/*BEGIN_LEGAL 
Intel Open Source License 

Copyright (c) 2002-2005 Intel Corporation 
All rights reserved. 
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modification, are permitted provided that the following conditions are
met:

Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.  Redistributions
in binary form must reproduce the above copyright notice, this list of
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the Intel Corporation nor the names of its contributors may be used to
endorse or promote products derived from this software without
specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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END_LEGAL */
#define _WIN32_WINNT  0x0400 

#include <Windows.h>
#include <stdio.h>

int beenHere = 0;

// perform recursive APC - 
// add APC to the thread queue and go to alertable sleep 
VOID CALLBACK My_APCProc(ULONG_PTR dwParam)
{
    if(dwParam == 0)
    {
        return;
    }
    beenHere++;
    QueueUserAPC(My_APCProc, GetCurrentThread() , dwParam - 1);
    SleepEx(INFINITE , true);
}

int QueueApc()
{ 
    int recursiveDepth = 10;
    QueueUserAPC(My_APCProc, GetCurrentThread() , recursiveDepth);
    SleepEx(INFINITE , true);
    printf("Number of visits in My_APCProc = %d \n" ,beenHere);
    fflush(stderr);
    return 0;
}

int main()
{
    QueueApc();
    return 0;
}