]>
git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/asm-sparc/futex.h
6 #include <linux/futex.h>
8 #include <asm/uaccess.h>
11 futex_atomic_op_inuser (int encoded_op
, int __user
*uaddr
)
13 int op
= (encoded_op
>> 28) & 7;
14 int cmp
= (encoded_op
>> 24) & 15;
15 int oparg
= (encoded_op
<< 8) >> 20;
16 int cmparg
= (encoded_op
<< 20) >> 20;
17 int oldval
= 0, ret
, tem
;
18 if (encoded_op
& (FUTEX_OP_OPARG_SHIFT
<< 28))
21 if (! access_ok (VERIFY_WRITE
, uaddr
, sizeof(int)))
40 case FUTEX_OP_CMP_EQ
: ret
= (oldval
== cmparg
); break;
41 case FUTEX_OP_CMP_NE
: ret
= (oldval
!= cmparg
); break;
42 case FUTEX_OP_CMP_LT
: ret
= (oldval
< cmparg
); break;
43 case FUTEX_OP_CMP_GE
: ret
= (oldval
>= cmparg
); break;
44 case FUTEX_OP_CMP_LE
: ret
= (oldval
<= cmparg
); break;
45 case FUTEX_OP_CMP_GT
: ret
= (oldval
> cmparg
); break;
46 default: ret
= -ENOSYS
;