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_LOCK_PI2 13 37 #define FUTEX_PRIVATE_FLAG 128 38 #define FUTEX_CLOCK_REALTIME 256 39 #define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME) 40 #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) 44 #define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG) 45 #define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG) 46 #define FUTEX_LOCK_PI2_PRIVATE (FUTEX_LOCK_PI2 | FUTEX_PRIVATE_FLAG) 47 #define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG) 48 #define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG) 49 #define FUTEX_WAIT_BITSET_PRIVATE (FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG) 50 #define FUTEX_WAKE_BITSET_PRIVATE (FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG) 51 #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) 53 #define FUTEX_32 2 54 #define FUTEX_WAITV_MAX 128 55 struct futex_waitv { 56 __u64 val; 57 __u64 uaddr; 58 __u32 flags; 59 __u32 __reserved; 60 }; 61 struct robust_list { 62 struct robust_list * next; 63 }; 64 struct robust_list_head { 65 struct robust_list list; 66 long futex_offset; 67 struct robust_list * list_op_pending; 68 }; 69 #define FUTEX_WAITERS 0x80000000 70 #define FUTEX_OWNER_DIED 0x40000000 71 #define FUTEX_TID_MASK 0x3fffffff 72 #define ROBUST_LIST_LIMIT 2048 73 #define FUTEX_BITSET_MATCH_ANY 0xffffffff 74 #define FUTEX_OP_SET 0 75 #define FUTEX_OP_ADD 1 76 #define FUTEX_OP_OR 2 77 #define FUTEX_OP_ANDN 3 78 #define FUTEX_OP_XOR 4 79 #define FUTEX_OP_OPARG_SHIFT 8 80 #define FUTEX_OP_CMP_EQ 0 81 #define FUTEX_OP_CMP_NE 1 82 #define FUTEX_OP_CMP_LT 2 83 #define FUTEX_OP_CMP_LE 3 84 #define FUTEX_OP_CMP_GT 4 85 #define FUTEX_OP_CMP_GE 5 86 #define FUTEX_OP(op,oparg,cmp,cmparg) (((op & 0xf) << 28) | ((cmp & 0xf) << 24) | ((oparg & 0xfff) << 12) | (cmparg & 0xfff)) 87 #endif 88