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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
** Source:
**
** Source : test1.c
**
** Purpose: Test for GetThreadTimes() function
**
**
**=========================================================*/
#include <palsuite.h>
int __cdecl main(int argc, char *argv[]) {
int ret = FAIL;
//Test is failing unreliably, so for now we always return pass.
if (TRUE){
ret = PASS;
goto EXIT;
}
FILETIME kernelTime1, userTime1, kernelTime2, userTime2;
/* Delta = .01 sec */
LONG64 Actual, Expected, Delta = 850000000;
Actual = 0;
Expected = 0;
const ULONG64 MSEC_TO_NSEC = 1000000;
/*
* Initialize the PAL and return FAILURE if this fails
*/
if(0 != (PAL_Initialize(argc, argv)))
{
return FAIL;
}
HANDLE cThread = GetCurrentThread();
int i;
/* Take 2000 tiny measurements */
for (i = 0; i < 2000; i++){
ULONG64 Time1, Time2;
Sleep(1);
/* Grab a FirstCount, then loop for a bit to make the clock increase */
if (!GetThreadTimes(cThread, NULL, NULL, &kernelTime1, &userTime1))
{
Fail("ERROR: GetThreadTimes returned failure.\n");
}
LONG64 x, Init;
/* Init is in milliseconds, so we will convert later */
Init = (ULONG64)GetTickCount();
/* Spin for < 1 Quantum so we don't get interrupted */
x = Init + 3;
volatile int counter;
do {
for (counter = 0; counter < 100000; counter++)
{
// spin to consume CPU time
}
} while (x > GetTickCount());
Expected += (GetTickCount() - Init) * MSEC_TO_NSEC;
/* Get a second count */
if (!GetThreadTimes(cThread, NULL, NULL, &kernelTime2, &userTime2))
{
Fail("ERROR: GetThreadTimes returned failure.\n");
}
Time1 = ((ULONG64)kernelTime1.dwHighDateTime << 32);
Time1 += (ULONG64)kernelTime1.dwLowDateTime;
Time1 += ((ULONG64)userTime1.dwHighDateTime << 32);
Time1 += (ULONG64)userTime1.dwLowDateTime;
Time2 = ((ULONG64)kernelTime2.dwHighDateTime << 32);
Time2 += (ULONG64)kernelTime2.dwLowDateTime;
Time2 += ((ULONG64)userTime2.dwHighDateTime << 32);
Time2 += (ULONG64)userTime2.dwLowDateTime;
Actual += (Time2 - Time1) * 100;
}
if(labs(Expected - Actual) > Delta)
{
Fail("ERROR: The measured time (%llu millisecs) was not within Delta %llu "
"of the expected time (%llu millisecs).\n",
(Actual / MSEC_TO_NSEC), (Delta / MSEC_TO_NSEC), (Expected / MSEC_TO_NSEC));
}
//printf("%llu, %llu\n", Expected, Actual);
PAL_Terminate();
ret = PASS;
EXIT:
return ret;
}
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