43 lines
1.3 KiB
Java
43 lines
1.3 KiB
Java
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import java.util.concurrent.atomic.AtomicBoolean;
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public class TAS {
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static AtomicBoolean occupied = new AtomicBoolean(false);
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public static void main(String[] args) {
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Thread t1 = new Thread(new Proc2(), "1");
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Thread t0 = new Thread(new Proc2(), "0");
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t1.start();
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t0.start();
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}
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}
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class Proc2 implements Runnable {
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int id; // identifiant du Thread
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public void run() {
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id = Integer.parseInt(Thread.currentThread().getName());
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while (true) { // SC = Section Critique
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System.out.println("Thread " + id + " est hors SC");
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entrer();
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System.out.println("Thread " + id + " est en SC");
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sortir();
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}
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}
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void entrer() {
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System.out.println("Thread " + id + " veut entrer en SC ");
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while (!TAS.occupied.compareAndSet(false, true)) {
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System.out.println(
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(char) 27 + "[0;90m" + "Thread " + id + " attend que TAS ne soit plus occupé" + (char) 27 + "[0m");
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}
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System.out.println("Thread " + id + " est entré en SC ");
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}
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void sortir() {
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System.out.println("Thread " + id + " sort de SC ");
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TAS.occupied.set(false);
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System.out.println("Thread " + id + " est sortit de SC ");
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}
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}
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