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Avoid potential crash on signal disconnection

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This commit is contained in:
Pedro J. Estébanez 2024-07-25 11:55:53 +02:00
parent 7a4a6fbc03
commit 32b7f835d8
1 changed files with 5 additions and 1 deletions
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6
core/object/object.cpp
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@ -2097,7 +2097,11 @@ Object::~Object() {
// Disconnect signals that connect to this object. // Disconnect signals that connect to this object.
while (connections.size()) { while (connections.size()) {
Connection c = connections.front()->get(); Connection c = connections.front()->get();
bool disconnected = c.signal.get_object()->_disconnect(c.signal.get_name(), c.callable, true); Object *obj = c.callable.get_object();
bool disconnected = false;
if (likely(obj)) {
disconnected = c.signal.get_object()->_disconnect(c.signal.get_name(), c.callable, true);
}
if (unlikely(!disconnected)) { if (unlikely(!disconnected)) {
// If the disconnect has failed, abandon the connection to avoid getting trapped in an infinite loop here. // If the disconnect has failed, abandon the connection to avoid getting trapped in an infinite loop here.
connections.pop_front(); connections.pop_front();