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3233083f63
Avoid CSharpInstance from accessing its state after self destructing (by deleting the Reference owner). It's now safe to replace the script instance without leaking or crashing. Also fixed godot_icall_Object_weakref return reference being freed before returning.
88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
/*************************************************************************/
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/* mono_gc_handle.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "mono_gc_handle.h"
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#include "mono_gd/gd_mono.h"
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uint32_t MonoGCHandle::new_strong_handle(MonoObject *p_object) {
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return mono_gchandle_new(p_object, /* pinned: */ false);
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}
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uint32_t MonoGCHandle::new_strong_handle_pinned(MonoObject *p_object) {
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return mono_gchandle_new(p_object, /* pinned: */ true);
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}
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uint32_t MonoGCHandle::new_weak_handle(MonoObject *p_object) {
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return mono_gchandle_new_weakref(p_object, /* track_resurrection: */ false);
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}
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void MonoGCHandle::free_handle(uint32_t p_gchandle) {
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mono_gchandle_free(p_gchandle);
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}
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Ref<MonoGCHandle> MonoGCHandle::create_strong(MonoObject *p_object) {
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return memnew(MonoGCHandle(new_strong_handle(p_object), STRONG_HANDLE));
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}
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Ref<MonoGCHandle> MonoGCHandle::create_weak(MonoObject *p_object) {
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return memnew(MonoGCHandle(new_weak_handle(p_object), WEAK_HANDLE));
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}
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void MonoGCHandle::release() {
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#ifdef DEBUG_ENABLED
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CRASH_COND(!released && GDMono::get_singleton() == NULL);
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#endif
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if (!released && GDMono::get_singleton()->is_runtime_initialized()) {
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free_handle(handle);
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released = true;
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}
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}
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MonoGCHandle::MonoGCHandle(uint32_t p_handle, HandleType p_handle_type) {
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released = false;
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weak = p_handle_type == WEAK_HANDLE;
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handle = p_handle;
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}
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MonoGCHandle::~MonoGCHandle() {
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release();
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}
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