bitmask, bitmask_alloc, bitmask_free, bitmask_displayhex, bitmask_displaylist, bitmask_parsehex,
Contents
Description
See further /usr/share/doc/packages/libbitmask/libbitmask.html. This document is also available in plain
text format as /usr/share/doc/packages/libbitmask/libbitmask.txt.
Name
bitmask, bitmask_alloc, bitmask_free, bitmask_displayhex, bitmask_displaylist, bitmask_parsehex,
bitmask_parselist, bitmask_copy, bitmask_setall, bitmask_clearall, bitmask_nbytes, bitmask_mask,
bitmask_nbits, bitmask_weight, bitmask_isbitset, bitmask_isbitclear, bitmask_isallset,
bitmask_isallclear, bitmask_setbit, bitmask_clearbit, bitmask_equal, bitmask_subset, bitmask_disjoint,
bitmask_intersects, bitmask_setrange, bitmask_clearrange, bitmask_keeprange, bitmask_complement,
bitmask_shiftright, bitmask_shiftleft, bitmask_and, bitmask_andnot, bitmask_or, bitmask_eor,
bitmask_first, bitmask_next, bitmask_rel_to_abs_pos, bitmask_abs_to_rel_pos, bitmask_last
- Dynamically sized multi-word bit masks.
See Also
cpuset(1), libcpuset(3), bootcpuset.conf(5), bootcpuset(8).
Synopsis
#include<bitmask.h>cc...-lbitmaskAllocateandfree`structbitmask*`:
struct bitmask *bitmask_alloc(unsigned int nbits);
void bitmask_free(struct bitmask *bmp);
Displayandparseasciistringrepresentations:
int bitmask_displayhex(char *buf, int len, const struct bitmask *bmp);
int bitmask_displaylist(char *buf, int len, const struct bitmask *bmp);
int bitmask_parsehex(const char *buf, struct bitmask *bmp);
int bitmask_parselist(const char *buf, struct bitmask *bmp);
Basicinitializationoperations:
struct bitmask *bitmask_copy(struct bitmask *bmp1, const bitmask *bmp2);
struct bitmask *bitmask_setall(struct bitmask *bmp);
struct bitmask *bitmask_clearall(struct bitmask *bmp);
Interfacetokernelsched_{set,get}affinitysystemcalls:
unsigned int bitmask_nbytes(struct bitmask *bmp);
unsigned long *bitmask_mask(struct bitmask *bmp);
Unarynumericqueries:
unsigned int bitmask_nbits(const struct bitmask *bmp);
unsigned int bitmask_weight(const struct bitmask *bmp);
UnaryBooleanqueries:
int bitmask_isbitset(const struct bitmask *bmp, unsigned int i);
int bitmask_isbitclear(const struct bitmask *bmp, unsigned int i);
int bitmask_isallset(const struct bitmask *bmp);
int bitmask_isallclear(const struct bitmask *bmp);
Singlebitoperations:
struct bitmask *bitmask_setbit(struct bitmask *bmp, unsigned int i);
struct bitmask *bitmask_clearbit(struct bitmask *bmp, unsigned int i);
BinaryBooleanoperations:bmp1op?bmp2:
int bitmask_equal(const struct bitmask *bmp1, const bitmask *bmp2);
int bitmask_subset(const struct bitmask *bmp1, const bitmask *bmp2);
int bitmask_disjoint(const struct bitmask *bmp1, const bitmask *bmp2);
int bitmask_intersects(const struct bitmask *bmp1, const bitmask *bmp2);
Rangeoperations:
struct bitmask *bitmask_setrange(struct bitmask *bmp, unsigned int i, unsigned int j);
struct bitmask *bitmask_clearrange(struct bitmask *bmp, unsigned int i, unsigned int j);
struct bitmask *bitmask_keeprange(struct bitmask *bmp, unsigned int i, unsigned int j);
Unaryoperations:
struct bitmask *bitmask_complement(struct bitmask *bmp1, const bitmask *bmp2);
struct bitmask *bitmask_shiftright(struct bitmask *bmp1, const bitmask *bmp2, unsigned int n);
struct bitmask *bitmask_shiftleft(struct bitmask *bmp1, const bitmask *bmp2, unsigned int n);
Binaryoperations:
struct bitmask *bitmask_and(struct bitmask *bmp1, const bitmask *bmp2, const bitmask *bmp3);
struct bitmask *bitmask_andnot(struct bitmask *bmp1, const bitmask *bmp2, const bitmask *bmp3);
struct bitmask *bitmask_or(struct bitmask *bmp1, const bitmask *bmp2, const bitmask *bmp3);
struct bitmask *bitmask_eor(struct bitmask *bmp1, const bitmask *bmp2, const bitmask *bmp3);
Iterationoperators:
int bitmask_first(const struct bitmask *bmp);
unsigned int bitmask_next(const struct bitmask *bmp, unsigned int i);
unsigned int bitmask_rel_to_abs_pos(const struct bitmask *bmp, unsigned int n);
unsigned int bitmask_abs_to_rel_pos(const struct bitmask *bmp, unsigned int n);
unsigned int bitmask_last(const struct bitmask *bmp);
