lib/pool_alloc.h

   1 #include <stddef.h>
   2
   3 #define POOL_CLEAR      (1<<0)          /* zero fill allocations        */
   4 #define POOL_QALIGN     (1<<1)          /* align data to quanta         */
   5 #define POOL_INTERN     (1<<2)          /* Allocate extent structures   */
   6 #define POOL_APPEND     (1<<3)          /*   or appended to extent data */
   7
   8 typedef void *alloc_pool_t;
   9
  10 alloc_pool_t pool_create(size_t size, size_t quantum, void (*bomb)(const char *), int flags);
  11 void pool_destroy(alloc_pool_t pool);
  12 void *pool_alloc(alloc_pool_t pool, size_t size, const char *bomb_msg);
  13 void pool_free(alloc_pool_t pool, size_t size, void *addr);
  14 void pool_free_old(alloc_pool_t pool, void *addr);
  15 void *pool_boundary(alloc_pool_t pool, size_t size);
  16
  17 #define pool_talloc(pool, type, count, bomb_msg) \
  18         ((type *)pool_alloc(pool, sizeof(type) * count, bomb_msg))
  19
  20 #define pool_tfree(pool, type, count, addr) \
  21         (pool_free(pool, sizeof(type) * count, addr))