1#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ 2#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ 3 4#include <asm/types.h> 5 6static inline void set_bit(int nr, unsigned long *addr) 7{ 8 addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG); 9} 10 11static inline void clear_bit(int nr, unsigned long *addr) 12{ 13 addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG)); 14} 15 16static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) 17{ 18 return ((1UL << (nr % __BITS_PER_LONG)) & 19 (((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0; 20} 21 22#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */ 23