src/basic/mempool.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <stdbool.h>
   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;
  13         unsigned at_least;
  14 };
  15
  16 void* mempool_alloc_tile(struct mempool *mp);
  17 void* mempool_alloc0_tile(struct mempool *mp);
  18 void mempool_free_tile(struct mempool *mp, void *p);
  19
  20 #define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
  21 static struct mempool pool_name = { \
  22         .tile_size = sizeof(tile_type), \
  23         .at_least = alloc_at_least, \
  24 }
  25
  26 extern const bool mempool_use_allowed;
  27 bool mempool_enabled(void);
  28
  29 #if VALGRIND
  30 void mempool_drop(struct mempool *mp);
  31 #endif