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 6 static inline void set_bit(int nr, unsigned long *addr) 7 { 8 addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG); 9 } 10 11 static inline void clear_bit(int nr, unsigned long *addr) 12 { 13 addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG)); 14 } 15 16 static __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