[thirdparty/systemd.git] / src / basic / mempool.h

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once

#include <stdbool.h>
#include <stddef.h>

struct pool;

struct mempool {
        struct pool *first_pool;
        void *freelist;
        size_t tile_size;
        size_t at_least;
};

void* mempool_alloc_tile(struct mempool *mp);
void* mempool_alloc0_tile(struct mempool *mp);
void* mempool_free_tile(struct mempool *mp, void *p);

#define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
static struct mempool pool_name = { \
        .tile_size = sizeof(tile_type), \
        .at_least = alloc_at_least, \
}

__attribute__((weak)) bool mempool_enabled(void);

void mempool_trim(struct mempool *mp);
Commit	Line	Data
db9ecf05	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
b3dcf58e MS	2	#pragma once
b3dcf58e MS	3
a5d8835c	4	#include <stdbool.h>
b3dcf58e MS	5	#include <stddef.h>
	6
	7	struct pool;
	8
	9	struct mempool {
	10	struct pool *first_pool;
	11	void *freelist;
	12	size_t tile_size;
b6ff400f	13	size_t at_least;
b3dcf58e MS	14	};
	15
	16	void* mempool_alloc_tile(struct mempool *mp);
52fc5ce3	17	void* mempool_alloc0_tile(struct mempool *mp);
4392b983	18	void* mempool_free_tile(struct mempool mp, void p);
b3dcf58e MS	19
b3dcf58e MS	20	#define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
dd422d1e	21	static struct mempool pool_name = { \
b3dcf58e MS	22	.tile_size = sizeof(tile_type), \
	23	.at_least = alloc_at_least, \
	24	}
	25
b01f3195	26	__attribute__((weak)) bool mempool_enabled(void);
7c48ea02	27
a2b052b2	28	void mempool_trim(struct mempool *mp);