src/basic/mempool.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2011-2014 Lennart Poettering
   8   Copyright 2014 Michal Schmidt
   9 ***/
  10
  11 #include <stddef.h>
  12
  13 struct pool;
  14
  15 struct mempool {
  16         struct pool *first_pool;
  17         void *freelist;
  18         size_t tile_size;
  19         unsigned at_least;
  20 };
  21
  22 void* mempool_alloc_tile(struct mempool *mp);
  23 void* mempool_alloc0_tile(struct mempool *mp);
  24 void mempool_free_tile(struct mempool *mp, void *p);
  25
  26 #define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
  27 static struct mempool pool_name = { \
  28         .tile_size = sizeof(tile_type), \
  29         .at_least = alloc_at_least, \
  30 }
  31
  32 #if VALGRIND
  33 void mempool_drop(struct mempool *mp);
  34 #endif