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#ifdef __wasilibc_unmodified_upstream /* WASI has no getitimer */
14#define ITIMER_REAL    0
15#define ITIMER_VIRTUAL 1
16#define ITIMER_PROF    2
17
18struct itimerval {
19	struct timeval it_interval;
20	struct timeval it_value;
21};
22
23int getitimer (int, struct itimerval *);
24int setitimer (int, const struct itimerval *__restrict, struct itimerval *__restrict);
25#endif
26int utimes (const char *, const struct timeval [2]);
27
28#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
29struct timezone {
30	int tz_minuteswest;
31	int tz_dsttime;
32};
33#ifdef __wasilibc_unmodified_upstream /* WASI libc doesn't build the legacy functions */
34int futimes(int, const struct timeval [2]);
35#endif
36int futimesat(int, const char *, const struct timeval [2]);
37#ifdef __wasilibc_unmodified_upstream /* WASI libc doesn't build the legacy functions */
38int lutimes(const char *, const struct timeval [2]);
39#endif
40#ifdef __wasilibc_unmodified_upstream /* WASI has no way to set the time */
41int settimeofday(const struct timeval *, const struct timezone *);
42int adjtime (const struct timeval *, struct timeval *);
43#endif
44#define timerisset(t) ((t)->tv_sec || (t)->tv_usec)
45#define timerclear(t) ((t)->tv_sec = (t)->tv_usec = 0)
46#define timercmp(s,t,op) ((s)->tv_sec == (t)->tv_sec ? \
47	(s)->tv_usec op (t)->tv_usec : (s)->tv_sec op (t)->tv_sec)
48#define timeradd(s,t,a) (void) ( (a)->tv_sec = (s)->tv_sec + (t)->tv_sec, \
49	((a)->tv_usec = (s)->tv_usec + (t)->tv_usec) >= 1000000 && \
50	((a)->tv_usec -= 1000000, (a)->tv_sec++) )
51#define timersub(s,t,a) (void) ( (a)->tv_sec = (s)->tv_sec - (t)->tv_sec, \
52	((a)->tv_usec = (s)->tv_usec - (t)->tv_usec) < 0 && \
53	((a)->tv_usec += 1000000, (a)->tv_sec--) )
54#endif
55
56#if defined(_GNU_SOURCE)
57#define TIMEVAL_TO_TIMESPEC(tv, ts) ( \
58	(ts)->tv_sec = (tv)->tv_sec, \
59	(ts)->tv_nsec = (tv)->tv_usec * 1000, \
60	(void)0 )
61#define TIMESPEC_TO_TIMEVAL(tv, ts) ( \
62	(tv)->tv_sec = (ts)->tv_sec, \
63	(tv)->tv_usec = (ts)->tv_nsec / 1000, \
64	(void)0 )
65#endif
66
67#if _REDIR_TIME64
68__REDIR(gettimeofday, __gettimeofday_time64);
69__REDIR(getitimer, __getitimer_time64);
70__REDIR(setitimer, __setitimer_time64);
71__REDIR(utimes, __utimes_time64);
72#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
73__REDIR(futimes, __futimes_time64);
74__REDIR(futimesat, __futimesat_time64);
75__REDIR(lutimes, __lutimes_time64);
76__REDIR(settimeofday, __settimeofday_time64);
77__REDIR(adjtime, __adjtime64);
78#endif
79#endif
80
81#ifdef __cplusplus
82}
83#endif
84#endif