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 #include <asm/bitsperlong.h>
6 
7 static inline void set_bit(int nr, unsigned long *addr)
8 {
9 	addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
10 }
11 
12 static inline void clear_bit(int nr, unsigned long *addr)
13 {
14 	addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
15 }
16 
17 static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
18 {
19 	return ((1UL << (nr % __BITS_PER_LONG)) &
20 		(((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0;
21 }
22 
23 #endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
24