Sample Applications - Real-Time Rendering: Computer Graphics with Control Engineering - page 128

#ifdef NETWORK_CONTROL
//Since rendering application is C++, and the system is SISO/MISO,
// there is only one data channel to send back to controller, i.e. y.
//Note data type and container size.
ds.data[0] = 999; //Initialization value
ds.data[1] = 999;

//Clear receive buffer
dr.data[0] = 999;
dr.data[1] = 999;

for(int i = 0; i<MAX_THREADS; i++)
{
//Allocate memory for thread data.
pDataArray[i] = (PMYDATA) HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY, sizeof(MYDATA));

if(pDataArray[i] = = NULL)
{
//If the array allocation fails, the system is out of memory
//so there is no point in trying to print an error message.
//Just terminate execution.
ExitProcess(2);
}

//0 - Send, 1 - Receive
if (i = = 0)
{
hThreadArray[i] = CreateThread(
NULL, //default security attributes
0, //use default stack size
SendDataThreadFunction, //thread function name
pDataArray[i], //argument to thread function

0, //use default creation flags

&dwThreadIdArray[i]); //returns the thread identifier

}

if (i = = 1)
{
hThreadArray[1] = CreateThread(
NULL, //default security attributes
0, //use default stack size
ReceiveDataThreadFunction, //thread function name
pDataArray[1],

//argument to thread function

0, //use default creation flags

&dwThreadIdArray[1]); //returns the thread identifier

}

//Check the return value for success.
//If CreateThread fails, terminate execution.
//This will automatically clean up threads and memory.

if (hThreadArray[i] = = NULL)
{
printf(“Error creating thread...!\n”);
ExitProcess(3);
}