diff options
Diffstat (limited to 'libc/kernel/common/asm-generic/bitops/atomic.h')
| -rw-r--r-- | libc/kernel/common/asm-generic/bitops/atomic.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libc/kernel/common/asm-generic/bitops/atomic.h b/libc/kernel/common/asm-generic/bitops/atomic.h new file mode 100644 index 0000000..5f53ba9 --- /dev/null +++ b/libc/kernel/common/asm-generic/bitops/atomic.h @@ -0,0 +1,23 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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 |