OnJava8-Examples/concurrency/Chopstick.java
2015-12-15 11:47:04 -08:00

20 lines
505 B
Java

// concurrency/Chopstick.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// Chopsticks for dining philosophers.
public class Chopstick {
private boolean taken = false;
public synchronized
void take() throws InterruptedException {
while(taken)
wait();
taken = true;
}
public synchronized void drop() {
taken = false;
notifyAll();
}
}