#include "gyehoek.h"
#include "obarray.h"

typedef struct {
  unsigned long hash;
  scm_t_bits key;
} scm_t_weak_entry;

struct weak_entry_data {
  scm_t_weak_entry *in;
  scm_t_weak_entry *out;
};

typedef struct {
  scm_t_weak_entry *entries;    /* the data */
  scm_i_pthread_mutex_t lock;   /* the lock */
  unsigned long size;    	/* total number of slots. */
  unsigned long n_items;	/* number of items in set */
  unsigned long lower;		/* when to shrink */
  unsigned long upper;		/* when to grow */
  int size_index;		/* index into hashset_size */
  int min_size_index;		/* minimum size_index */
} scm_t_weak_set;