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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: InterlockedExchangePointer
**
** Purpose: Positive test the InterlockedExchangePointer API.
** Call InterlockedExchangePointer to exchange a pair of
** value
**
**
**
**============================================================*/
#include <palsuite.h>
int __cdecl main(int argc, char *argv[])
{
int err;
int i1 = 10;
int i2 = 20;
int *pOldValue = &i1;
int *pNewValue = &i2;
PVOID pReturnValue;
/*Initialize the PAL environment*/
err = PAL_Initialize(argc, argv);
if(0 != err)
{
return FAIL;
}
/*
Testing
=======
*/
pReturnValue = InterlockedExchangePointer((PVOID)&pOldValue,
(PVOID)pNewValue);
/*check the returned value*/
if(*(int *)pReturnValue != i1)
{
Fail("\nFailed to call InterlockedExchangePointer API, "
"return pointer does not point to the origional value\n");
}
/*check the exchanged value*/
if(*pOldValue != *pNewValue)
{
Fail("\nFailed to call InterlockedExchangePointer API, "
"exchanged value is not right\n");
}
/*
Clean Up
*/
PAL_Terminate();
return PASS;
}
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