1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_TIME_TYPES_H
3 #define _UAPI_LINUX_TIME_TYPES_H
4 
5 #include <linux/types.h>
6 
7 struct __kernel_timespec {
8 	__kernel_time64_t       tv_sec;                 /* seconds */
9 	long long               tv_nsec;                /* nanoseconds */
10 };
11 
12 struct __kernel_itimerspec {
13 	struct __kernel_timespec it_interval;    /* timer period */
14 	struct __kernel_timespec it_value;       /* timer expiration */
15 };
16 
17 /*
18  * legacy timeval structure, only embedded in structures that
19  * traditionally used 'timeval' to pass time intervals (not absolute
20  * times). Do not add new users. If user space fails to compile
21  * here, this is probably because it is not y2038 safe and needs to
22  * be changed to use another interface.
23  */
24 #ifndef __kernel_old_timeval
25 struct __kernel_old_timeval {
26 	__kernel_long_t tv_sec;
27 	__kernel_long_t tv_usec;
28 };
29 #endif
30 
31 struct __kernel_old_timespec {
32 	__kernel_old_time_t	tv_sec;		/* seconds */
33 	long			tv_nsec;	/* nanoseconds */
34 };
35 
36 struct __kernel_old_itimerval {
37 	struct __kernel_old_timeval it_interval;/* timer interval */
38 	struct __kernel_old_timeval it_value;	/* current value */
39 };
40 
41 struct __kernel_sock_timeval {
42 	__s64 tv_sec;
43 	__s64 tv_usec;
44 };
45 
46 #endif /* _UAPI_LINUX_TIME_TYPES_H */
47