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changeset 18:faa8a0c1492e

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fix Atomic.
author Kazuma
date Wed, 09 Nov 2016 22:56:26 +0900
parents 01a08cf4b2d9
children 0865819106cf
files src/main/csharp/jp.ac.u-ryukyu.ie.cr/jungle-main/transaction/AtomicReference.cs
diffstat 1 files changed, 6 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/main/csharp/jp.ac.u-ryukyu.ie.cr/jungle-main/transaction/AtomicReference.cs	Mon Nov 07 01:05:24 2016 +0900
+++ b/src/main/csharp/jp.ac.u-ryukyu.ie.cr/jungle-main/transaction/AtomicReference.cs	Wed Nov 09 22:56:26 2016 +0900
@@ -8,9 +8,13 @@
 	}
 
 	public bool CompareAndSet(T newValue, T prevValue) {
-		// change to compere exchange.
 		T oldValue = value;
-		return (oldValue != Interlocked.CompareExchange (ref value, newValue, prevValue));
+		if (oldValue == prevValue) {
+			Interlocked.CompareExchange (ref value, newValue, prevValue);
+			return true;
+		} else {
+			return false;
+		}
 	}