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
15 #include <vdso/time32.h>
16
17 struct old_itimerspec32 {
18 struct old_timespec32 it_interval;
19 struct old_timespec32 it_value;
20 };
21
22 struct old_utimbuf32 {
23 old_time32_t actime;
24 old_time32_t modtime;
25 };
26
27 struct old_timex32 {
28 u32 modes;
29 s32 offset;
30 s32 freq;
31 s32 maxerror;
32 s32 esterror;
33 s32 status;
34 s32 constant;
35 s32 precision;
36 s32 tolerance;
37 struct old_timeval32 time;
38 s32 tick;
39 s32 ppsfreq;
40 s32 jitter;
41 s32 shift;
42 s32 stabil;
43 s32 jitcnt;
44 s32 calcnt;
45 s32 errcnt;
46 s32 stbcnt;
47 s32 tai;
48
49 s32:32; s32:32; s32:32; s32:32;
50 s32:32; s32:32; s32:32; s32:32;
51 s32:32; s32:32; s32:32;
52 };
53
54 extern int get_old_timespec32(struct timespec64 *, const void __user *);
55 extern int put_old_timespec32(const struct timespec64 *, void __user *);
56 extern int get_old_itimerspec32(struct itimerspec64 *its,
57 const struct old_itimerspec32 __user *uits);
58 extern int put_old_itimerspec32(const struct itimerspec64 *its,
59 struct old_itimerspec32 __user *uits);
60 struct __kernel_timex;
61 int get_old_timex32(struct __kernel_timex *, const struct old_timex32 __user *);
62 int put_old_timex32(struct old_timex32 __user *, const struct __kernel_timex *);
63
64 /**
65 * ns_to_kernel_old_timeval - Convert nanoseconds to timeval
66 * @nsec: the nanoseconds value to be converted
67 *
68 * Returns the timeval representation of the nsec parameter.
69 */
70 extern struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec);
71
72 #endif
73
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