# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1213430674 -7200
# Node ID bd5089d237717616af477ea8c55d46bc61c4075e
# Parent  0e46110eebc1b6b190bd704d2e975928e12b35fb
reading needs to synchronize as well

diff -r 0e46110eebc1 -r bd5089d23771 samples/reentrant/src/org/apidesign/reentrant/CriticalSectionReentrantImmutable.java
--- a/samples/reentrant/src/org/apidesign/reentrant/CriticalSectionReentrantImmutable.java	Sat Jun 14 10:04:19 2008 +0200
+++ b/samples/reentrant/src/org/apidesign/reentrant/CriticalSectionReentrantImmutable.java	Sat Jun 14 10:04:34 2008 +0200
@@ -13,7 +13,10 @@
     // BEGIN: reentrant.merge.immutable
     public int sumBigger(Collection<T> args) {
         for (;;) {
-            ImmutableData<T> previous = this.data;
+            ImmutableData<T> previous;
+            synchronized (this) {
+                previous = this.data;
+            }
             int[] ret = { 0 };
             ImmutableData<T> now = doCriticalSection(args, previous, ret);