javax.scj.util

Class VMFct

java.lang.Object

javax.scj.util.VMFct

public class VMFct
extends java.lang.Object

Utility functions for X86 architecture.

Version:

1.0; - May 2012

Author:

Anders P. Ravn, Aalborg University, apr@cs.aau.dk,
Hans Søndergaard, VIA University College, Denmark, hso@viauc.dk

Constructor Summary

Constructors

Constructor and Description
VMFct()

Method Summary

Methods

Modifier and Type	Method and Description
static int	delayNative(RelativeTime time) Sleep a relative time.
static void	delayNativeUntil(AbsoluteTime time) Delay until time.
static int	getNativeResolution(RelativeTime dest) Gets the current resulution of the realtime clock.
static int	getNativeTime(AbsoluteTime dest) Gets the current time of the realtime clock Returns Absolute time in dest.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VMFct

public VMFct()

Method Detail

getNativeResolution

public static int getNativeResolution(RelativeTime dest)

Gets the current resulution of the realtime clock. The resolution is the nominal interval between ticks. Returns Relative time in dest.

Returns:

0 if ok, not zero if an error occur.

getNativeTime

public static int getNativeTime(AbsoluteTime dest)

Gets the current time of the realtime clock Returns Absolute time in dest.

Returns:

0 if ok, not zero if an error occor.

delayNativeUntil

public static void delayNativeUntil(AbsoluteTime time)

Delay until time.

Parameters:

time - is the absolut time

delayNative

public static int delayNative(RelativeTime time)

Sleep a relative time.

Parameters:

time - The specified time to sleep.

Returns:

0 if requested time has elapsed, -1 if the function fails; see nanosleep C doc.