diff options
| -rw-r--r-- | Libraries/LibC/sys/time.h | 110 |
1 files changed, 87 insertions, 23 deletions
diff --git a/Libraries/LibC/sys/time.h b/Libraries/LibC/sys/time.h index fa84efb2b2..f660c2b24a 100644 --- a/Libraries/LibC/sys/time.h +++ b/Libraries/LibC/sys/time.h @@ -28,32 +28,10 @@ #include <sys/cdefs.h> #include <sys/types.h> +#include <time.h> __BEGIN_DECLS -#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 -#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) -#define timercmp(tvp, uvp, cmp) \ - (((tvp)->tv_sec == (uvp)->tv_sec) ? ((tvp)->tv_usec cmp(uvp)->tv_usec) : ((tvp)->tv_sec cmp(uvp)->tv_sec)) -#define timeradd(a, b, out) \ - do { \ - (out)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ - (out)->tv_usec = (a)->tv_usec + (b)->tv_usec; \ - if ((out)->tv_usec >= 1000000) { \ - (out)->tv_sec++; \ - (out)->tv_usec -= 1000000; \ - } \ - } while (0) -#define timersub(a, b, out) \ - do { \ - (out)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ - (out)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ - if ((out)->tv_usec < 0) { \ - (out)->tv_sec--; \ - (out)->tv_usec += 1000000; \ - } \ - } while (0) - struct timeval { time_t tv_sec; suseconds_t tv_usec; @@ -66,4 +44,90 @@ struct timezone { int gettimeofday(struct timeval* __restrict__, void* __restrict__) __attribute__((nonnull(1))); +static inline void timeradd(const struct timeval* a, const struct timeval* b, struct timeval* out) +{ + out->tv_sec = a->tv_sec + b->tv_sec; + out->tv_usec = a->tv_usec + b->tv_usec; + if (out->tv_usec >= 1000 * 1000) { + out->tv_sec++; + out->tv_usec -= 1000 * 1000; + } +} + +static inline void timersub(const struct timeval* a, const struct timeval* b, struct timeval* out) +{ + out->tv_sec = a->tv_sec - b->tv_sec; + out->tv_usec = a->tv_usec - b->tv_usec; + if (out->tv_usec < 0) { + out->tv_sec--; + out->tv_usec += 1000 * 1000; + } +} + +static inline void timerclear(struct timeval* out) +{ + out->tv_sec = out->tv_usec = 0; +} + +static inline int timerisset(const struct timeval* tv) +{ + return tv->tv_sec || tv->tv_usec; +} + +#define timeradd timeradd +#define timersub timersub +#define timerclear timerclear +#define timerisset timerisset +#define timercmp(tvp, uvp, cmp) \ + (((tvp)->tv_sec == (uvp)->tv_sec) ? ((tvp)->tv_usec cmp(uvp)->tv_usec) : ((tvp)->tv_sec cmp(uvp)->tv_sec)) + +static inline void timespecadd(const struct timespec* a, const struct timespec* b, struct timespec* out) +{ + out->tv_sec = a->tv_sec + b->tv_sec; + out->tv_nsec = a->tv_nsec + b->tv_nsec; + if (out->tv_nsec >= 1000 * 1000 * 1000) { + out->tv_sec++; + out->tv_nsec -= 1000 * 1000 * 1000; + } +} + +static inline void timespecsub(const struct timespec* a, const struct timespec* b, struct timespec* out) +{ + out->tv_sec = a->tv_sec - b->tv_sec; + out->tv_nsec = a->tv_nsec - b->tv_nsec; + if (out->tv_nsec < 0) { + out->tv_sec--; + out->tv_nsec += 1000 * 1000 * 1000; + } +} + +static inline void timespecclear(struct timespec* out) +{ + out->tv_sec = out->tv_nsec = 0; +} + +static inline int timespecisset(const struct timespec* ts) +{ + return ts->tv_sec || ts->tv_nsec; +} + +static inline void TIMEVAL_TO_TIMESPEC(const struct timeval* tv, struct timespec* ts) +{ + ts->tv_sec = tv->tv_sec; + ts->tv_nsec = tv->tv_usec * 1000; +} + +static inline void TIMESPEC_TO_TIMEVAL(struct timeval* tv, const struct timespec* ts) +{ + tv->tv_sec = ts->tv_sec; + tv->tv_usec = ts->tv_nsec / 1000; +} + +#define timespecadd timespecadd +#define timespecsub timespecsub +#define timespecclear timespecclear +#define timespecisset timespecisset +#define timespeccmp(ts, us, cmp) \ + (((ts)->tv_sec == (us)->tv_sec) ? ((ts)->vf_nsec cmp(us)->tv_nsec) : ((ts)->tv_sec cmp(us)->tv_sec)) + __END_DECLS |