/tools/perf/util/include/linux/bitops.h

https://bitbucket.org/abioy/linux · C Header · 29 lines · 21 code · 8 blank · 0 comment · 1 complexity · 361c20bf736f5e1be449d6e07700ea53 MD5 · raw file 

    

  1. #ifndef _PERF_LINUX_BITOPS_H_
    2. 

  2. #define _PERF_LINUX_BITOPS_H_
    3. 

  3. 

  4. #define __KERNEL__
    5. 

  5. 

  6. #define CONFIG_GENERIC_FIND_NEXT_BIT
    7. 

  7. #define CONFIG_GENERIC_FIND_FIRST_BIT
    8. 

  8. #include "../../../../include/linux/bitops.h"
    9. 

  9. 

  10. #undef __KERNEL__
    11. 

  11. 

  12. static inline void set_bit(int nr, unsigned long *addr)
    13. 

  13. {
    14. 

  14. 	addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG);
    15. 

  15. }
    16. 

  16. 

  17. static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
    18. 

  18. {
    19. 

  19. 	return ((1UL << (nr % BITS_PER_LONG)) &
    20. 

  20. 		(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
    21. 

  21. }
    22. 

  22. 

  23. unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned
    24. 

  24. 		long size, unsigned long offset);
    25. 

  25. 

  26. unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
    27. 

  27. 		long size, unsigned long offset);
    28. 

  28. 

  29. #endif
    30.