| #ifndef SYSROOT_SYS_TIME_H_ |
| #define SYSROOT_SYS_TIME_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <features.h> |
| #include <sys/select.h> |
| |
| int gettimeofday(struct timeval* __restrict, void* __restrict); |
| |
| #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) |
| |
| #define ITIMER_REAL 0 |
| #define ITIMER_VIRTUAL 1 |
| #define ITIMER_PROF 2 |
| |
| struct itimerval { |
| struct timeval it_interval; |
| struct timeval it_value; |
| }; |
| |
| int getitimer(int, struct itimerval*); |
| int setitimer(int, const struct itimerval* __restrict, struct itimerval* __restrict); |
| int utimes(const char*, const struct timeval[2]); |
| |
| #endif |
| |
| #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) |
| struct timezone { |
| int tz_minuteswest; |
| int tz_dsttime; |
| }; |
| int futimes(int, const struct timeval[2]); |
| int futimesat(int, const char*, const struct timeval[2]); |
| int lutimes(const char*, const struct timeval[2]); |
| int settimeofday(const struct timeval*, const struct timezone*); |
| int adjtime(const struct timeval*, struct timeval*); |
| #define timerisset(t) ((t)->tv_sec || (t)->tv_usec) |
| #define timerclear(t) ((t)->tv_sec = (t)->tv_usec = 0) |
| #define timercmp(s, t, op) \ |
| ((s)->tv_sec == (t)->tv_sec ? (s)->tv_usec op(t)->tv_usec : (s)->tv_sec op(t)->tv_sec) |
| #define timeradd(s, t, a) \ |
| (void)((a)->tv_sec = (s)->tv_sec + (t)->tv_sec, \ |
| ((a)->tv_usec = (s)->tv_usec + (t)->tv_usec) >= 1000000 && \ |
| ((a)->tv_usec -= 1000000, (a)->tv_sec++)) |
| #define timersub(s, t, a) \ |
| (void)((a)->tv_sec = (s)->tv_sec - (t)->tv_sec, \ |
| ((a)->tv_usec = (s)->tv_usec - (t)->tv_usec) < 0 && \ |
| ((a)->tv_usec += 1000000, (a)->tv_sec--)) |
| #endif |
| |
| #if defined(_GNU_SOURCE) |
| #define TIMEVAL_TO_TIMESPEC(tv, ts) \ |
| ((ts)->tv_sec = (tv)->tv_sec, (ts)->tv_nsec = (tv)->tv_usec * 1000, (void)0) |
| #define TIMESPEC_TO_TIMEVAL(tv, ts) \ |
| ((tv)->tv_sec = (ts)->tv_sec, (tv)->tv_usec = (ts)->tv_nsec / 1000, (void)0) |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // SYSROOT_SYS_TIME_H_ |