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Fix crash in signal emission optimization

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The trace of the signal emission of the was calculating the instance
type after the instance was unrefed. Fix this by keeping the instance type around.
This commit is contained in:
Alexander Larsson 2012-03-09 11:32:45 +01:00
parent bbe4b57195
commit cb44e96dfa
1 changed files with 4 additions and 3 deletions
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7
gobject/gsignal.c
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@ -3168,6 +3168,7 @@ g_signal_emit_valist (gpointer instance,
Emission emission;
GValue *return_accu, accu = G_VALUE_INIT;
guint signal_id;
GType instance_type = G_TYPE_FROM_INSTANCE (instance);
GValue emission_return = G_VALUE_INIT;
GType rtype = node->return_type & ~G_SIGNAL_TYPE_STATIC_SCOPE;
gboolean static_scope = node->return_type & G_SIGNAL_TYPE_STATIC_SCOPE;
@ -3186,12 +3187,12 @@ g_signal_emit_valist (gpointer instance,
emission.ihint.detail = detail;
emission.ihint.run_type = run_type;
emission.state = EMISSION_RUN;
emission.chain_type = G_TYPE_FROM_INSTANCE (instance);
emission.chain_type = instance_type;
emission_push (&g_recursive_emissions, &emission);
SIGNAL_UNLOCK ();
TRACE(GOBJECT_SIGNAL_EMIT(signal_id, detail, instance, G_TYPE_FROM_INSTANCE (instance)));
TRACE(GOBJECT_SIGNAL_EMIT(signal_id, detail, instance, instance_type));
if (rtype != G_TYPE_NONE)
g_value_init (&emission_return, rtype);
@ -3247,7 +3248,7 @@ g_signal_emit_valist (gpointer instance,
}
}
TRACE(GOBJECT_SIGNAL_EMIT_END(signal_id, detail, instance, G_TYPE_FROM_INSTANCE (instance)));
TRACE(GOBJECT_SIGNAL_EMIT_END(signal_id, detail, instance, instance_type));
return;
}