biz.onixs.util.system

Class ThreadAffinity

java.lang.Object

biz.onixs.util.system.ThreadAffinity

public class ThreadAffinity
extends Object

OS-depended thread wrapper implemented based on JNA.

Please note that the library should be available in the classpath during runtime.

Currently it support Windows and Linux.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ThreadAffinity.cpu_set_t
static class	ThreadAffinity.ErrorInfo

Field Summary

Fields

Modifier and Type	Field and Description
static int	INVALID_CPU_INDEX
static int	THREAD_AFFINITY_NOT_AVAILABLE

Constructor Summary

Constructors

Constructor and Description
ThreadAffinity()

Method Summary

Modifier and Type	Method and Description
static ThreadAffinity.ErrorInfo	getLastError()
static long	setAffinity(int[] cpuIndexes) Sets the thread affinity for the current thread.

Methods inherited from class java.lang.Object

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

Field Detail

THREAD_AFFINITY_NOT_AVAILABLE

public static final int THREAD_AFFINITY_NOT_AVAILABLE

See Also:

Constant Field Values

INVALID_CPU_INDEX

public static final int INVALID_CPU_INDEX

See Also:

Constant Field Values

Constructor Detail

ThreadAffinity

public ThreadAffinity()

Method Detail

setAffinity

public static long setAffinity(int[] cpuIndexes)

Sets the thread affinity for the current thread.

Parameters:

cpuIndexes - logical processors list that a thread is allowed to run on (first logical CPU has index 0).

Returns:

On success, the affinity mask will be returned, otherwise 0.

getLastError

public static ThreadAffinity.ErrorInfo getLastError()