return open;
* Marks beginning of access to file descriptor/handle
if (!isOpen())
throw new ClosedChannelException();
* Marks end of access to file descriptor/handle
* Invoked to close file descriptor/handle.
// synchronize with any threads using file descriptor/handle
if (!open)
open = false;
implClose();
return acceptKilled;
acceptKilled = true;
throws IOException
begin();
synchronized (stateLock) {
throw new AlreadyBoundException();
end();
if (!isOpen())
throw new ClosedChannelException();
T value)
throws IOException
throw new NullPointerException();
begin();
end();
throw new NullPointerException();
begin();
end();
if (!isOpen())