/** Translates native poll revent set into a ready operation set */
public boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
int intOps = sk.nioInterestOps(); // Do this just once, it synchronizes
int oldOps = sk.nioReadyOps();
int newOps = initialOps;
if ((ops & Net.POLLNVAL) != 0) {
// This should only happen if this channel is pre-closed while a
// selection operation is in progress
// ## Throw an error if this channel has not been pre-closed
return false;
}
if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
newOps = intOps;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
if (((ops & Net.POLLIN) != 0) && ((intOps & SelectionKey.OP_READ) != 0))
newOps |= SelectionKey.OP_READ;
if (((ops & Net.POLLOUT) != 0) && ((intOps & SelectionKey.OP_WRITE) != 0))
newOps |= SelectionKey.OP_WRITE;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk) {
return translateReadyOps(ops, sk.nioReadyOps(), sk);
}