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
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
>> 26
38 /* 27 /*
39 * Names of the interval timers, and structure 28 * Names of the interval timers, and structure
40 * defining a timer setting: 29 * defining a timer setting:
41 */ 30 */
42 #define ITIMER_REAL 0 31 #define ITIMER_REAL 0
43 #define ITIMER_VIRTUAL 1 32 #define ITIMER_VIRTUAL 1
44 #define ITIMER_PROF 2 33 #define ITIMER_PROF 2
>> 34
>> 35 struct itimerspec {
>> 36 struct timespec it_interval; /* timer period */
>> 37 struct timespec it_value; /* timer expiration */
>> 38 };
>> 39
>> 40 struct itimerval {
>> 41 struct timeval it_interval; /* timer interval */
>> 42 struct timeval it_value; /* current value */
>> 43 };
>> 44
>> 45 /*
>> 46 * legacy timeval structure, only embedded in structures that
>> 47 * traditionally used 'timeval' to pass time intervals (not absolute
>> 48 * times). Do not add new users. If user space fails to compile
>> 49 * here, this is probably because it is not y2038 safe and needs to
>> 50 * be changed to use another interface.
>> 51 */
>> 52 struct __kernel_old_timeval {
>> 53 __kernel_long_t tv_sec;
>> 54 __kernel_long_t tv_usec;
>> 55 };
45 56
46 /* 57 /*
47 * The IDs of the various system clocks (for P 58 * The IDs of the various system clocks (for POSIX.1b interval timers):
48 */ 59 */
49 #define CLOCK_REALTIME 0 60 #define CLOCK_REALTIME 0
50 #define CLOCK_MONOTONIC 1 61 #define CLOCK_MONOTONIC 1
51 #define CLOCK_PROCESS_CPUTIME_ID 2 62 #define CLOCK_PROCESS_CPUTIME_ID 2
52 #define CLOCK_THREAD_CPUTIME_ID 3 63 #define CLOCK_THREAD_CPUTIME_ID 3
53 #define CLOCK_MONOTONIC_RAW 4 64 #define CLOCK_MONOTONIC_RAW 4
54 #define CLOCK_REALTIME_COARSE 5 65 #define CLOCK_REALTIME_COARSE 5
55 #define CLOCK_MONOTONIC_COARSE 6 66 #define CLOCK_MONOTONIC_COARSE 6
56 #define CLOCK_BOOTTIME 7 67 #define CLOCK_BOOTTIME 7
57 #define CLOCK_REALTIME_ALARM 8 68 #define CLOCK_REALTIME_ALARM 8
58 #define CLOCK_BOOTTIME_ALARM 9 69 #define CLOCK_BOOTTIME_ALARM 9
59 /* 70 /*
60 * The driver implementing this got removed. T 71 * The driver implementing this got removed. The clock ID is kept as a
61 * place holder. Do not reuse! 72 * place holder. Do not reuse!
62 */ 73 */
63 #define CLOCK_SGI_CYCLE 10 74 #define CLOCK_SGI_CYCLE 10
64 #define CLOCK_TAI 11 75 #define CLOCK_TAI 11
65 76
66 #define MAX_CLOCKS 16 77 #define MAX_CLOCKS 16
67 #define CLOCKS_MASK (CLOCK 78 #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
68 #define CLOCKS_MONO CLOCK_ 79 #define CLOCKS_MONO CLOCK_MONOTONIC
69 80
70 /* 81 /*
71 * The various flags for setting POSIX.1b inte 82 * The various flags for setting POSIX.1b interval timers:
72 */ 83 */
73 #define TIMER_ABSTIME 0x01 84 #define TIMER_ABSTIME 0x01
74 85
75 #endif /* _UAPI_LINUX_TIME_H */ 86 #endif /* _UAPI_LINUX_TIME_H */
76 87
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.