MSVC: Provide an implementation of gettimeofday()
parent
f1186acfd4
commit
9e3045c7f5
|
@ -26,9 +26,39 @@
|
|||
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/time.h>
|
||||
|
||||
#include "bench.h"
|
||||
#include "../src/utils.h"
|
||||
|
||||
#ifndef _MSC_VER
|
||||
#include <sys/time.h>
|
||||
#else
|
||||
#include <windows.h>
|
||||
#include <stdint.h>
|
||||
|
||||
struct timeval {
|
||||
long tv_sec, tv_usec;
|
||||
};
|
||||
|
||||
static int
|
||||
gettimeofday(struct timeval *tv, void *unused)
|
||||
{
|
||||
static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL);
|
||||
|
||||
SYSTEMTIME system_time;
|
||||
FILETIME file_time;
|
||||
uint64_t t;
|
||||
|
||||
GetSystemTime(&system_time);
|
||||
SystemTimeToFileTime(&system_time, &file_time);
|
||||
t = (uint64_t) file_time.dwLowDateTime;
|
||||
t += ((uint64_t) file_time.dwHighDateTime) << 32;
|
||||
|
||||
tv->tv_sec = (long) ((t - EPOCH) / 10000000L);
|
||||
tv->tv_usec = (long) (system_time.wMilliseconds * 1000);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
void
|
||||
bench_start(struct bench *bench)
|
||||
|
|
Loading…
Reference in New Issue