1 #ifndef __CPUPOWER_BITMASK__ 2 #define __CPUPOWER_BITMASK__ 3 4 /* Taken over from libbitmask, a project initiated from sgi: 5 * Url: http://oss.sgi.com/projects/cpusets/ 6 * Unfortunately it's not very widespread, therefore relevant parts are 7 * pasted here. 8 */ 9 10 struct bitmask { 11 unsigned int size; 12 unsigned long *maskp; 13 }; 14 15 struct bitmask *bitmask_alloc(unsigned int n); 16 void bitmask_free(struct bitmask *bmp); 17 18 struct bitmask *bitmask_setbit(struct bitmask *bmp, unsigned int i); 19 struct bitmask *bitmask_setall(struct bitmask *bmp); 20 struct bitmask *bitmask_clearall(struct bitmask *bmp); 21 22 unsigned int bitmask_first(const struct bitmask *bmp); 23 unsigned int bitmask_next(const struct bitmask *bmp, unsigned int i); 24 unsigned int bitmask_last(const struct bitmask *bmp); 25 int bitmask_isallclear(const struct bitmask *bmp); 26 int bitmask_isbitset(const struct bitmask *bmp, unsigned int i); 27 28 int bitmask_parselist(const char *buf, struct bitmask *bmp); 29 int bitmask_displaylist(char *buf, int len, const struct bitmask *bmp); 30 31 32 33 #endif /*__CPUPOWER_BITMASK__ */ 34