Контрольная работа: Особливості багатозадачності в середовищі Windows

#include <stdio.h>

#include <conio.h>

#define HOUR (8) // the time of alarm

#define RINGS (10) // number of rings

HANDLE hTerminateEvent;

// callback – timer function

VOID CALLBACK TimerAPCProc(LPVOID, DWORD, DWORD)

{

Beep(1000,500); // ringing!

};

// thread function

unsigned __stdcall ThreadFunc(void *)

{

HANDLE hDayTimer = CreateWaitableTimer(NULL,FALSE,NULL);

HANDLE hAlarmTimer = CreateWaitableTimer(NULL,FALSE,NULL);

HANDLE h[2]; // we will wait for these objects

h[0] = hTerminateEvent; h[1] = hDayTimer;

int iRingCount=0; // number "rings"

int iFlag;

DWORD dw;

// we should convert the time into FILETIME format

// timer don’t understand other formats

LARGE_INTEGER liDueTime, liAllDay;

liDueTime.QuadPart=0;

// day in 100-nanosecond intervals = 10000000 * 60 * 60 * 24 = 0xC92A69C000

liAllDay.QuadPart = 0xC9;

liAllDay.QuadPart=liAllDay.QuadPart << 32;

liAllDay.QuadPart |= 0x2A69C000;

SYSTEMTIME st;