/* NEW CODE for optimised bit array.
 * Copyright (C) 2024 Zak Fenton
 * NO WARRANTY USE AT YOUR OWN RISK etc. under terms of UNLICENSE or MIT license
 */

#ifndef _BITARRAY_H
#define _BITARRAY_H

struct bitarray {
  sched_spinlock_t lock;
  int size;
  int pad;
  uint64 data[64];
};

struct bitarray* bitarrayalloc(int nbits);

int bitarray_get(struct bitarray* a, int index);
int bitarray_getnolock(struct bitarray* a, int index);
int bitarray_findlowest(struct bitarray* a, int startidx);
int bitarray_poplowest(struct bitarray* a, int startidx);
void bitarray_set(struct bitarray* a, int index, int val);


/* From ifndef at top of file: */
#endif