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 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_KTIME_H 13 #define _LINUX_KTIME_H 14 15 #include <linux/time.h> 16 #include <linux/jiffies.h> 17 18 typedef union { 19 s64 tv64; 20 #if BITS_PER_LONG != (64 && !defined(CONFIG_KTIME_SCALAR)) 21 struct { 22 #ifdef __BIG_ENDIAN 23 s32 sec, nsec; 24 #else 25 s32 nsec, sec; 26 #endif 27 } tv; 28 #endif 29 } ktime_t; 30 31 #define KTIME_MAX ((s64)~((u64)1 << 63)) 32 #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) 33 34 #if BITS_PER_LONG == 64 35 36 #if BITS_PER_LONG == 64 37 #endif 38 #define ktime_sub(lhs, rhs) ({ (ktime_t){ .tv64 = (lhs).tv64 - (rhs).tv64 }; }) 39 #define ktime_add(lhs, rhs) ({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; }) 40 #define ktime_add_ns(kt, nsval) ({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; }) 41 #define ktime_to_timespec(kt) ns_to_timespec((kt).tv64) 42 #define ktime_to_timeval(kt) ns_to_timeval((kt).tv64) 43 #define ktime_to_ns(kt) ((kt).tv64) 44 #else 45 46 #endif 47 #define KTIME_REALTIME_RES (ktime_t){ .tv64 = TICK_NSEC } 48 #define KTIME_MONOTONIC_RES (ktime_t){ .tv64 = TICK_NSEC } 49 50 #define ktime_get_real_ts(ts) getnstimeofday(ts) 51 52 #endif 53
