vm_time_win32.c

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#include "vm_time.h"

#if defined(_WIN32) || defined(_WIN64) || defined(_WIN32_WCE)


/* yield the execution of current thread for msec miliseconds */
void vm_time_sleep(unsigned int msec)
{
    Sleep(msec);

} /* void vm_time_sleep(unsigned int msec)  */

/* obtain the clock tick of an uninterrupted master clock */
vm_tick vm_time_get_tick(void)
{
    LARGE_INTEGER t1;

    QueryPerformanceCounter(&t1);
    return t1.QuadPart;

} /* vm_tick vm_time_get_tick(void) */

/* obtain the clock resolution */
vm_tick vm_time_get_frequency(void)
{
    LARGE_INTEGER t1;

    QueryPerformanceFrequency(&t1);
    return t1.QuadPart;

} /* vm_tick vm_time_get_frequency(void) */

#endif /* defined(_WIN32) || defined(_WIN64) || defined(_WIN32_WCE) */