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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include "util_time.h"
#include "util_windows.h"
#ifdef _WIN32
CCL_NAMESPACE_BEGIN
double time_dt()
{
__int64 frequency, counter;
QueryPerformanceFrequency((LARGE_INTEGER*)&frequency);
QueryPerformanceCounter((LARGE_INTEGER*)&counter);
return (double)counter/(double)frequency;
}
void time_sleep(double t)
{
Sleep((int)(t*1000));
}
CCL_NAMESPACE_END
#else
#include <sys/time.h>
#include <unistd.h>
CCL_NAMESPACE_BEGIN
double time_dt()
{
struct timeval now;
gettimeofday(&now, NULL);
return now.tv_sec + now.tv_usec*1e-6;
}
/* sleep t seconds */
void time_sleep(double t)
{
/* get whole seconds */
int s = (int)t;
if(s >= 1) {
sleep(s);
/* adjust parameter to remove whole seconds */
t -= s;
}
/* get microseconds */
int us = (int)(t * 1e6);
if(us > 0)
usleep(us);
}
CCL_NAMESPACE_END
#endif
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