C / C++ / MFC

<br />
// assume this is what is really in your post : <br />
typedef std::list < CNode* > SEC_MSG_DATA;<br />
...<br />
<br />
// this will give you access to the first element in the list.<br />
SEC_MSG_DATA::iterator it = node.begin();<br />
CNode* pNode = *it;<br />

<br />
SEC_MSG_DATA::iterator it = node.begin();<br />
while ( it != node.end() )<br />
{<br />
  CNode* pNode = *it;<br />
<br />
  ++it;<br />
}<br />

ja1001 wrote:

Is there any way to keep the Heap (a few MB) in the physical memory?

"Take only what you need and leave the land as you found it." - Native American Proverb

ja1001 wrote:

It is a very time critical application

void main(int argc, char *argv[])<br />
{<br />
    DWORD  dwMin, dwMax;<br />
    HANDLE hProcess;<br />
    _MEMORY_BASIC_INFORMATION MemInfo; <br />
<br />
    //Creating the heap<br />
    HANDLE hHeap = HeapCreate(NULL, 1024 * 1024 *20, 1024 * 1024 * 30);<br />
	<br />
	hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, GetCurrentProcessId());<br />
    if (hProcess == INVALID_HANDLE_VALUE)<br />
    {<br />
        printf( "OpenProcess failed (%d)\n", GetLastError() );<br />
        return;<br />
    }<br />
    if (SetProcessWorkingSetSize(GetCurrentProcess(), 1024 * 1024 *20, 1024 * 1024 *30) != 0)<br />
    {<br />
	printf("Process Size Set!\n");<br />
    }<br />
    else<br />
    {<br />
	printf("Error in seting the Process Size!\n");<br />
    }<br />
    printf("%d\n",VirtualQueryEx(hProcess, hHeap, &MemInfo , 1024 * 1024 *20));<br />
    printf("\n MemoryRegionSize: %d\n", MemInfo.RegionSize);<br />
	<br />
    if (VirtualLock(MemInfo.BaseAddress, MemInfo.RegionSize) != 0)<br />
    {<br />
	printf("Virtual Lock Success!!!\n");<br />
    }<br />
    else<br />
    {<br />
	printf("Virtual Lock Failed!!!\n");<br />
    }	<br />
    CloseHandle(hProcess);<br />
}