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- /*************************************************************************/
- /* memory_pool_dynamic_static.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /*************************************************************************/
- #include "memory_pool_dynamic_static.h"
- #include "os/memory.h"
- #include "os/os.h"
- #include "print_string.h"
- #include "ustring.h"
- #include <stdio.h>
- MemoryPoolDynamicStatic::Chunk *MemoryPoolDynamicStatic::get_chunk(ID p_id) {
- uint64_t check = p_id / MAX_CHUNKS;
- uint64_t idx = p_id % MAX_CHUNKS;
- if (!chunk[idx].mem || chunk[idx].check != check)
- return NULL;
- return &chunk[idx];
- }
- const MemoryPoolDynamicStatic::Chunk *MemoryPoolDynamicStatic::get_chunk(ID p_id) const {
- uint64_t check = p_id / MAX_CHUNKS;
- uint64_t idx = p_id % MAX_CHUNKS;
- if (!chunk[idx].mem || chunk[idx].check != check)
- return NULL;
- return &chunk[idx];
- }
- MemoryPoolDynamic::ID MemoryPoolDynamicStatic::alloc(size_t p_amount, const char *p_description) {
- _THREAD_SAFE_METHOD_
- int idx = -1;
- for (int i = 0; i < MAX_CHUNKS; i++) {
- last_alloc++;
- if (last_alloc >= MAX_CHUNKS)
- last_alloc = 0;
- if (!chunk[last_alloc].mem) {
- idx = last_alloc;
- break;
- }
- }
- if (idx == -1) {
- ERR_EXPLAIN("Out of dynamic Memory IDs");
- ERR_FAIL_V(INVALID_ID);
- //return INVALID_ID;
- }
- //chunk[idx].mem = Memory::alloc_static(p_amount,p_description);
- chunk[idx].mem = memalloc(p_amount);
- if (!chunk[idx].mem)
- return INVALID_ID;
- chunk[idx].size = p_amount;
- chunk[idx].check = ++last_check;
- chunk[idx].descr = p_description;
- chunk[idx].lock = 0;
- total_usage += p_amount;
- if (total_usage > max_usage)
- max_usage = total_usage;
- ID id = chunk[idx].check * MAX_CHUNKS + (uint64_t)idx;
- return id;
- }
- void MemoryPoolDynamicStatic::free(ID p_id) {
- _THREAD_SAFE_METHOD_
- Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND(!c);
- total_usage -= c->size;
- memfree(c->mem);
- c->mem = 0;
- if (c->lock > 0) {
- ERR_PRINT("Freed ID Still locked");
- }
- }
- Error MemoryPoolDynamicStatic::realloc(ID p_id, size_t p_amount) {
- _THREAD_SAFE_METHOD_
- Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, ERR_INVALID_PARAMETER);
- ERR_FAIL_COND_V(c->lock > 0, ERR_LOCKED);
- void *new_mem = memrealloc(c->mem, p_amount);
- ERR_FAIL_COND_V(!new_mem, ERR_OUT_OF_MEMORY);
- total_usage -= c->size;
- c->mem = new_mem;
- c->size = p_amount;
- total_usage += c->size;
- if (total_usage > max_usage)
- max_usage = total_usage;
- return OK;
- }
- bool MemoryPoolDynamicStatic::is_valid(ID p_id) {
- _THREAD_SAFE_METHOD_
- Chunk *c = get_chunk(p_id);
- return c != NULL;
- }
- size_t MemoryPoolDynamicStatic::get_size(ID p_id) const {
- _THREAD_SAFE_METHOD_
- const Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, 0);
- return c->size;
- }
- const char *MemoryPoolDynamicStatic::get_description(ID p_id) const {
- _THREAD_SAFE_METHOD_
- const Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, "");
- return c->descr;
- }
- bool MemoryPoolDynamicStatic::is_locked(ID p_id) const {
- _THREAD_SAFE_METHOD_
- const Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, false);
- return c->lock > 0;
- }
- Error MemoryPoolDynamicStatic::lock(ID p_id) {
- _THREAD_SAFE_METHOD_
- Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, ERR_INVALID_PARAMETER);
- c->lock++;
- return OK;
- }
- void *MemoryPoolDynamicStatic::get(ID p_id) {
- _THREAD_SAFE_METHOD_
- const Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, NULL);
- ERR_FAIL_COND_V(c->lock == 0, NULL);
- return c->mem;
- }
- Error MemoryPoolDynamicStatic::unlock(ID p_id) {
- _THREAD_SAFE_METHOD_
- Chunk *c = get_chunk(p_id);
- ERR_FAIL_COND_V(!c, ERR_INVALID_PARAMETER);
- ERR_FAIL_COND_V(c->lock <= 0, ERR_INVALID_PARAMETER);
- c->lock--;
- return OK;
- }
- size_t MemoryPoolDynamicStatic::get_available_mem() const {
- return Memory::get_static_mem_available();
- }
- size_t MemoryPoolDynamicStatic::get_total_usage() const {
- _THREAD_SAFE_METHOD_
- return total_usage;
- }
- MemoryPoolDynamicStatic::MemoryPoolDynamicStatic() {
- last_check = 1;
- last_alloc = 0;
- total_usage = 0;
- max_usage = 0;
- }
- MemoryPoolDynamicStatic::~MemoryPoolDynamicStatic() {
- #ifdef DEBUG_MEMORY_ENABLED
- if (OS::get_singleton()->is_stdout_verbose()) {
- if (total_usage > 0) {
- ERR_PRINT("DYNAMIC ALLOC: ** MEMORY LEAKS DETECTED **");
- ERR_PRINT(String("DYNAMIC ALLOC: " + String::num(total_usage) + " bytes of memory in use at exit.").ascii().get_data());
- ERR_PRINT("DYNAMIC ALLOC: Following is the list of leaked allocations:");
- for (int i = 0; i < MAX_CHUNKS; i++) {
- if (chunk[i].mem) {
- ERR_PRINT(String("\t" + String::num(chunk[i].size) + " bytes - " + String(chunk[i].descr)).ascii().get_data());
- }
- }
- ERR_PRINT("DYNAMIC ALLOC: End of Report.");
- print_line("INFO: dynmem - max: " + itos(max_usage) + ", " + itos(total_usage) + " leaked.");
- } else {
- print_line("INFO: dynmem - max: " + itos(max_usage) + ", no leaks.");
- }
- }
- #endif
- }
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