// ossp-demo-20160928.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <process.h>
#include <windows.h>

void __cdecl my_thread(void *);
CRITICAL_SECTION CriticalSection;
int queue = 0;

int _tmain(int argc, _TCHAR* argv[])
{
	char a = 'A', b = 'B', c = 'C', d = 'D', e = 'E';
	HANDLE handles[5];

	// Initialize the critical section one time only.
	if (!InitializeCriticalSectionAndSpinCount(&CriticalSection,
		0x00000400))
		return 0;

	//запустити my_thread('A'); 
	handles[0]=  (HANDLE)_beginthread(my_thread, 0, &a);
	//запустити my_thread('B'); 
	handles[1] = (HANDLE)_beginthread(my_thread, 0, &b);
	//запустити my_thread('C');
	handles[2] = (HANDLE)_beginthread(my_thread, 0, &c);
	//запустити my_thread('D'); 
	handles[3] = (HANDLE)_beginthread(my_thread, 0, &d);
	//запустити my_thread('E'); 
	handles[4] = (HANDLE)_beginthread(my_thread, 0, &e);

	WaitForMultipleObjects(5, handles, TRUE, INFINITE);

	// Release resources used by the critical section object.
	DeleteCriticalSection(&CriticalSection);
	return 0;
}

void __cdecl my_thread(void *arg)
{
	char *ch = (char *)arg;
	for (size_t i = 0; i < 10;)
	{
		// Request ownership of the critical section.
		EnterCriticalSection(&CriticalSection);
		if (queue == (*ch - 65))
		{
			putchar(*ch);
			queue = (queue + 1) % 5;
			i++;
			if (*ch == 'E')
				putchar('\n');
		}
		// Release ownership of the critical section.
		LeaveCriticalSection(&CriticalSection);
		Sleep(200);
	}
}