src/basic/mempool.h

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