com.oracle.libuv

Class AsyncHandle

java.lang.Object

com.oracle.libuv.Handle

com.oracle.libuv.AsyncHandle

All Implemented Interfaces:

Closeable, AutoCloseable

public class AsyncHandle
extends Handle

Async handles allow the user to wakeup the event loop and get a callback called from another thread.

See Async handle

Field Summary

Fields inherited from class com.oracle.libuv.Handle

loop, pointer

Method Summary

Modifier and Type	Method and Description
void	close() Close the handle and free up any resources that may be held by it.
int	send() Wake up the event loop and call the specified callback.
void	setAsyncCallback(AsyncCallback callback) Attach a AsyncCallback.

Methods inherited from class com.oracle.libuv.Handle

equals, hashCode, isClosing, ref, toString, unref

Methods inherited from class java.lang.Object

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

Method Detail

setAsyncCallback

public void setAsyncCallback(AsyncCallback callback)

Attach a AsyncCallback.

Parameters:

callback - A callback, which will be executed after a loop will receive an async signal from this handle.

Throws:

IllegalStateException - if this method called more than once.

send

public int send()

Wake up the event loop and call the specified callback.

It's safe to call this function from any thread. The callback will be called on the loop thread.

Returns:

0 on success, or an error code < 0 on failure.

See Also:

#setAsyncCallback(AsyncCallback)}

close

public void close()

Close the handle and free up any resources that may be held by it.

CloseCallback callback will be invoked right before the close.

See Also:

#setCloseCallback(CloseCallback)}