1#ifndef _SYS_TIME_H
2#define _SYS_TIME_H
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#include <sys/select.h>
10
11int gettimeofday (struct timeval *__restrict, void *__restrict);
12
13#define ITIMER_REAL 0
14#define ITIMER_VIRTUAL 1
15#define ITIMER_PROF 2
16
17struct itimerval {
18 struct timeval it_interval;
19 struct timeval it_value;
20};
21
22int getitimer (int, struct itimerval *);
23int setitimer (int, const struct itimerval *__restrict, struct itimerval *__restrict);
24int utimes (const char *, const struct timeval [2]);
25
26#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
27struct timezone {
28 int tz_minuteswest;
29 int tz_dsttime;
30};
31int futimes(int, const struct timeval [2]);
32int futimesat(int, const char *, const struct timeval [2]);
33int lutimes(const char *, const struct timeval [2]);
34int settimeofday(const struct timeval *, const struct timezone *);
35int adjtime (const struct timeval *, struct timeval *);
36#define timerisset(t) ((t)->tv_sec || (t)->tv_usec)
37#define timerclear(t) ((t)->tv_sec = (t)->tv_usec = 0)
38#define timercmp(s,t,op) ((s)->tv_sec == (t)->tv_sec ? \
39 (s)->tv_usec op (t)->tv_usec : (s)->tv_sec op (t)->tv_sec)
40#define timeradd(s,t,a) (void) ( (a)->tv_sec = (s)->tv_sec + (t)->tv_sec, \
41 ((a)->tv_usec = (s)->tv_usec + (t)->tv_usec) >= 1000000 && \
42 ((a)->tv_usec -= 1000000, (a)->tv_sec++) )
43#define timersub(s,t,a) (void) ( (a)->tv_sec = (s)->tv_sec - (t)->tv_sec, \
44 ((a)->tv_usec = (s)->tv_usec - (t)->tv_usec) < 0 && \
45 ((a)->tv_usec += 1000000, (a)->tv_sec--) )
46#endif
47
48#if defined(_GNU_SOURCE)
49#define TIMEVAL_TO_TIMESPEC(tv, ts) ( \
50 (ts)->tv_sec = (tv)->tv_sec, \
51 (ts)->tv_nsec = (tv)->tv_usec * 1000, \
52 (void)0 )
53#define TIMESPEC_TO_TIMEVAL(tv, ts) ( \
54 (tv)->tv_sec = (ts)->tv_sec, \
55 (tv)->tv_usec = (ts)->tv_nsec / 1000, \
56 (void)0 )
57#endif
58
59#if _REDIR_TIME64
60__REDIR(gettimeofday, __gettimeofday_time64);
61__REDIR(getitimer, __getitimer_time64);
62__REDIR(setitimer, __setitimer_time64);
63__REDIR(utimes, __utimes_time64);
64#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
65__REDIR(futimes, __futimes_time64);
66__REDIR(futimesat, __futimesat_time64);
67__REDIR(lutimes, __lutimes_time64);
68__REDIR(settimeofday, __settimeofday_time64);
69__REDIR(adjtime, __adjtime64);
70#endif
71#endif
72
73#ifdef __cplusplus
74}
75#endif
76#endif