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7027300: Unsynchronized HashMap access causes endless loop

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Reviewed-by: bae, jgodinez
This commit is contained in:
Phil Race 2012-06-13 12:46:02 -07:00
parent 623934b5e1
commit a8072dc2a0
1 changed files with 3 additions and 3 deletions
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6
jdk/src/share/classes/sun/font/SunLayoutEngine.java
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@ -33,7 +33,7 @@ package sun.font;
import sun.font.GlyphLayout.*; import sun.font.GlyphLayout.*;
import java.awt.geom.Point2D; import java.awt.geom.Point2D;
import java.lang.ref.SoftReference; import java.lang.ref.SoftReference;
import java.util.HashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.Locale; import java.util.Locale;
/* /*
@ -129,9 +129,9 @@ public final class SunLayoutEngine implements LayoutEngine, LayoutEngineFactory
// !!! don't need this unless we have more than one sun layout engine... // !!! don't need this unless we have more than one sun layout engine...
public LayoutEngine getEngine(LayoutEngineKey key) { public LayoutEngine getEngine(LayoutEngineKey key) {
HashMap cache = (HashMap)cacheref.get(); ConcurrentHashMap cache = (ConcurrentHashMap)cacheref.get();
if (cache == null) { if (cache == null) {
cache = new HashMap(); cache = new ConcurrentHashMap();
cacheref = new SoftReference(cache); cacheref = new SoftReference(cache);
} }