void printActionQ() {
SeenThread* seen = this;
while (seen != NULL) {
seen->thread()->print_value();
tty->print(", ");
seen = seen->next();
}
}
bool check_seen_thread(Thread* thread, PlaceholderTable::classloadAction action) {
assert_lock_strong(SystemDictionary_lock);
SeenThread* threadQ = actionToQueue(action);
SeenThread* seen = threadQ;
while (seen) {
if (thread == seen->thread()) {
return true;
}
seen = seen->next();
}
return false;
}
// returns true if seenthreadQ is now empty
// Note, caller must ensure probe still exists while holding
// SystemDictionary_lock
// ignores if cleanup has already been done
// if found, deletes SeenThread
bool remove_seen_thread(Thread* thread, PlaceholderTable::classloadAction action) {
assert_lock_strong(SystemDictionary_lock);
SeenThread* threadQ = actionToQueue(action);
SeenThread* seen = threadQ;
SeenThread* prev = NULL;
while (seen) {
if (thread == seen->thread()) {
if (prev) {
prev->set_next(seen->next());
} else {
set_threadQ(seen->next(), action);
}
if (seen->next()) {
seen->next()->set_prev(prev);
}
delete seen;
break;
}
prev = seen;
seen = seen->next();
}
return (actionToQueue(action) == NULL);
}