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