| #ifndef __ASM_SH_FUTEX_IRQ_H | |
| #define __ASM_SH_FUTEX_IRQ_H | |
| static inline int atomic_futex_op_cmpxchg_inatomic(u32 *uval, | |
| u32 __user *uaddr, | |
| u32 oldval, u32 newval) | |
| { | |
| unsigned long flags; | |
| int ret; | |
| u32 prev = 0; | |
| local_irq_save(flags); | |
| ret = get_user(prev, uaddr); | |
| if (!ret && oldval == prev) | |
| ret = put_user(newval, uaddr); | |
| local_irq_restore(flags); | |
| *uval = prev; | |
| return ret; | |
| } | |
| #endif /* __ASM_SH_FUTEX_IRQ_H */ |