taisei/src/memory/mempool.h
2024-06-05 18:35:08 +02:00

42 lines
932 B
C

/*
* This software is licensed under the terms of the MIT License.
* See COPYING for further information.
* ---
* Copyright (c) 2011-2024, Lukas Weber <laochailan@web.de>.
* Copyright (c) 2012-2024, Andrei Alexeyev <akari@taisei-project.org>.
*/
#pragma once
#include "taisei.h"
#include "arena.h"
typedef struct MemPool MemPool;
typedef struct MemPoolObjectHeader {
alignas(alignof(max_align_t)) struct MemPoolObjectHeader *next;
} MemPoolObjectHeader;
struct MemPool {
MemArena *arena;
MemPoolObjectHeader *free_objects;
const char *tag;
size_t obj_size;
size_t obj_align;
int num_allocated;
int num_used;
};
void mempool_init(
MemPool *pool,
const char *tag,
MemArena *arena,
size_t obj_size,
size_t obj_align
) attr_nonnull(1, 2, 3);
void *mempool_acquire(MemPool *pool)
attr_returns_allocated attr_hot attr_nonnull(1);
void mempool_release(MemPool *pool, void *object)
attr_hot attr_nonnull(1, 2);