blob: aa0dac1833bd000c17de71c6907d701d94a4cfe8 [file] [log] [blame]
Ben Cheng655a7c02013-10-16 16:09:24 -07001/****************************************************************************
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 *** To edit the content of this header, modify the corresponding
11 *** source file (e.g. under external/kernel-headers/original/) then
12 *** run bionic/libc/kernel/tools/update_all.py
13 ***
14 *** Any manual change here will be lost the next time this script will
15 *** be run. You've been warned!
16 ***
17 ****************************************************************************
18 ****************************************************************************/
19#ifndef _UAPI_LINUX_FUTEX_H
20#define _UAPI_LINUX_FUTEX_H
21#include <linux/compiler.h>
22#include <linux/types.h>
Ben Cheng655a7c02013-10-16 16:09:24 -070023#define FUTEX_WAIT 0
24#define FUTEX_WAKE 1
25#define FUTEX_FD 2
26#define FUTEX_REQUEUE 3
Ben Cheng655a7c02013-10-16 16:09:24 -070027#define FUTEX_CMP_REQUEUE 4
28#define FUTEX_WAKE_OP 5
29#define FUTEX_LOCK_PI 6
30#define FUTEX_UNLOCK_PI 7
Ben Cheng655a7c02013-10-16 16:09:24 -070031#define FUTEX_TRYLOCK_PI 8
32#define FUTEX_WAIT_BITSET 9
33#define FUTEX_WAKE_BITSET 10
34#define FUTEX_WAIT_REQUEUE_PI 11
Ben Cheng655a7c02013-10-16 16:09:24 -070035#define FUTEX_CMP_REQUEUE_PI 12
Christopher Ferris3a39c0b2021-09-02 00:03:38 +000036#define FUTEX_LOCK_PI2 13
Ben Cheng655a7c02013-10-16 16:09:24 -070037#define FUTEX_PRIVATE_FLAG 128
38#define FUTEX_CLOCK_REALTIME 256
39#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
Ben Cheng655a7c02013-10-16 16:09:24 -070040#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG)
41#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG)
42#define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG)
43#define FUTEX_CMP_REQUEUE_PRIVATE (FUTEX_CMP_REQUEUE | FUTEX_PRIVATE_FLAG)
Ben Cheng655a7c02013-10-16 16:09:24 -070044#define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG)
45#define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG)
Christopher Ferris3a39c0b2021-09-02 00:03:38 +000046#define FUTEX_LOCK_PI2_PRIVATE (FUTEX_LOCK_PI2 | FUTEX_PRIVATE_FLAG)
Ben Cheng655a7c02013-10-16 16:09:24 -070047#define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG)
48#define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG)
Ben Cheng655a7c02013-10-16 16:09:24 -070049#define FUTEX_WAIT_BITSET_PRIVATE (FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG)
50#define FUTEX_WAKE_BITSET_PRIVATE (FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG)
Tao Baod7db5942015-01-28 10:07:51 -080051#define FUTEX_WAIT_REQUEUE_PI_PRIVATE (FUTEX_WAIT_REQUEUE_PI | FUTEX_PRIVATE_FLAG)
52#define FUTEX_CMP_REQUEUE_PI_PRIVATE (FUTEX_CMP_REQUEUE_PI | FUTEX_PRIVATE_FLAG)
Ben Cheng655a7c02013-10-16 16:09:24 -070053struct robust_list {
Tao Baod7db5942015-01-28 10:07:51 -080054 struct robust_list __user * next;
Ben Cheng655a7c02013-10-16 16:09:24 -070055};
56struct robust_list_head {
Tao Baod7db5942015-01-28 10:07:51 -080057 struct robust_list list;
58 long futex_offset;
59 struct robust_list __user * list_op_pending;
Ben Cheng655a7c02013-10-16 16:09:24 -070060};
Ben Cheng655a7c02013-10-16 16:09:24 -070061#define FUTEX_WAITERS 0x80000000
62#define FUTEX_OWNER_DIED 0x40000000
63#define FUTEX_TID_MASK 0x3fffffff
64#define ROBUST_LIST_LIMIT 2048
Ben Cheng655a7c02013-10-16 16:09:24 -070065#define FUTEX_BITSET_MATCH_ANY 0xffffffff
66#define FUTEX_OP_SET 0
67#define FUTEX_OP_ADD 1
68#define FUTEX_OP_OR 2
Ben Cheng655a7c02013-10-16 16:09:24 -070069#define FUTEX_OP_ANDN 3
70#define FUTEX_OP_XOR 4
71#define FUTEX_OP_OPARG_SHIFT 8
72#define FUTEX_OP_CMP_EQ 0
Ben Cheng655a7c02013-10-16 16:09:24 -070073#define FUTEX_OP_CMP_NE 1
74#define FUTEX_OP_CMP_LT 2
75#define FUTEX_OP_CMP_LE 3
76#define FUTEX_OP_CMP_GT 4
Ben Cheng655a7c02013-10-16 16:09:24 -070077#define FUTEX_OP_CMP_GE 5
Tao Baod7db5942015-01-28 10:07:51 -080078#define FUTEX_OP(op,oparg,cmp,cmparg) (((op & 0xf) << 28) | ((cmp & 0xf) << 24) | ((oparg & 0xfff) << 12) | (cmparg & 0xfff))
Ben Cheng655a7c02013-10-16 16:09:24 -070079#endif