Ross Johnson for use with <A HREF="http://sources.redhat.com/pthreads-win32">Pthreads-w32</A>.</P> +<H2><A HREF="#toc6" NAME="sect6">See Also</A></H2> +<P><A HREF="sched_setscheduler.html"><B>sched_setscheduler</B>(2)</A> +, <A HREF="sched_getscheduler.html"><B>sched_getscheduler</B>(2)</A> +, <A HREF="sched_getparam.html"><B>sched_getparam</B>(2)</A> , +<A HREF="pthread_attr_setschedpolicy.html"><B>pthread_attr_setschedpolicy</B>(3)</A> +, <A HREF="pthread_attr_setschedparam.html"><B>pthread_attr_setschedparam</B>(3)</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">Author</A> + </P> + <LI><P><A HREF="#sect6" NAME="toc6">See Also</A> + </P> +</UL> +</BODY> +</HTML>
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