1 #ifndef __ASM_SH_FUTEX_IRQ_H
2 #define __ASM_SH_FUTEX_IRQ_H
4 #include <asm/system.h>
6 static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr,
12 local_irq_save(flags);
14 ret = get_user(*oldval, uaddr);
16 ret = put_user(oparg, uaddr);
18 local_irq_restore(flags);
23 static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr,
29 local_irq_save(flags);
31 ret = get_user(*oldval, uaddr);
33 ret = put_user(*oldval + oparg, uaddr);
35 local_irq_restore(flags);
40 static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr,
46 local_irq_save(flags);
48 ret = get_user(*oldval, uaddr);
50 ret = put_user(*oldval | oparg, uaddr);
52 local_irq_restore(flags);
57 static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr,
63 local_irq_save(flags);
65 ret = get_user(*oldval, uaddr);
67 ret = put_user(*oldval & oparg, uaddr);
69 local_irq_restore(flags);
74 static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr,
80 local_irq_save(flags);
82 ret = get_user(*oldval, uaddr);
84 ret = put_user(*oldval ^ oparg, uaddr);
86 local_irq_restore(flags);
91 static inline int atomic_futex_op_cmpxchg_inatomic(u32 *uval,
93 u32 oldval, u32 newval)
99 local_irq_save(flags);
101 ret = get_user(prev, uaddr);
102 if (!ret && oldval == prev)
103 ret = put_user(newval, uaddr);
105 local_irq_restore(flags);
111 #endif /* __ASM_SH_FUTEX_IRQ_H */