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3ad694018f
Remove _sort_children from script bindings: _sort_children is an internal method which shouldn't be exposed to scripts. Added support for non-bound methods in MessageQueue: So we can use deferred calls without exposing internal methods to scripts. Added debug checks in CallableCustomMethodPointer: Adding method pointer callables to the message queue was causing crashes in case an object was destroyed and the same memory was allocated for another one. The new object had a valid object id but the call was erroneous. Release will be fixed later, along with Variant which has the same problem and is also fixed for debug only.
100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
/*************************************************************************/
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/* message_queue.h */
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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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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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#ifndef MESSAGE_QUEUE_H
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#define MESSAGE_QUEUE_H
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#include "core/object.h"
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#include "core/os/thread_safe.h"
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class MessageQueue {
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_THREAD_SAFE_CLASS_
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enum {
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DEFAULT_QUEUE_SIZE_KB = 1024
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};
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enum {
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TYPE_CALL,
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TYPE_NOTIFICATION,
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TYPE_SET,
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FLAG_SHOW_ERROR = 1 << 14,
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FLAG_MASK = FLAG_SHOW_ERROR - 1
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};
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struct Message {
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Callable callable;
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int16_t type;
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union {
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int16_t notification;
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int16_t args;
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};
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};
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uint8_t *buffer;
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uint32_t buffer_end = 0;
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uint32_t buffer_max_used = 0;
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uint32_t buffer_size;
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void _call_function(const Callable &p_callable, const Variant *p_args, int p_argcount, bool p_show_error);
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static MessageQueue *singleton;
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bool flushing = false;
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public:
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static MessageQueue *get_singleton();
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Error push_call(ObjectID p_id, const StringName &p_method, const Variant **p_args, int p_argcount, bool p_show_error = false);
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Error push_call(ObjectID p_id, const StringName &p_method, VARIANT_ARG_LIST);
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Error push_notification(ObjectID p_id, int p_notification);
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Error push_set(ObjectID p_id, const StringName &p_prop, const Variant &p_value);
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Error push_callable(const Callable &p_callable, const Variant **p_args, int p_argcount, bool p_show_error = false);
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Error push_callable(const Callable &p_callable, VARIANT_ARG_LIST);
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Error push_call(Object *p_object, const StringName &p_method, VARIANT_ARG_LIST);
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Error push_notification(Object *p_object, int p_notification);
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Error push_set(Object *p_object, const StringName &p_prop, const Variant &p_value);
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void statistics();
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void flush();
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bool is_flushing() const;
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int get_max_buffer_usage() const;
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MessageQueue();
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~MessageQueue();
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};
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#endif // MESSAGE_QUEUE_H
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