// Sistemas Operacionais
// Cássio Pinheiro
// Sincronizando Tarefas com Flag

#include <iostream>
#include <thread>

using namespace std;

bool saida = false;

void thr1( void ) {
    cout << "Iniciando 1" << endl;
    while( ! saida );
    cout << "Fim 1" << endl;
}

void thr2( void ) {
    cout << "Iniciando 2" << endl;
    cout << "Fim 2" << endl;
    this_thread::sleep_for( chrono::milliseconds( 2000 )); 
    saida = true;
}

int main() {
    cout << "Main ID " << this_thread::get_id() << endl;
    thread t1( thr1 );
    thread t2( thr2 );
    t1.join();
    t2.join();
    return( 0 );
}