| Tony SIM | 1d7a894 | 2010-01-28 17:04:55 +0900 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef __ASM_SH_SPINLOCK_H |
| 13 | #define __ASM_SH_SPINLOCK_H |
| 14 | |
| 15 | #define __raw_spin_is_locked(x) ((x)->lock <= 0) |
| 16 | #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) |
| 17 | #define __raw_spin_unlock_wait(x) do { cpu_relax(); } while ((x)->lock) |
| 18 | |
| 19 | #define __raw_read_can_lock(x) ((x)->lock > 0) |
| 20 | #define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS) |
| 21 | #define _raw_spin_relax(lock) cpu_relax() |
| 22 | #define _raw_read_relax(lock) cpu_relax() |
| 23 | #define _raw_write_relax(lock) cpu_relax() |
| 24 | #endif |