URL https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [posix-clocks-and-timers.html] - Rev 174

Compare with Previous | Blame | View Log
<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
<!-- This material may be distributed only subject to the terms      -->
<!-- and conditions set forth in the Open Publication License, v1.0  -->
<!-- or later (the latest version is presently available at          -->
<!-- http://www.opencontent.org/openpub/).                           -->
<!-- Distribution of the work or derivative of the work in any       -->
<!-- standard (paper) book form is prohibited unless prior           -->
<!-- permission is obtained from the copyright holder.               -->
<HTML
><HEAD
><TITLE
>Clocks and Timers [POSIX Section 14]</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
<META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="eCos Reference Manual"
HREF="ecos-ref.html"><LINK
REL="UP"
TITLE="POSIX Standard Support"
HREF="posix-standard-support.html"><LINK
REL="PREVIOUS"
TITLE="Execution Scheduling [POSIX Section 13]"
HREF="posix-execution-scheduling.html"><LINK
REL="NEXT"
TITLE="Message Passing [POSIX Section 15]"
HREF="posix-message-passing.html"></HEAD
><BODY
CLASS="SECT1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>eCos Reference Manual</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="posix-execution-scheduling.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 31. POSIX Standard Support</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="posix-message-passing.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="POSIX-CLOCKS-AND-TIMERS">Clocks and Timers &#0091;POSIX Section 14&#0093;</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13230">Functions Implemented</H2
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>int clock&#0095;settime( clockid&#0095;t clock&#0095;id,
const struct timespec &#0042;tp); 
int clock&#0095;gettime( clockid&#0095;t clock&#0095;id, struct timespec &#0042;tp); 
int clock&#0095;getres( clockid&#0095;t clock&#0095;id, struct timespec &#0042;tp); 
int timer&#0095;create( clockid&#0095;t clock&#0095;id, struct sigevent &#0042;evp,
	          timer&#0095;t &#0042;timer&#0095;id);
int timer&#0095;delete( timer&#0095;t timer&#0095;id ); 
int timer&#0095;settime( timer&#0095;t timerid, int flags,
	           const struct itimerspec &#0042;value,
	           struct itimerspec &#0042;ovalue ); 
int timer&#0095;gettime( timer&#0095;t timerid, struct itimerspec &#0042;value ); 
int timer&#0095;getoverrun( timer&#0095;t timerid ); 
int nanosleep( const struct timespec &#0042;rqtp, struct timespec &#0042;rmtp);</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13233">Functions Omitted</H2
><P
>&lt;none&gt;</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13236">Notes</H2
><P
></P
><UL
><LI
><P
>    Currently <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>timer&#0095;getoverrun()</I
></SPAN
> only
    reports timer notifications that are delayed in the timer
    subsystem.  If they are delayed in the signal subsystem, due to
    signal masks for example, this is not counted as an overrun.
    </P
></LI
><LI
><P
>    The option CYGPKG&#0095;POSIX&#0095;TIMERS allows the timer support to be
    enabled or disabled, and causes &#0095;POSIX&#0095;TIMERS to be defined
    appropriately. This will cause other parts of the POSIX system to
    have limited functionality.
    </P
></LI
></UL
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="posix-execution-scheduling.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-ref.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="posix-message-passing.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Execution Scheduling &#0091;POSIX Section 13&#0093;</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="posix-standard-support.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Message Passing &#0091;POSIX Section 15&#0093;</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
Compare with Previous | Blame | View Log
Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [posix-clocks-and-timers.html] - Rev 174
