godot/modules/mono/mono_gc_handle.cpp

/**************************************************************************/
/*  mono_gc_handle.cpp                                                    */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#include "mono_gc_handle.h"

#include "mono_gd/gd_mono.h"

uint32_t MonoGCHandle::new_strong_handle(MonoObject *p_object) {
	return mono_gchandle_new(p_object, /* pinned: */ false);
}

uint32_t MonoGCHandle::new_strong_handle_pinned(MonoObject *p_object) {
	return mono_gchandle_new(p_object, /* pinned: */ true);
}

uint32_t MonoGCHandle::new_weak_handle(MonoObject *p_object) {
	return mono_gchandle_new_weakref(p_object, /* track_resurrection: */ false);
}

void MonoGCHandle::free_handle(uint32_t p_gchandle) {
	mono_gchandle_free(p_gchandle);
}

Ref<MonoGCHandle> MonoGCHandle::create_strong(MonoObject *p_object) {
	return memnew(MonoGCHandle(new_strong_handle(p_object), STRONG_HANDLE));
}

Ref<MonoGCHandle> MonoGCHandle::create_weak(MonoObject *p_object) {
	return memnew(MonoGCHandle(new_weak_handle(p_object), WEAK_HANDLE));
}

void MonoGCHandle::release() {
#ifdef DEBUG_ENABLED
	CRASH_COND(!released && GDMono::get_singleton() == NULL);
#endif

	if (!released && GDMono::get_singleton() && GDMono::get_singleton()->is_runtime_initialized()) {
		free_handle(handle);
		released = true;
	}
}

MonoGCHandle::MonoGCHandle(uint32_t p_handle, HandleType p_handle_type) {
	released = false;
	weak = p_handle_type == WEAK_HANDLE;
	handle = p_handle;
}

MonoGCHandle::~MonoGCHandle() {
	release();
}