StructPollfd
public
final
class
StructPollfd
extends Object
java.lang.Object | |
↳ | android.system.StructPollfd |
Used as an in/out parameter to Os#poll
.
Corresponds to C's struct pollfd
from <poll.h>
.
Summary
Fields | |
---|---|
public
short |
events
The events we're interested in. |
public
FileDescriptor |
fd
The file descriptor to poll. |
public
short |
revents
The events that actually happened. |
public
Object |
userData
A non-standard extension that lets callers conveniently map back to the object their fd belongs to. |
Public constructors | |
---|---|
StructPollfd()
|
Public methods | |
---|---|
String
|
toString()
Returns a string representation of the object. |
Inherited methods | |
---|---|
Fields
events
public short events
The events we're interested in. POLLIN corresponds to being in select(2)'s read fd set, POLLOUT to the write fd set.
userData
public Object userData
A non-standard extension that lets callers conveniently map back to the object their fd belongs to. This is used by Selector, for example, to associate each FileDescriptor with the corresponding SelectionKey.
Public constructors
Public methods
toString
public String toString ()
Returns a string representation of the object.
Returns | |
---|---|
String |
a string representation of the object. |