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Object: Remove error on disconnect of locked signals

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According to https://github.com/godotengine/godot/commit/22637beb2ed625c3e43ab75ab5865b57d7470948#commitcomment-36651823
and as confirmed by @reduz, this seems not to be necessary now that we
copy-on-write.

This triggered freeze scenarios in cases where a node would be deleted
while being used as a target in a signal emission.

Fixes #34650.
Fixes #34769.

Now those two errors go back to reporting:
```
ERROR: emit_signal: Condition ' !target ' is true. Continuing..:
   At: core/object.cpp:1191.
```
This commit is contained in:
Rémi Verschelde
2020-01-13 17:03:02 +01:00
parent 031b5455ae
commit f38bfccf42
1 changed files with 0 additions and 4 deletions
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core/object.cpp
-4
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@@ -1519,10 +1519,6 @@ void Object::_disconnect(const StringName &p_signal, Object *p_to_object, const
Signal *s = signal_map.getptr(p_signal);
ERR_FAIL_COND_MSG(!s, vformat("Nonexistent signal '%s' in %s.", p_signal, to_string()));
ERR_FAIL_COND_MSG(s->lock > 0,
vformat("Attempt to disconnect %s signal '%s' while in emission callback '%s' (in target %s). Use CONNECT_DEFERRED (to be able to safely disconnect) or CONNECT_ONESHOT (for automatic disconnection) as connection flags.",
to_string(), p_signal, p_to_method, p_to_object->to_string()));
Signal::Target target(p_to_object->get_instance_id(), p_to_method);
ERR_FAIL_COND_MSG(!s->slot_map.has(target), "Disconnecting nonexistent signal '" + p_signal + "', slot: " + itos(target._id) + ":" + target.method + ".");