timefuncs.c
// This file is a part of Julia. License is MIT: https://julialang.org/license
#include <assert.h>
#include "dtypes.h"
#if defined(_OS_WINDOWS_)
#include <sys/timeb.h>
#else
#include <sys/time.h>
#include <sys/select.h>
#endif
#include "timefuncs.h"
#ifdef __cplusplus
extern "C" {
#endif
JL_DLLEXPORT int jl_gettimeofday(struct jl_timeval *jtv)
{
#if defined(_OS_WINDOWS_)
struct __timeb64 tb;
errno_t code = _ftime64_s(&tb);
jtv->sec = tb.time;
jtv->usec = tb.millitm * 1000;
#else
struct timeval tv;
int code = gettimeofday(&tv, NULL);
jtv->sec = tv.tv_sec;
jtv->usec = tv.tv_usec;
#endif
return code;
}
JL_DLLEXPORT double jl_clock_now(void)
{
struct jl_timeval now;
jl_gettimeofday(&now);
return now.sec + now.usec * 1e-6;
}
void sleep_ms(int ms)
{
if (ms == 0)
return;
#if defined(_OS_WINDOWS_)
Sleep(ms);
#else
struct timeval timeout;
timeout.tv_sec = ms / 1000;
timeout.tv_usec = (ms % 1000) * 1000;
select(0, NULL, NULL, NULL, &timeout);
#endif
}
#ifdef __cplusplus
}
#endif