public static EObject demonitor(ETask<?> self, EObject ref, EObject options) throws Pausable {
ERef r = ref.testReference();
ESeq o = options.testSeq();
if (r == null || o == null) throw ERT.badarg(ref, options);
boolean flush = (!o.isNil() && o.head() == am_flush);
EObject found = self.demonitor(r);
if (found == null) {
return ERT.FALSE;
}
EHandle h;
ETuple tup;
EAtom name;
EAtom node;
if ((h = found.testHandle()) != null) {
h.remove_monitor(self.self_handle(), r, flush);
} else if ((tup = found.testTuple()) != null
&& tup.arity() == 2
&& (name = tup.elm(1).testAtom()) != null
&& (node = tup.elm(2).testAtom()) != null) {
EAbstractNode n = EAbstractNode.get_or_connect(self, node);
if (n != null) {
n.dsig_demonitor(self.self_handle(), r, name);
}
}
if (flush && (self instanceof EProc)) {
flush_monitor_message.invoke((EProc) self, new EObject[] {ref, ERT.am_ok});
}
return ERT.TRUE;
}
