Release 4.14 tools/include/asm-generic/bitops/atomic.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
#include <asm/types.h>
#include <asm/bitsperlong.h>
static inline void set_bit(int nr, unsigned long *addr)
{
addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
}
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static inline void clear_bit(int nr, unsigned long *addr)
{
addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
}
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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;
}
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#define __set_bit(nr, addr) set_bit(nr, addr)
#define __clear_bit(nr, addr) clear_bit(nr, addr)
#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
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