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1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
---|---|
2 | #ifndef _LINUX_TIME_H |
3 | #define _LINUX_TIME_H |
4 | |
5 | #include <linux/types.h> |
6 | |
7 | |
8 | #ifndef _STRUCT_TIMESPEC |
9 | #define _STRUCT_TIMESPEC |
10 | struct timespec { |
11 | __kernel_time_t tv_sec; /* seconds */ |
12 | long tv_nsec; /* nanoseconds */ |
13 | }; |
14 | #endif |
15 | |
16 | struct timeval { |
17 | __kernel_time_t tv_sec; /* seconds */ |
18 | __kernel_suseconds_t tv_usec; /* microseconds */ |
19 | }; |
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 | |
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 | }; |
56 | |
57 | /* |
58 | * The IDs of the various system clocks (for POSIX.1b interval timers): |
59 | */ |
60 | #define CLOCK_REALTIME 0 |
61 | #define CLOCK_MONOTONIC 1 |
62 | #define CLOCK_PROCESS_CPUTIME_ID 2 |
63 | #define CLOCK_THREAD_CPUTIME_ID 3 |
64 | #define CLOCK_MONOTONIC_RAW 4 |
65 | #define CLOCK_REALTIME_COARSE 5 |
66 | #define CLOCK_MONOTONIC_COARSE 6 |
67 | #define CLOCK_BOOTTIME 7 |
68 | #define CLOCK_REALTIME_ALARM 8 |
69 | #define CLOCK_BOOTTIME_ALARM 9 |
70 | /* |
71 | * The driver implementing this got removed. The clock ID is kept as a |
72 | * place holder. Do not reuse! |
73 | */ |
74 | #define CLOCK_SGI_CYCLE 10 |
75 | #define CLOCK_TAI 11 |
76 | |
77 | #define MAX_CLOCKS 16 |
78 | #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC) |
79 | #define CLOCKS_MONO CLOCK_MONOTONIC |
80 | |
81 | /* |
82 | * The various flags for setting POSIX.1b interval timers: |
83 | */ |
84 | #define TIMER_ABSTIME 0x01 |
85 | |
86 | #endif /* _LINUX_TIME_H */ |
87 |
Warning: That file was not part of the compilation database. It may have many parsing errors.