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> <<
7 6
8 #ifndef __KERNEL__ !! 7
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
>> 21 struct timezone {
>> 22 int tz_minuteswest; /* minutes west of Greenwich */
>> 23 int tz_dsttime; /* type of dst correction */
>> 24 };
>> 25
>> 26
>> 27 /*
>> 28 * Names of the interval timers, and structure
>> 29 * defining a timer setting:
>> 30 */
>> 31 #define ITIMER_REAL 0
>> 32 #define ITIMER_VIRTUAL 1
>> 33 #define ITIMER_PROF 2
>> 34
22 struct itimerspec { 35 struct itimerspec {
23 struct timespec it_interval;/* timer p !! 36 struct timespec it_interval; /* timer period */
24 struct timespec it_value; /* tim 37 struct timespec it_value; /* timer expiration */
25 }; 38 };
26 39
27 struct itimerval { 40 struct itimerval {
28 struct timeval it_interval;/* timer in !! 41 struct timeval it_interval; /* timer interval */
29 struct timeval it_value; /* cur 42 struct timeval it_value; /* current value */
30 }; 43 };
>> 44
>> 45 #ifndef __kernel_timespec
>> 46 struct __kernel_timespec {
>> 47 __kernel_time64_t tv_sec; /* seconds */
>> 48 long long tv_nsec; /* nanoseconds */
>> 49 };
31 #endif 50 #endif
32 51
33 struct timezone { !! 52 #ifndef __kernel_itimerspec
34 int tz_minuteswest; /* minutes wes !! 53 struct __kernel_itimerspec {
35 int tz_dsttime; /* type of dst !! 54 struct __kernel_timespec it_interval; /* timer period */
>> 55 struct __kernel_timespec it_value; /* timer expiration */
36 }; 56 };
>> 57 #endif
37 58
38 /* 59 /*
39 * Names of the interval timers, and structure !! 60 * legacy timeval structure, only embedded in structures that
40 * defining a timer setting: !! 61 * traditionally used 'timeval' to pass time intervals (not absolute
>> 62 * times). Do not add new users. If user space fails to compile
>> 63 * here, this is probably because it is not y2038 safe and needs to
>> 64 * be changed to use another interface.
41 */ 65 */
42 #define ITIMER_REAL 0 !! 66 struct __kernel_old_timeval {
43 #define ITIMER_VIRTUAL 1 !! 67 __kernel_long_t tv_sec;
44 #define ITIMER_PROF 2 !! 68 __kernel_long_t tv_usec;
>> 69 };
45 70
46 /* 71 /*
47 * The IDs of the various system clocks (for P 72 * The IDs of the various system clocks (for POSIX.1b interval timers):
48 */ 73 */
49 #define CLOCK_REALTIME 0 74 #define CLOCK_REALTIME 0
50 #define CLOCK_MONOTONIC 1 75 #define CLOCK_MONOTONIC 1
51 #define CLOCK_PROCESS_CPUTIME_ID 2 76 #define CLOCK_PROCESS_CPUTIME_ID 2
52 #define CLOCK_THREAD_CPUTIME_ID 3 77 #define CLOCK_THREAD_CPUTIME_ID 3
53 #define CLOCK_MONOTONIC_RAW 4 78 #define CLOCK_MONOTONIC_RAW 4
54 #define CLOCK_REALTIME_COARSE 5 79 #define CLOCK_REALTIME_COARSE 5
55 #define CLOCK_MONOTONIC_COARSE 6 80 #define CLOCK_MONOTONIC_COARSE 6
56 #define CLOCK_BOOTTIME 7 81 #define CLOCK_BOOTTIME 7
57 #define CLOCK_REALTIME_ALARM 8 82 #define CLOCK_REALTIME_ALARM 8
58 #define CLOCK_BOOTTIME_ALARM 9 83 #define CLOCK_BOOTTIME_ALARM 9
59 /* 84 /*
60 * The driver implementing this got removed. T 85 * The driver implementing this got removed. The clock ID is kept as a
61 * place holder. Do not reuse! 86 * place holder. Do not reuse!
62 */ 87 */
63 #define CLOCK_SGI_CYCLE 10 88 #define CLOCK_SGI_CYCLE 10
64 #define CLOCK_TAI 11 89 #define CLOCK_TAI 11
65 90
66 #define MAX_CLOCKS 16 91 #define MAX_CLOCKS 16
67 #define CLOCKS_MASK (CLOCK 92 #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
68 #define CLOCKS_MONO CLOCK_ 93 #define CLOCKS_MONO CLOCK_MONOTONIC
69 94
70 /* 95 /*
71 * The various flags for setting POSIX.1b inte 96 * The various flags for setting POSIX.1b interval timers:
72 */ 97 */
73 #define TIMER_ABSTIME 0x01 98 #define TIMER_ABSTIME 0x01
74 99
75 #endif /* _UAPI_LINUX_TIME_H */ 100 #endif /* _UAPI_LINUX_TIME_H */
76 101
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