mware/pool.h

   1 #ifndef MWARE_POOL_H
   2 #define MWARE_POOL_H
   3
   4 #include <macros.h>
   5 #include <mware/list.h>
   6
   7 #define EXTERN_POOL(name) \
   8         extern List name
   9
  10 #define DECLARE_POOL_WITH_STORAGE(name, type, num, storage) \
  11         static type name##_items[num]; \
  12         storage name; \
  13         INLINE void name##_init(void (*init_func)(type*)) \
  14         { \
  15                 int i; \
  16                 LIST_INIT(&name); \
  17                 for (i=0;i<countof(name##_items);++i) \
  18                 { \
  19                         if (init_func) init_func(&name##_items[i]); \
  20                         ADDTAIL(&name, (Node*)&name##_items[i]); \
  21                 } \
  22         } \
  23         INLINE void name##_init(void (*init_func)(type*)) \
  24         /**/
  25
  26 #define DECLARE_POOL(name, type, num) \
  27         DECLARE_POOL_WITH_STORAGE(name, type, num, List)
  28
  29 #define DECLARE_POOL_STATIC(name, type, num) \
  30         DECLARE_POOL_WITH_STORAGE(name, type, num, static List)
  31
  32 #define pool_init(name, init_func)     (*(name##_init))(init_func)
  33 #define pool_alloc(name)               REMHEAD(name)
  34 #define pool_free(name, elem)          ADDHEAD(name, (Node*)elem)
  35 #define pool_empty(name)               ISLISTEMPTY(name)
  36
  37 #endif