Basic HTML version of Foils prepared May 19 99

Foil 32 Guarded Suspension - Example

From Elements of Concurrent Programming in Java Tango Group Internal Technology Seminars -- Spring 99. by Lukasz Beca
1 public class GuardedClass {
2 protected boolean cond_ = false;
3 protected synchronized void awaitCond() {
4 while(!cond) {
5 try { wait(); }
6 catch(InterrrupedException ex) {}
7 }
8 }
9 public synchronized void guardedAction() {
10 awaitCond();
11 //actions
12 }
13 public synchronized void setCond(boolen cond) {
14 cond_ = cond;
15 notifyAll();
16 }
17 }
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