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 _LINUX_FUTEX_H
13#define _LINUX_FUTEX_H
14
15#include <linux/sched.h>
16
17#define FUTEX_WAIT 0
18#define FUTEX_WAKE 1
19#define FUTEX_FD 2
20#define FUTEX_REQUEUE 3
21#define FUTEX_CMP_REQUEUE 4
22#define FUTEX_WAKE_OP 5
23#define FUTEX_LOCK_PI 6
24#define FUTEX_UNLOCK_PI 7
25#define FUTEX_TRYLOCK_PI 8
26
27struct robust_list {
28 struct robust_list __user *next;
29};
30
31struct robust_list_head {
32
33 struct robust_list list;
34
35 long futex_offset;
36
37 struct robust_list __user *list_op_pending;
38};
39
40#define FUTEX_WAITERS 0x80000000
41
42#define FUTEX_OWNER_DIED 0x40000000
43
44#define FUTEX_TID_MASK 0x3fffffff
45
46#define ROBUST_LIST_LIMIT 2048
47
48#define FUTEX_OP_SET 0
49#define FUTEX_OP_ADD 1
50#define FUTEX_OP_OR 2
51#define FUTEX_OP_ANDN 3
52#define FUTEX_OP_XOR 4
53#define FUTEX_OP_OPARG_SHIFT 8
54#define FUTEX_OP_CMP_EQ 0
55#define FUTEX_OP_CMP_NE 1
56#define FUTEX_OP_CMP_LT 2
57#define FUTEX_OP_CMP_LE 3
58#define FUTEX_OP_CMP_GT 4
59#define FUTEX_OP_CMP_GE 5
60#define FUTEX_OP(op, oparg, cmp, cmparg)   (((op & 0xf) << 28) | ((cmp & 0xf) << 24)   | ((oparg & 0xfff) << 12) | (cmparg & 0xfff))
61#endif
62