28 lines
654 B
C
28 lines
654 B
C
/* NEW CODE for optimised bit array.
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* Copyright (C) 2024 Zak Fenton
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* NO WARRANTY USE AT YOUR OWN RISK etc. under terms of UNLICENSE or MIT license
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*/
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#ifndef _BITARRAY_H
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#define _BITARRAY_H
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struct bitarray {
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sched_spinlock_t lock;
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int size;
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int pad;
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uint64 data[64];
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};
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struct bitarray* bitarrayalloc(int nbits);
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int bitarray_get(struct bitarray* a, int index);
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int bitarray_getnolock(struct bitarray* a, int index);
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int bitarray_findlowest(struct bitarray* a, int startidx);
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int bitarray_poplowest(struct bitarray* a, int startidx);
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void bitarray_set(struct bitarray* a, int index, int val);
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/* From ifndef at top of file: */
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#endif
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