x-heap.h

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#ifndef X_HEAP_H
#define X_HEAP_H
 
#include "x-base.h"
 
#ifndef X_HEAP
#warning X_HEAP is required
#else /* X_HEAP */
 
typedef x_obj_t *(*x_heap_mark_fn_t)(x_obj_t *, x_obj_t *, x_obj_flag_t);
 
typedef void (*x_heap_free_fn_t)(x_obj_t *, x_obj_t *);
 
x_obj_t *x_heap_tree_mark(x_obj_t *p_base, x_obj_t *p_obj, x_obj_flag_t flags);
 
x_obj_t *x_heap_sweep(x_obj_t *p_base, x_obj_t *p_obj, x_obj_flag_t flags);
 
x_obj_t *x_heap_chain_clear(x_obj_t *p_node, x_obj_flag_t flags);
 
void x_heap_mark_hook_add(x_obj_t *p_base, x_obj_t *p_hook);
 
void x_heap_free_hook_add(x_obj_t *p_base, x_obj_t *p_hook);
 
void x_heap_mark_root_add(x_obj_t *p_base, x_obj_t *p_root);
 
#define x_heap_root_chain(B) \
    x_firstobj(x_base_field_heap_root_chain(B))
 
#define x_heap_root_slot(B) \
    (x_base_isset(B) ? &x_heap_root_chain(B) : (x_obj_t **)NULL)
 
#define x_heap_root_push(p_slot, node) \
    ((p_slot) != NULL \
        ? (void)(x_obj_heap((x_obj_t *)(node)) = *(p_slot), \
            *(p_slot) = (x_obj_t *)(node)) \
        : (void)0)
 
#define x_heap_root_pop(p_slot) \
    ((p_slot) != NULL \
        ? (void)(*(p_slot) = x_obj_heap(*(p_slot))) \
        : (void)0)
 
x_obj_t *x_heap_root_chain_mark(x_obj_t *p_base, x_obj_flag_t flags);
 
#endif /* X_HEAP */
 
#endif /* X_HEAP_H */