From aa4f3bde06ea1410f1835590ae025e044f2364fb Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 6 Jan 2013 02:42:58 +0100 Subject: uloop: add a clock_gettime() implementation for mac os x Signed-off-by: Felix Fietkau --- utils.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'utils.c') diff --git a/utils.c b/utils.c index 4589da8..078a8a1 100644 --- a/utils.c +++ b/utils.c @@ -52,3 +52,43 @@ void *__calloc_a(size_t len, ...) return ret; } + +#ifdef __APPLE__ +#include + +static void clock_gettime_realtime(struct timespec *tv) +{ + struct timeval _tv; + + gettimeofday(&_tv, NULL); + tv->tv_sec = _tv.tv_sec; + tv->tv_nsec = _tv.tv_usec * 1000; +} + +static void clock_gettime_monotonic(struct timespec *tv) +{ + mach_timebase_info_data_t info; + float sec; + uint64_t val; + + mach_timebase_info(&info); + + val = mach_absolute_time(); + tv->tv_nsec = (val * info.numer / info.denom) % 1000000000; + + sec = val; + sec *= info.numer; + sec /= info.denom; + sec /= 1000000000; + tv->tv_sec = sec; +} + +void clock_gettime(int type, struct timespec *tv) +{ + if (type == CLOCK_REALTIME) + return clock_gettime_realtime(tv); + else + return clock_gettime_monotonic(tv); +} + +#endif -- cgit v1.2.3