Windiws - How to create 2 processes where one fires events and the other recognizes them?

Question

Windows

Two processes are created. Process A randomly, with an interval of 1 s, activates one of two events. Process B recognizes these events and displays them on the screen as the letters X or Y. When the number of issued letters reaches 100, process B tells A that it's time to exit.
Code that, according to my logic:
Process A
#include "stdafx.h"
#include
int main(int argc, char* argv[])
{
STARTUPINFO si;
PROCESS_INFORMATIONpi;
HANDLE hEvent1 = CreateEvent(NULL,FALSE,FALSE,NULL);
HANDLE hEvent2 = CreateEvent(NULL,FALSE,FALSE,NULL);
HANDLE hEvent3 = CreateEvent(NULL,FALSE,FALSE,NULL);
ZeroMemory(&si, sizeof(STARTUPINFO));
si.cb = sizeof(STARTUPINFO);
if (!CreateProcess(L"C:\\Users\Documents\Visual Studio 2010\Projects\B\Debug\B.exe", NULL, NULL, NULL, FALSE,
CREATE_NEW_CONSOLE, NULL, NULL, &si, π))
/ / close the handles of this process
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
intn=0;
while (n<=100)
{
DWORD WaitForSingleEvent (HANDLE, DWORD dwMilliseconds);
BOOL SetEvent((hEvent1)||(hEvent2));
WaitForSingleObject(hEvent3, 0);
DWORD dwWaitResult = WaitForSingleObject(hEvent3, INFINITE);
if (dwWaitResult != WAIT_OBJECT_0)
{
return 0;
}
n++;
}
}
Process B
#include "stdafx.h"
#include
#include
int main(int argc, char* argv[])
{
HANDLE hEvent1 = OpenEvent(NULL,FALSE,NULL);
HANDLE hEvent2 = OpenEvent(NULL,FALSE,NULL);
HANDLE hEvent3 = OpenEvent(NULL,FALSE,NULL);
intk=0;
while (k<100)
{
WaitForSingleObject( hEvent1, INFINITE);
WaitForSingleObject( hEvent2, INFINITE);
if (hEvent1!=NULL)
{
std::cout<<"X";
}
if (hEvent2!=NULL)
{
std::cout<<"Y";
}
k++;
}
if (k=100)
{
SetEvent(hEvent3);
return 1;
}
}
I'm just starting to analyze this topic, but I can't even check if it works correctly. It seems that, logically, I launch a signal - I wait - I recognize it, I give it to another process, can anyone help with this question?

Answer 1

The direction is correct, but the implementation is lame.
You need to create named events (the last parameter for CreateEvent).
You can wait for one of many events using WaitForMultipleObjects - it returns WAIT_OBJECT_0+number of the first exposed event.
Go ahead.

Answer 2

Thank you very much! You can also ask such a question, here "Process A in a random order, with an interval of 1 s, activates one of two events." Is it possible to implement this with the line
BOOL SetEvent((hEvent1)||(hEvent2));
?