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_PR_H 20 #define _UAPI_PR_H 21 enum pr_type { 22 PR_WRITE_EXCLUSIVE = 1, 23 PR_EXCLUSIVE_ACCESS = 2, 24 PR_WRITE_EXCLUSIVE_REG_ONLY = 3, 25 PR_EXCLUSIVE_ACCESS_REG_ONLY = 4, 26 PR_WRITE_EXCLUSIVE_ALL_REGS = 5, 27 PR_EXCLUSIVE_ACCESS_ALL_REGS = 6, 28 }; 29 struct pr_reservation { 30 __u64 key; 31 __u32 type; 32 __u32 flags; 33 }; 34 struct pr_registration { 35 __u64 old_key; 36 __u64 new_key; 37 __u32 flags; 38 __u32 __pad; 39 }; 40 struct pr_preempt { 41 __u64 old_key; 42 __u64 new_key; 43 __u32 type; 44 __u32 flags; 45 }; 46 struct pr_clear { 47 __u64 key; 48 __u32 flags; 49 __u32 __pad; 50 }; 51 #define PR_FL_IGNORE_KEY (1 << 0) 52 #define IOC_PR_REGISTER _IOW('p', 200, struct pr_registration) 53 #define IOC_PR_RESERVE _IOW('p', 201, struct pr_reservation) 54 #define IOC_PR_RELEASE _IOW('p', 202, struct pr_reservation) 55 #define IOC_PR_PREEMPT _IOW('p', 203, struct pr_preempt) 56 #define IOC_PR_PREEMPT_ABORT _IOW('p', 204, struct pr_preempt) 57 #define IOC_PR_CLEAR _IOW('p', 205, struct pr_clear) 58 #endif 59