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 _GENLOCK_H_ 20 #define _GENLOCK_H_ 21 #define GENLOCK_UNLOCK 0 22 #define GENLOCK_WRLOCK 1 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define GENLOCK_RDLOCK 2 25 #define GENLOCK_NOBLOCK (1 << 0) 26 #define GENLOCK_WRITE_TO_READ (1 << 1) 27 struct genlock_lock { 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 int fd; 30 int op; 31 int flags; 32 int timeout; 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 }; 35 #define GENLOCK_IOC_MAGIC 'G' 36 #define GENLOCK_IOC_NEW _IO(GENLOCK_IOC_MAGIC, 0) 37 #define GENLOCK_IOC_EXPORT _IOR(GENLOCK_IOC_MAGIC, 1, struct genlock_lock) 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define GENLOCK_IOC_ATTACH _IOW(GENLOCK_IOC_MAGIC, 2, struct genlock_lock) 40 #define GENLOCK_IOC_LOCK _IOW(GENLOCK_IOC_MAGIC, 3, struct genlock_lock) 41 #define GENLOCK_IOC_RELEASE _IO(GENLOCK_IOC_MAGIC, 4) 42 #define GENLOCK_IOC_WAIT _IOW(GENLOCK_IOC_MAGIC, 5, struct genlock_lock) 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #define GENLOCK_IOC_DREADLOCK _IOW(GENLOCK_IOC_MAGIC, 6, struct genlock_lock) 45 #endif 46 47
