e558e1ec09
When a Reference managed instance is garbage collected and its finalizer is called, it could happen that the native instance is referenced once again before the finalizer can unreference and memdelete it. The workaround is to create a new managed instance when this happens (at least for now).
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) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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(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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