From 6864a5ab361a952714bf7c5a9b7362ebfe34cb9b Mon Sep 17 00:00:00 2001
From: Bruce Eckel <mindviewinc@gmail.com>
Date: Thu, 7 Jul 2016 17:22:39 -0600
Subject: [PATCH] {main: fixes

---
 threads/CriticalSection.java                  | 1 +
 threads/FastSimulation.java                   | 7 +++++--
 threads/restaurant2/RestaurantWithQueues.java | 1 +
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/threads/CriticalSection.java b/threads/CriticalSection.java
index 67f99cd0..922a9e03 100644
--- a/threads/CriticalSection.java
+++ b/threads/CriticalSection.java
@@ -6,6 +6,7 @@
 // Synchronizing blocks instead of entire methods. Also
 // demonstrates protection of a non-thread-safe class
 // with a thread-safe one.
+// {main: threads.CriticalSection}
 package threads;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
diff --git a/threads/FastSimulation.java b/threads/FastSimulation.java
index 1eec612f..f0af5dbe 100644
--- a/threads/FastSimulation.java
+++ b/threads/FastSimulation.java
@@ -13,10 +13,12 @@ public class FastSimulation {
   static final AtomicInteger[][] GRID =
     new AtomicInteger[N_ELEMENTS][N_GENES];
   static SplittableRandom rand = new SplittableRandom(47);
+  private static volatile boolean running = true;
+  public static void stop() { running = false; }
   static class Evolver implements Runnable {
     @Override
     public void run() {
-      while(!Thread.interrupted()) {
+      while(running) {
         // Randomly select an element to work on:
         int element = rand.nextInt(N_ELEMENTS);
         for(int i = 0; i < N_GENES; i++) {
@@ -50,7 +52,8 @@ public class FastSimulation {
           new AtomicInteger(rand.nextInt(1000));
     for(int i = 0; i < N_EVOLVERS; i++)
       es.execute(new Evolver());
-    TimeUnit.SECONDS.sleep(5);
+    TimeUnit.SECONDS.sleep(4);
+    FastSimulation.stop();
     es.shutdownNow();
   }
 }
diff --git a/threads/restaurant2/RestaurantWithQueues.java b/threads/restaurant2/RestaurantWithQueues.java
index 195f4eed..85ebf032 100644
--- a/threads/restaurant2/RestaurantWithQueues.java
+++ b/threads/restaurant2/RestaurantWithQueues.java
@@ -3,6 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://mindviewinc.com/Books/OnJava/ for more book information.
 // {Args: 5}
+// {main: threads.restaurant2.RestaurantWithQueues}
 package threads.restaurant2;
 import enums.menu.*;
 import java.util.concurrent.*;