81 lines
3.7 KiB
C++
81 lines
3.7 KiB
C++
/*************************************************************************/
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/* memory_pool_static_malloc.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) 2007-2018 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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#ifndef MEMORY_POOL_STATIC_MALLOC_H
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#define MEMORY_POOL_STATIC_MALLOC_H
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#include "os/memory_pool_static.h"
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#include "os/mutex.h"
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/**
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@author Juan Linietsky <red@lunatea>
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*/
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class MemoryPoolStaticMalloc : public MemoryPoolStatic {
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struct RingPtr {
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size_t size;
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const char *descr; /* description of memory */
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RingPtr *next;
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RingPtr *prev;
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};
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RingPtr *ringlist;
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size_t total_mem;
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int total_pointers;
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size_t max_mem;
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int max_pointers;
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Mutex *mutex;
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void *_alloc(size_t p_bytes, const char *p_description = ""); ///< Pointer in p_description shold be to a const char const like "hello"
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void *_realloc(void *p_memory, size_t p_bytes); ///< Pointer in
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void _free(void *p_ptr); ///< Pointer in p_description shold be to a const char const
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public:
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virtual void *alloc(size_t p_bytes, const char *p_description = ""); ///< Pointer in p_description shold be to a const char const like "hello"
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virtual void free(void *p_ptr); ///< Pointer in p_description shold be to a const char const
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virtual void *realloc(void *p_memory, size_t p_bytes); ///< Pointer in
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virtual size_t get_available_mem() const;
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virtual size_t get_total_usage();
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virtual size_t get_max_usage();
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/* Most likely available only if memory debugger was compiled in */
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virtual int get_alloc_count();
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virtual void *get_alloc_ptr(int p_alloc_idx);
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virtual const char *get_alloc_description(int p_alloc_idx);
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virtual size_t get_alloc_size(int p_alloc_idx);
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void dump_mem_to_file(const char *p_file);
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MemoryPoolStaticMalloc();
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~MemoryPoolStaticMalloc();
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};
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#endif
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