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 *** 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> 23#define FUTEX_WAIT 0 24#define FUTEX_WAKE 1 25#define FUTEX_FD 2 26#define FUTEX_REQUEUE 3 27#define FUTEX_CMP_REQUEUE 4 28#define FUTEX_WAKE_OP 5 29#define FUTEX_LOCK_PI 6 30#define FUTEX_UNLOCK_PI 7 31#define FUTEX_TRYLOCK_PI 8 32#define FUTEX_WAIT_BITSET 9 33#define FUTEX_WAKE_BITSET 10 34#define FUTEX_WAIT_REQUEUE_PI 11 35#define FUTEX_CMP_REQUEUE_PI 12 36#define FUTEX_PRIVATE_FLAG 128 37#define FUTEX_CLOCK_REALTIME 256 38#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME) 39#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG) 40#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG) 41#define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG) 42#define FUTEX_CMP_REQUEUE_PRIVATE (FUTEX_CMP_REQUEUE | FUTEX_PRIVATE_FLAG) 43#define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG) 44#define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG) 45#define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG) 46#define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG) 47#define FUTEX_WAIT_BITSET_PRIVATE (FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG) 48#define FUTEX_WAKE_BITSET_PRIVATE (FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG) 49#define FUTEX_WAIT_REQUEUE_PI_PRIVATE (FUTEX_WAIT_REQUEUE_PI | FUTEX_PRIVATE_FLAG) 50#define FUTEX_CMP_REQUEUE_PI_PRIVATE (FUTEX_CMP_REQUEUE_PI | FUTEX_PRIVATE_FLAG) 51struct robust_list { 52 struct robust_list __user * next; 53}; 54struct robust_list_head { 55 struct robust_list list; 56 long futex_offset; 57 struct robust_list __user * list_op_pending; 58}; 59#define FUTEX_WAITERS 0x80000000 60#define FUTEX_OWNER_DIED 0x40000000 61#define FUTEX_TID_MASK 0x3fffffff 62#define ROBUST_LIST_LIMIT 2048 63#define FUTEX_BITSET_MATCH_ANY 0xffffffff 64#define FUTEX_OP_SET 0 65#define FUTEX_OP_ADD 1 66#define FUTEX_OP_OR 2 67#define FUTEX_OP_ANDN 3 68#define FUTEX_OP_XOR 4 69#define FUTEX_OP_OPARG_SHIFT 8 70#define FUTEX_OP_CMP_EQ 0 71#define FUTEX_OP_CMP_NE 1 72#define FUTEX_OP_CMP_LT 2 73#define FUTEX_OP_CMP_LE 3 74#define FUTEX_OP_CMP_GT 4 75#define FUTEX_OP_CMP_GE 5 76#define FUTEX_OP(op,oparg,cmp,cmparg) (((op & 0xf) << 28) | ((cmp & 0xf) << 24) | ((oparg & 0xfff) << 12) | (cmparg & 0xfff)) 77#endif 78