FreeRDP/libfreerdp-utils/sleep.c

50 lines
1.1 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Sleep Utils
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 <freerdp/utils/sleep.h>
#include <time.h>
#ifndef _WIN32
#define _XOPEN_SOURCE 500
#include <unistd.h>
#else
#include <windows.h>
#endif
void freerdp_usleep(uint32 useconds)
{
#ifndef _WIN32
usleep(useconds);
#else
uint64 t1;
uint64 t2;
uint64 freq;
QueryPerformanceCounter((LARGE_INTEGER*) &t1);
QueryPerformanceCounter((LARGE_INTEGER*) &freq);
do
{
QueryPerformanceCounter((LARGE_INTEGER*) &t2);
}
while((t2 - t1) < useconds);
#endif
}