/**
* Closes this datagram socket.
*
* <p>Any thread currently blocked in {@link #receive} upon this socket will throw a {@link
* SocketException} and this datagram socket will wait for it to return.
*
* @see DatagramSocket#close()
*/
@Override
public void close() {
super.close();
if (inReceiveSyncRoot == null) return;
synchronized (inReceiveSyncRoot) {
boolean interrupted = false;
while (inReceive > 0)
try {
inReceiveSyncRoot.wait();
} catch (InterruptedException iex) {
interrupted = true;
}
if (interrupted) Thread.currentThread().interrupt();
}
}
