1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_TIME_H 2 #ifndef _UAPI_LINUX_TIME_H
3 #define _UAPI_LINUX_TIME_H 3 #define _UAPI_LINUX_TIME_H
4 4
5 #include <linux/types.h> 5 #include <linux/types.h>
6 #include <linux/time_types.h> 6 #include <linux/time_types.h>
7 7
8 #ifndef __KERNEL__ 8 #ifndef __KERNEL__
9 #ifndef _STRUCT_TIMESPEC 9 #ifndef _STRUCT_TIMESPEC
10 #define _STRUCT_TIMESPEC 10 #define _STRUCT_TIMESPEC
11 struct timespec { 11 struct timespec {
12 __kernel_old_time_t tv_sec; 12 __kernel_old_time_t tv_sec; /* seconds */
13 long tv_nsec; 13 long tv_nsec; /* nanoseconds */
14 }; 14 };
15 #endif 15 #endif
16 16
17 struct timeval { 17 struct timeval {
18 __kernel_old_time_t tv_sec; 18 __kernel_old_time_t tv_sec; /* seconds */
19 __kernel_suseconds_t tv_usec; 19 __kernel_suseconds_t tv_usec; /* microseconds */
20 }; 20 };
21 21
22 struct itimerspec { 22 struct itimerspec {
23 struct timespec it_interval;/* timer p 23 struct timespec it_interval;/* timer period */
24 struct timespec it_value; /* tim 24 struct timespec it_value; /* timer expiration */
25 }; 25 };
26 26
27 struct itimerval { 27 struct itimerval {
28 struct timeval it_interval;/* timer in 28 struct timeval it_interval;/* timer interval */
29 struct timeval it_value; /* cur 29 struct timeval it_value; /* current value */
30 }; 30 };
31 #endif 31 #endif
32 32
33 struct timezone { 33 struct timezone {
34 int tz_minuteswest; /* minutes wes 34 int tz_minuteswest; /* minutes west of Greenwich */
35 int tz_dsttime; /* type of dst 35 int tz_dsttime; /* type of dst correction */
36 }; 36 };
37 37
38 /* 38 /*
39 * Names of the interval timers, and structure 39 * Names of the interval timers, and structure
40 * defining a timer setting: 40 * defining a timer setting:
41 */ 41 */
42 #define ITIMER_REAL 0 42 #define ITIMER_REAL 0
43 #define ITIMER_VIRTUAL 1 43 #define ITIMER_VIRTUAL 1
44 #define ITIMER_PROF 2 44 #define ITIMER_PROF 2
45 45
46 /* 46 /*
47 * The IDs of the various system clocks (for P 47 * The IDs of the various system clocks (for POSIX.1b interval timers):
48 */ 48 */
49 #define CLOCK_REALTIME 0 49 #define CLOCK_REALTIME 0
50 #define CLOCK_MONOTONIC 1 50 #define CLOCK_MONOTONIC 1
51 #define CLOCK_PROCESS_CPUTIME_ID 2 51 #define CLOCK_PROCESS_CPUTIME_ID 2
52 #define CLOCK_THREAD_CPUTIME_ID 3 52 #define CLOCK_THREAD_CPUTIME_ID 3
53 #define CLOCK_MONOTONIC_RAW 4 53 #define CLOCK_MONOTONIC_RAW 4
54 #define CLOCK_REALTIME_COARSE 5 54 #define CLOCK_REALTIME_COARSE 5
55 #define CLOCK_MONOTONIC_COARSE 6 55 #define CLOCK_MONOTONIC_COARSE 6
56 #define CLOCK_BOOTTIME 7 56 #define CLOCK_BOOTTIME 7
57 #define CLOCK_REALTIME_ALARM 8 57 #define CLOCK_REALTIME_ALARM 8
58 #define CLOCK_BOOTTIME_ALARM 9 58 #define CLOCK_BOOTTIME_ALARM 9
59 /* 59 /*
60 * The driver implementing this got removed. T 60 * The driver implementing this got removed. The clock ID is kept as a
61 * place holder. Do not reuse! 61 * place holder. Do not reuse!
62 */ 62 */
63 #define CLOCK_SGI_CYCLE 10 63 #define CLOCK_SGI_CYCLE 10
64 #define CLOCK_TAI 11 64 #define CLOCK_TAI 11
65 65
66 #define MAX_CLOCKS 16 66 #define MAX_CLOCKS 16
67 #define CLOCKS_MASK (CLOCK 67 #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
68 #define CLOCKS_MONO CLOCK_ 68 #define CLOCKS_MONO CLOCK_MONOTONIC
69 69
70 /* 70 /*
71 * The various flags for setting POSIX.1b inte 71 * The various flags for setting POSIX.1b interval timers:
72 */ 72 */
73 #define TIMER_ABSTIME 0x01 73 #define TIMER_ABSTIME 0x01
74 74
75 #endif /* _UAPI_LINUX_TIME_H */ 75 #endif /* _UAPI_LINUX_TIME_H */
76 76
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