Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef _LINUX_TIME32_H
2#define _LINUX_TIME32_H
3/*
4 * These are all interfaces based on the old time_t definition
5 * that overflows in 2038 on 32-bit architectures. New code
6 * should use the replacements based on time64_t and timespec64.
7 *
8 * Any interfaces in here that become unused as we migrate
9 * code to time64_t should get removed.
10 */
11
12#include <linux/time64.h>
13#include <linux/timex.h>
14
15typedef s32 old_time32_t;
16
17struct old_timespec32 {
18 old_time32_t tv_sec;
19 s32 tv_nsec;
20};
21
22struct old_timeval32 {
23 old_time32_t tv_sec;
24 s32 tv_usec;
25};
26
27struct old_itimerspec32 {
28 struct old_timespec32 it_interval;
29 struct old_timespec32 it_value;
30};
31
32struct old_utimbuf32 {
33 old_time32_t actime;
34 old_time32_t modtime;
35};
36
37struct old_timex32 {
38 u32 modes;
39 s32 offset;
40 s32 freq;
41 s32 maxerror;
42 s32 esterror;
43 s32 status;
44 s32 constant;
45 s32 precision;
46 s32 tolerance;
47 struct old_timeval32 time;
48 s32 tick;
49 s32 ppsfreq;
50 s32 jitter;
51 s32 shift;
52 s32 stabil;
53 s32 jitcnt;
54 s32 calcnt;
55 s32 errcnt;
56 s32 stbcnt;
57 s32 tai;
58
59 s32:32; s32:32; s32:32; s32:32;
60 s32:32; s32:32; s32:32; s32:32;
61 s32:32; s32:32; s32:32;
62};
63
64extern int get_old_timespec32(struct timespec64 *, const void __user *);
65extern int put_old_timespec32(const struct timespec64 *, void __user *);
66extern int get_old_itimerspec32(struct itimerspec64 *its,
67 const struct old_itimerspec32 __user *uits);
68extern int put_old_itimerspec32(const struct itimerspec64 *its,
69 struct old_itimerspec32 __user *uits);
70struct __kernel_timex;
71int get_old_timex32(struct __kernel_timex *, const struct old_timex32 __user *);
72int put_old_timex32(struct old_timex32 __user *, const struct __kernel_timex *);
73
74/**
75 * ns_to_kernel_old_timeval - Convert nanoseconds to timeval
76 * @nsec: the nanoseconds value to be converted
77 *
78 * Returns the timeval representation of the nsec parameter.
79 */
80extern struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec);
81
82#endif