Created
July 17, 2011 16:17
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work around lack of clock_gettime in os x
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/* | |
author: jbenet | |
os x, compile with: gcc -o testo test.c | |
linux, compile with: gcc -o testo test.c -lrt | |
*/ | |
#include <time.h> | |
#include <sys/time.h> | |
#include <stdio.h> | |
#ifdef __MACH__ | |
#include <mach/clock.h> | |
#include <mach/mach.h> | |
#endif | |
void current_utc_time(struct timespec *ts) { | |
#ifdef __MACH__ // OS X does not have clock_gettime, use clock_get_time | |
clock_serv_t cclock; | |
mach_timespec_t mts; | |
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock); | |
clock_get_time(cclock, &mts); | |
mach_port_deallocate(mach_task_self(), cclock); | |
ts->tv_sec = mts.tv_sec; | |
ts->tv_nsec = mts.tv_nsec; | |
#else | |
clock_gettime(CLOCK_REALTIME, ts); | |
#endif | |
} | |
int main(int argc, char **argv) { | |
struct timespec ts; | |
current_utc_time(&ts); | |
printf("s: %lu\n", ts.tv_sec); | |
printf("ns: %lu\n", ts.tv_nsec); | |
return 0; | |
} |
thanks for sharing,appreciate it.
I need the return value in clock_get_time(..)
, how can it be done os OS X?
For details please see https://github.com/microflo/microflo/blob/master/microflo/linux.hpp#L68
Thanks for sharing. This code helps me a lot.
This very useful.
Thank you.
Hi
Nice code. Is this code under a license?
Thank you.
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Many thanks. My senior project is that much closer to completion!