Poco::Thread thread;
thread.start(runnable);
thread.join();

// reuse error
thread.start(runable);
thread.join(); // Error !!!

Poco::Thread thread;
thread.interrupt();

// way-1:
bool ret = Poco::Thread::current()->isInterrupted();

// way-2:
Poco::Thread::current()->checkInterrupted(); // throw Poco::ThreadInterruptedException