diff options
Diffstat (limited to 'core/reference.cpp')
| -rw-r--r-- | core/reference.cpp | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/core/reference.cpp b/core/reference.cpp index b79ad0bf3d..92bbdacd5d 100644 --- a/core/reference.cpp +++ b/core/reference.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -36,12 +36,7 @@ bool Reference::init_ref() { if (reference()) { - // this may fail in the scenario of two threads assigning the pointer for the FIRST TIME - // at the same time, which is never likely to happen (would be crazy to do) - // so don't do it. - - if (refcount_init.get() > 0) { - refcount_init.unref(); + if (!is_referenced() && refcount_init.unref()) { unreference(); // first referencing is already 1, so compensate for the ref above } @@ -64,13 +59,15 @@ int Reference::reference_get_count() const { } bool Reference::reference() { - bool success = refcount.ref(); - if (success && refcount.get() <= 2 /* higher is not relevant */) { + uint32_t rc_val = refcount.refval(); + bool success = rc_val != 0; + + if (success && rc_val <= 2 /* higher is not relevant */) { if (get_script_instance()) { get_script_instance()->refcount_incremented(); } - if (instance_binding_count > 0) { + if (instance_binding_count > 0 && !ScriptServer::are_languages_finished()) { for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) { if (_script_instance_bindings[i]) { ScriptServer::get_language(i)->refcount_incremented_instance_binding(this); @@ -84,14 +81,15 @@ bool Reference::reference() { bool Reference::unreference() { - bool die = refcount.unref(); + uint32_t rc_val = refcount.unrefval(); + bool die = rc_val == 0; - if (refcount.get() <= 1 /* higher is not relevant */) { + if (rc_val <= 1 /* higher is not relevant */) { if (get_script_instance()) { bool script_ret = get_script_instance()->refcount_decremented(); die = die && script_ret; } - if (instance_binding_count > 0) { + if (instance_binding_count > 0 && !ScriptServer::are_languages_finished()) { for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) { if (_script_instance_bindings[i]) { bool script_ret = ScriptServer::get_language(i)->refcount_decremented_instance_binding(this); @@ -139,8 +137,8 @@ void WeakRef::set_ref(const REF &p_ref) { ref = p_ref.is_valid() ? p_ref->get_instance_id() : 0; } -WeakRef::WeakRef() { - ref = 0; +WeakRef::WeakRef() : + ref(0) { } void WeakRef::_bind_methods() { |