1 #ifndef _SYS_TIME_H 2 #define _SYS_TIME_H 3 #ifdef __cplusplus 4 extern "C" { 5 #endif 6 7 #include <features.h> 8 9 #include <sys/select.h> 10 11 int 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 18 struct itimerval { 19 struct timeval it_interval; 20 struct timeval it_value; 21 }; 22 23 int getitimer (int, struct itimerval *); 24 int setitimer (int, const struct itimerval *__restrict, struct itimerval *__restrict); 25 #endif 26 #ifdef __wasilibc_unmodified_upstream /* WASI libc doesn't build the legacy functions */ 27 int utimes (const char *, const struct timeval [2]); 28 #endif 29 30 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 31 struct timezone { 32 int tz_minuteswest; 33 int tz_dsttime; 34 }; 35 #ifdef __wasilibc_unmodified_upstream /* WASI libc doesn't build the legacy functions */ 36 int futimes(int, const struct timeval [2]); 37 int futimesat(int, const char *, const struct timeval [2]); 38 int lutimes(const char *, const struct timeval [2]); 39 #endif 40 #ifdef __wasilibc_unmodified_upstream /* WASI has no way to set the time */ 41 int settimeofday(const struct timeval *, const struct timezone *); 42 int 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 85