github.com/afumu/libc@v0.0.6/musl/include/sys/time.h (about)

     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  #define ITIMER_REAL    0
    14  #define ITIMER_VIRTUAL 1
    15  #define ITIMER_PROF    2
    16  
    17  struct itimerval {
    18  	struct timeval it_interval;
    19  	struct timeval it_value;
    20  };
    21  
    22  int getitimer (int, struct itimerval *);
    23  int setitimer (int, const struct itimerval *__restrict, struct itimerval *__restrict);
    24  int utimes (const char *, const struct timeval [2]);
    25  
    26  #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
    27  struct timezone {
    28  	int tz_minuteswest;
    29  	int tz_dsttime;
    30  };
    31  int futimes(int, const struct timeval [2]);
    32  int futimesat(int, const char *, const struct timeval [2]);
    33  int lutimes(const char *, const struct timeval [2]);
    34  int settimeofday(const struct timeval *, const struct timezone *);
    35  int 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