35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __CPUPOWER_BITMASK__
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#define __CPUPOWER_BITMASK__
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/* Taken over from libbitmask, a project initiated from sgi:
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* Url: http://oss.sgi.com/projects/cpusets/
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* Unfortunately it's not very widespread, therefore relevant parts are
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* pasted here.
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*/
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struct bitmask {
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unsigned int size;
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unsigned long *maskp;
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};
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struct bitmask *bitmask_alloc(unsigned int n);
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void bitmask_free(struct bitmask *bmp);
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struct bitmask *bitmask_setbit(struct bitmask *bmp, unsigned int i);
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struct bitmask *bitmask_setall(struct bitmask *bmp);
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struct bitmask *bitmask_clearall(struct bitmask *bmp);
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unsigned int bitmask_first(const struct bitmask *bmp);
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unsigned int bitmask_next(const struct bitmask *bmp, unsigned int i);
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unsigned int bitmask_last(const struct bitmask *bmp);
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int bitmask_isallclear(const struct bitmask *bmp);
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int bitmask_isbitset(const struct bitmask *bmp, unsigned int i);
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int bitmask_parselist(const char *buf, struct bitmask *bmp);
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int bitmask_displaylist(char *buf, int len, const struct bitmask *bmp);
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#endif /*__CPUPOWER_BITMASK__ */
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