5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
#include <asm/types.h>
static inline void set_bit(int nr, unsigned long *addr)
{
addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
}
static inline void clear_bit(int nr, unsigned long *addr)
{
addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
}
static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
{
return ((1UL << (nr % __BITS_PER_LONG)) &
(((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0;
}
#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
|