#include "thread.h"
#include "semaphor.h"
#include <iostream.h>
#include <stdlib.h>


Semaphore* mutex = 0;
Semaphore* sleepSem = 0;

void tick() {}


class Znak : public Thread
{
public:
    Znak(char znak, int n) : Thread(), znak(znak), n(n) {}
    virtual ~Znak() { waitToComplete(); }

    void run()
    {
        // for (long i = 0; i < 100000; i++)
        for (int i = 0; i < n; i++)
        {
            if (mutex->wait(1)) {
                cout << znak;
                mutex->signal();
            }

            // for (int j = 0; j < 10000; j++)
                // for (int k = 0; k < 10000; k++);
            Time sleepTime = 2 + rand() % 8;
            sleepSem->wait(sleepTime);
            // dispatch();
        }

        if (mutex->wait(1)) {
            cout << endl << znak << " finished" << endl;
            mutex->signal();
        }

    }

private:
    char znak;
    int n;

};


int userMain(int argc, char* argv[]) {
    mutex = new Semaphore(1);
    sleepSem = new Semaphore(0);

    Znak* a = new Znak('a', 10);
    Znak* b = new Znak('b', 15);
    Znak* c = new Znak('c', 20);

    a->start();
    b->start();
    c->start();

    delete a;
    delete b;
    delete c;

    if (mutex->wait(1)) {
        cout << endl << "userMain finished" << endl;
        mutex->signal();
    }

    delete sleepSem;
    delete mutex;

    return 0;
}