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<HTML
><HEAD
><TITLE
>rtl_setclockmode</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.64
"></HEAD
><BODY
CLASS="REFENTRY"
><H1
><A
NAME="AEN1"
>rtl_setclockmode</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN5"
></A
><H2
>Name</H2
>rtl_setclockmode -- set the RTLinux clock mode</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN8"
></A
><H2
>Synopsis</H2
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="SYNOPSIS"
> #include <rtl_sched.h>
int <TT
CLASS="FUNCTION"
>rtl_setclockmode</TT
>(clockid_t <TT
CLASS="PARAMETER"
><I
>clock</I
></TT
>, int <TT
CLASS="PARAMETER"
><I
>mode</I
></TT
>, hrtime_t <TT
CLASS="PARAMETER"
><I
>mode_param</I
></TT
>);</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN14"
></A
><H2
>DESCRIPTION</H2
><P
>This function is a non-portable Realtime Linux extension.</P
><P
><TT
CLASS="FUNCTION"
>rtl_setclockmode</TT
> sets the mode of the specified clock. The allowed modes depend on the clock. Generally, the following modes are supported:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>RTL_CLOCK_MODE_ONESHOT</DT
><DD
><P
>The clock is in the oneshot mode. The <TT
CLASS="PARAMETER"
><I
>mode_param</I
></TT
> is ignored.</P
></DD
><DT
>RTL_CLOCK_MODE_PERIODIC</DT
><DD
><P
>The clock is in the periodic mode. The <TT
CLASS="PARAMETER"
><I
>mode_param</I
></TT
> is the period expressed in nanoseconds.</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN30"
></A
><H2
>RETURN VALUE</H2
><P
>This function returns 0 on success and a negative error code on error.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN33"
></A
><H2
>ERRORS</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>-EINVAL</DT
><DD
><P
>The mode or the parameter is invalid.</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN40"
></A
><H2
>AUTHOR</H2
><P
>Michael Barabanov (<A
HREF="mailto:baraban@fsmlabs.com"
TARGET="_top"
>baraban@fsmlabs.com</A
>)</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN44"
></A
><H2
>SEE ALSO</H2
><A
HREF="../susv2/xsh/clock_gettime.html"
TARGET="_top"
>UNIX spec clock_gettime(3)</A
>, <A
HREF="rtl_getschedclock.3.html"
TARGET="_top"
>rtl_getschedclock(3)</A
>, <A
HREF="clock_gethrtime.3.html"
TARGET="_top"
>clock_gethrtime(3)</A
><P
>2001 FSMLabs Inc.</P
><P
>All rights reserved.</P
></DIV
></BODY
></HTML
>
|
