#include <iostream>

#include <windows.h>

#include <process.h>

using namespace std;

UINT WINAPI ZNAK(LPVOID);

UINT WINAPI ZNAK1(LPVOID);

struct PARM {

int n; char zn;

};

int main() // Watek6b. Oczekiwanie na zakończenie pracy 2-ch wątków

{

HANDLE pWatek[2] = {NULL, NULL}, hWatekS = NULL;

UINT ID_A = 0, ID_B = 0, ID_S = 0;

PARM parm1 = {20, 'A'}, parm2 = {100, 'B'}, parm3 = {30, 'S'};

// uruchomienie 2-ch watkow potomnych

pWatek[0] = (HANDLE)_beginthreadex(NULL, 0, ZNAK, &parm1, 0, &ID_A);

pWatek[1] = (HANDLE)_beginthreadex(NULL, 0, ZNAK, &parm2, 0, &ID_B);

// czekanie az jeden z watkow zawartych w tablicy pWatek zakoncza dzialanie

DWORD ind = WaitForMultipleObjects(2, pWatek, FALSE, INFINITE);

cout << "\n zakonczyl watek idn=" << ind << endl;

hWatekS = (HANDLE)_beginthreadex(NULL, 0, ZNAK, &parm3, 0, &ID_S);

for(int i = 0; i < 30; i++) { // wypisuje 30 razy znak z parametru co 50 ms

cout << "G ";

cout.flush(); Sleep(50);

}

for (int k=0; k < 2; k++) CloseHandle(pWatek[k]); CloseHandle(hWatekS);

cout << "Koniec - wcisnij ENTER"; cin.get();

return 0;

}

UINT WINAPI ZNAK(LPVOID par)

{

PARM *parm = (PARM*)par;

int M = parm->n;

char zn = parm->zn, zn1 = '1';

HANDLE hWatek1; UINT ID1 = 0;

hWatek1 = (HANDLE)_beginthreadex(NULL, 0, ZNAK1, &zn1, 0, &ID1);

WaitForSingleObject(hWatek1, INFINITE);

for(int i = 0; i < 30; i++) { // wypisuje 30 razy znak co M ms

cout << zn << ' ';

cout.flush();

Sleep(M);

} cout << endl;

_endthreadex(0);

}

UINT WINAPI ZNAK1(LPVOID zn)

{

for(int i = 0; i < 30; i++) { // wypisuje 30 razy znak co 22 ms

cout << *((char*)zn) << ' ';

cout.flush();

Sleep(22);

} cout << endl;

_endthreadex(0);

}