bionic/libc/kernel/common/asm-generic/bitops/atomic.h
2009-03-03 19:28:35 -08:00

24 lines
1.0 KiB
C

/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
****************************************************************************
****************************************************************************/
#ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_
#define _ASM_GENERIC_BITOPS_ATOMIC_H_
#include <asm/types.h>
#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
#define _atomic_spin_lock_irqsave(l,f) do { local_irq_save(f); } while (0)
#define _atomic_spin_unlock_irqrestore(l,f) do { local_irq_restore(f); } while (0)
#endif