Files
zig/lib/libc/musl/src/time/clock.c
Andrew Kelley 49d1a4c562 move lib dirs to lib subdir
also start prefering NtDll API. so far:
 * NtQueryInformationFile
 * NtClose

adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
2019-07-15 17:54:50 -04:00

17 lines
292 B
C
Vendored

#include <time.h>
#include <limits.h>
clock_t clock()
{
struct timespec ts;
if (__clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts))
return -1;
if (ts.tv_sec > LONG_MAX/1000000
|| ts.tv_nsec/1000 > LONG_MAX-1000000*ts.tv_sec)
return -1;
return ts.tv_sec*1000000 + ts.tv_nsec/1000;
}