Package com.sun.jna.platform.linux

Klasse Udev.UdevEnumerate

java.lang.Object

com.sun.jna.PointerType

com.sun.jna.platform.linux.Udev.UdevEnumerate

Alle implementierten Schnittstellen:

NativeMapped

Umschließende Schnittstelle:

Udev

public static class Udev.UdevEnumerate
extends PointerType

To enumerate local devices on the system, an enumeration object can be created via Udev.UdevContext.enumerateNew().

Konstruktorübersicht

Konstruktoren

Konstruktor	Beschreibung
UdevEnumerate()

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
int	addMatchSubsystem(String subsystem)	Modify filters of this object to match a subsystem.
Udev.UdevListEntry	getListEntry()	Get the first list entry from this object.
Udev.UdevEnumerate	ref()	Acquire a further reference to this object.
int	scanDevices()	Query this object.
void	unref()	Drop a reference to this object.

Von Klasse geerbte Methoden com.sun.jna.PointerType

equals, fromNative, getPointer, hashCode, nativeType, setPointer, toNative, toString

Von Klasse geerbte Methoden java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Konstruktordetails

UdevEnumerate

public UdevEnumerate()

Methodendetails

ref

public Udev.UdevEnumerate ref()

Acquire a further reference to this object.

Gibt zurück:

this object, unmodified.

unref

public void unref()

Drop a reference to this object. Once the reference count hits 0, the context object is destroyed and freed.

addMatchSubsystem

public int addMatchSubsystem(String subsystem)

Modify filters of this object to match a subsystem.

Parameter:

subsystem - The subsystem to match

Gibt zurück:

an integer greater than, or equal to, 0 on success.

scanDevices

public int scanDevices()

Query this object. Scans /sys for all devices which match the given filters. No filters will return all currently available devices.

Gibt zurück:

an integer greater than, or equal to, 0 on success.

getListEntry

public Udev.UdevListEntry getListEntry()

Get the first list entry from this object.

Gibt zurück:

On success, returns the first entry in the list of found devices. If the list is empty, or on failure, NULL is returned.