Merge

src/share/classes/java/lang/Integer.java

@@ -772,7 +772,7 @@ public final class Integer extends Number implements Comparable<Integer> {
                 int i = parseInt(integerCacheHighPropValue);
                 i = Math.max(i, 127);
                 // Maximum array size is Integer.MAX_VALUE
-                h = Math.min(i, Integer.MAX_VALUE - (-low));
+                h = Math.min(i, Integer.MAX_VALUE - (-low) -1);
             }
             high = h;
 

src/share/classes/java/lang/annotation/Repeatable.java

+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.lang.annotation;
+
+/**
+ * The annotation type {@code java.lang.annotation.Repeatable} is
+ * used to indicate that the annotation type whose declaration it
+ * (meta-)annotates is <em>repeatable</em>. The value of
+ * {@code @Repeatable} indicates the <em>containing annotation
+ * type</em> for the repeatable annotation type.
+ *
+ * @since 1.8
+ * @jls 9.6 Annotation Types
+ * @jls 9.7 Annotations
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.ANNOTATION_TYPE)
+public @interface Repeatable {
+    /**
+     * Indicates the <em>containing annotation type</em> for the
+     * repeatable annotation type.
+     */
+    Class<? extends Annotation> value();
+}

src/share/classes/java/util/concurrent/atomic/AtomicBoolean.java

@@ -111,7 +111,7 @@ public class AtomicBoolean implements java.io.Serializable {
      *
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public boolean weakCompareAndSet(boolean expect, boolean update) {
         int e = expect ? 1 : 0;
@@ -146,16 +146,16 @@ public class AtomicBoolean implements java.io.Serializable {
      * @return the previous value
      */
     public final boolean getAndSet(boolean newValue) {
-        for (;;) {
-            boolean current = get();
-            if (compareAndSet(current, newValue))
-                return current;
-        }
+        boolean prev;
+        do {
+            prev = get();
+        } while (!compareAndSet(prev, newValue));
+        return prev;
     }
 
     /**
      * Returns the String representation of the current value.
-     * @return the String representation of the current value.
+     * @return the String representation of the current value
      */
     public String toString() {
         return Boolean.toString(get());

src/share/classes/java/util/concurrent/atomic/AtomicInteger.java

@@ -115,11 +115,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final int getAndSet(int newValue) {
-        for (;;) {
-            int current = get();
-            if (compareAndSet(current, newValue))
-                return current;
-        }
+        return unsafe.getAndSetInt(this, valueOffset, newValue);
     }
 
     /**
@@ -145,7 +141,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      *
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public final boolean weakCompareAndSet(int expect, int update) {
         return unsafe.compareAndSwapInt(this, valueOffset, expect, update);
@@ -157,12 +153,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final int getAndIncrement() {
-        for (;;) {
-            int current = get();
-            int next = current + 1;
-            if (compareAndSet(current, next))
-                return current;
-        }
+        return getAndAdd(1);
     }
 
     /**
@@ -171,12 +162,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final int getAndDecrement() {
-        for (;;) {
-            int current = get();
-            int next = current - 1;
-            if (compareAndSet(current, next))
-                return current;
-        }
+        return getAndAdd(-1);
     }
 
     /**
@@ -186,12 +172,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final int getAndAdd(int delta) {
-        for (;;) {
-            int current = get();
-            int next = current + delta;
-            if (compareAndSet(current, next))
-                return current;
-        }
+        return unsafe.getAndAddInt(this, valueOffset, delta);
     }
 
     /**
@@ -200,12 +181,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the updated value
      */
     public final int incrementAndGet() {
-        for (;;) {
-            int current = get();
-            int next = current + 1;
-            if (compareAndSet(current, next))
-                return next;
-        }
+        return getAndAdd(1) + 1;
     }
 
     /**
@@ -214,12 +190,7 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the updated value
      */
     public final int decrementAndGet() {
-        for (;;) {
-            int current = get();
-            int next = current - 1;
-            if (compareAndSet(current, next))
-                return next;
-        }
+        return getAndAdd(-1) - 1;
     }
 
     /**
@@ -229,17 +200,12 @@ public class AtomicInteger extends Number implements java.io.Serializable {
      * @return the updated value
      */
     public final int addAndGet(int delta) {
-        for (;;) {
-            int current = get();
-            int next = current + delta;
-            if (compareAndSet(current, next))
-                return next;
-        }
+        return getAndAdd(delta) + delta;
     }
 
     /**
      * Returns the String representation of the current value.
-     * @return the String representation of the current value.
+     * @return the String representation of the current value
      */
     public String toString() {
         return Integer.toString(get());

src/share/classes/java/util/concurrent/atomic/AtomicIntegerArray.java

@@ -145,12 +145,7 @@ public class AtomicIntegerArray implements java.io.Serializable {
      * @return the previous value
      */
     public final int getAndSet(int i, int newValue) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            int current = getRaw(offset);
-            if (compareAndSetRaw(offset, current, newValue))
-                return current;
-        }
+        return unsafe.getAndSetInt(array, checkedByteOffset(i), newValue);
     }
 
     /**
@@ -182,7 +177,7 @@ public class AtomicIntegerArray implements java.io.Serializable {
      * @param i the index
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public final boolean weakCompareAndSet(int i, int expect, int update) {
         return compareAndSet(i, expect, update);
@@ -216,12 +211,7 @@ public class AtomicIntegerArray implements java.io.Serializable {
      * @return the previous value
      */
     public final int getAndAdd(int i, int delta) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            int current = getRaw(offset);
-            if (compareAndSetRaw(offset, current, current + delta))
-                return current;
-        }
+        return unsafe.getAndAddInt(array, checkedByteOffset(i), delta);
     }
 
     /**
@@ -231,7 +221,7 @@ public class AtomicIntegerArray implements java.io.Serializable {
      * @return the updated value
      */
     public final int incrementAndGet(int i) {
-        return addAndGet(i, 1);
+        return getAndAdd(i, 1) + 1;
     }
 
     /**
@@ -241,7 +231,7 @@ public class AtomicIntegerArray implements java.io.Serializable {
      * @return the updated value
      */
     public final int decrementAndGet(int i) {
-        return addAndGet(i, -1);
+        return getAndAdd(i, -1) - 1;
     }
 
     /**
@@ -252,13 +242,7 @@ public class AtomicIntegerArray implements java.io.Serializable {
      * @return the updated value
      */
     public final int addAndGet(int i, int delta) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            int current = getRaw(offset);
-            int next = current + delta;
-            if (compareAndSetRaw(offset, current, next))
-                return next;
-        }
+        return getAndAdd(i, delta) + delta;
     }
 
     /**

src/share/classes/java/util/concurrent/atomic/AtomicIntegerFieldUpdater.java

@@ -159,11 +159,11 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the previous value
      */
     public int getAndSet(T obj, int newValue) {
-        for (;;) {
-            int current = get(obj);
-            if (compareAndSet(obj, current, newValue))
-                return current;
-        }
+        int prev;
+        do {
+            prev = get(obj);
+        } while (!compareAndSet(obj, prev, newValue));
+        return prev;
     }
 
     /**
@@ -174,12 +174,12 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the previous value
      */
     public int getAndIncrement(T obj) {
-        for (;;) {
-            int current = get(obj);
-            int next = current + 1;
-            if (compareAndSet(obj, current, next))
-                return current;
-        }
+        int prev, next;
+        do {
+            prev = get(obj);
+            next = prev + 1;
+        } while (!compareAndSet(obj, prev, next));
+        return prev;
     }
 
     /**
@@ -190,12 +190,12 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the previous value
      */
     public int getAndDecrement(T obj) {
-        for (;;) {
-            int current = get(obj);
-            int next = current - 1;
-            if (compareAndSet(obj, current, next))
-                return current;
-        }
+        int prev, next;
+        do {
+            prev = get(obj);
+            next = prev - 1;
+        } while (!compareAndSet(obj, prev, next));
+        return prev;
     }
 
     /**
@@ -207,12 +207,12 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the previous value
      */
     public int getAndAdd(T obj, int delta) {
-        for (;;) {
-            int current = get(obj);
-            int next = current + delta;
-            if (compareAndSet(obj, current, next))
-                return current;
-        }
+        int prev, next;
+        do {
+            prev = get(obj);
+            next = prev + delta;
+        } while (!compareAndSet(obj, prev, next));
+        return prev;
     }
 
     /**
@@ -223,12 +223,12 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the updated value
      */
     public int incrementAndGet(T obj) {
-        for (;;) {
-            int current = get(obj);
-            int next = current + 1;
-            if (compareAndSet(obj, current, next))
-                return next;
-        }
+        int prev, next;
+        do {
+            prev = get(obj);
+            next = prev + 1;
+        } while (!compareAndSet(obj, prev, next));
+        return next;
     }
 
     /**
@@ -239,12 +239,12 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the updated value
      */
     public int decrementAndGet(T obj) {
-        for (;;) {
-            int current = get(obj);
-            int next = current - 1;
-            if (compareAndSet(obj, current, next))
-                return next;
-        }
+        int prev, next;
+        do {
+            prev = get(obj);
+            next = prev - 1;
+        } while (!compareAndSet(obj, prev, next));
+        return next;
     }
 
     /**
@@ -256,12 +256,12 @@ public abstract class AtomicIntegerFieldUpdater<T> {
      * @return the updated value
      */
     public int addAndGet(T obj, int delta) {
-        for (;;) {
-            int current = get(obj);
-            int next = current + delta;
-            if (compareAndSet(obj, current, next))
-                return next;
-        }
+        int prev, next;
+        do {
+            prev = get(obj);
+            next = prev + delta;
+        } while (!compareAndSet(obj, prev, next));
+        return next;
     }
 
     /**
@@ -361,6 +361,36 @@ public abstract class AtomicIntegerFieldUpdater<T> {
             return unsafe.getIntVolatile(obj, offset);
         }
 
+        public int getAndSet(T obj, int newValue) {
+            if (obj == null || obj.getClass() != tclass || cclass != null) fullCheck(obj);
+            return unsafe.getAndSetInt(obj, offset, newValue);
+        }
+
+        public int getAndIncrement(T obj) {
+            return getAndAdd(obj, 1);
+        }
+
+        public int getAndDecrement(T obj) {
+            return getAndAdd(obj, -1);
+        }
+
+        public int getAndAdd(T obj, int delta) {
+            if (obj == null || obj.getClass() != tclass || cclass != null) fullCheck(obj);
+            return unsafe.getAndAddInt(obj, offset, delta);
+        }
+
+        public int incrementAndGet(T obj) {
+            return getAndAdd(obj, 1) + 1;
+        }
+
+        public int decrementAndGet(T obj) {
+             return getAndAdd(obj, -1) - 1;
+        }
+
+        public int addAndGet(T obj, int delta) {
+            return getAndAdd(obj, delta) + delta;
+        }
+
         private void ensureProtectedAccess(T obj) {
             if (cclass.isInstance(obj)) {
                 return;

src/share/classes/java/util/concurrent/atomic/AtomicLong.java

@@ -129,11 +129,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final long getAndSet(long newValue) {
-        while (true) {
-            long current = get();
-            if (compareAndSet(current, newValue))
-                return current;
-        }
+        return unsafe.getAndSetLong(this, valueOffset, newValue);
     }
 
     /**
@@ -159,7 +155,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      *
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public final boolean weakCompareAndSet(long expect, long update) {
         return unsafe.compareAndSwapLong(this, valueOffset, expect, update);
@@ -171,12 +167,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final long getAndIncrement() {
-        while (true) {
-            long current = get();
-            long next = current + 1;
-            if (compareAndSet(current, next))
-                return current;
-        }
+        return getAndAdd(1);
     }
 
     /**
@@ -185,12 +176,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final long getAndDecrement() {
-        while (true) {
-            long current = get();
-            long next = current - 1;
-            if (compareAndSet(current, next))
-                return current;
-        }
+        return getAndAdd(-1);
     }
 
     /**
@@ -200,12 +186,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the previous value
      */
     public final long getAndAdd(long delta) {
-        while (true) {
-            long current = get();
-            long next = current + delta;
-            if (compareAndSet(current, next))
-                return current;
-        }
+        return unsafe.getAndAddLong(this, valueOffset, delta);
     }
 
     /**
@@ -214,12 +195,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the updated value
      */
     public final long incrementAndGet() {
-        for (;;) {
-            long current = get();
-            long next = current + 1;
-            if (compareAndSet(current, next))
-                return next;
-        }
+        return getAndAdd(1) + 1;
     }
 
     /**
@@ -228,12 +204,7 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the updated value
      */
     public final long decrementAndGet() {
-        for (;;) {
-            long current = get();
-            long next = current - 1;
-            if (compareAndSet(current, next))
-                return next;
-        }
+        return getAndAdd(-1) - 1;
     }
 
     /**
@@ -243,17 +214,12 @@ public class AtomicLong extends Number implements java.io.Serializable {
      * @return the updated value
      */
     public final long addAndGet(long delta) {
-        for (;;) {
-            long current = get();
-            long next = current + delta;
-            if (compareAndSet(current, next))
-                return next;
-        }
+        return getAndAdd(delta) + delta;
     }
 
     /**
      * Returns the String representation of the current value.
-     * @return the String representation of the current value.
+     * @return the String representation of the current value
      */
     public String toString() {
         return Long.toString(get());

src/share/classes/java/util/concurrent/atomic/AtomicLongArray.java

@@ -144,12 +144,7 @@ public class AtomicLongArray implements java.io.Serializable {
      * @return the previous value
      */
     public final long getAndSet(int i, long newValue) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            long current = getRaw(offset);
-            if (compareAndSetRaw(offset, current, newValue))
-                return current;
-        }
+        return unsafe.getAndSetLong(array, checkedByteOffset(i), newValue);
     }
 
     /**
@@ -181,7 +176,7 @@ public class AtomicLongArray implements java.io.Serializable {
      * @param i the index
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public final boolean weakCompareAndSet(int i, long expect, long update) {
         return compareAndSet(i, expect, update);
@@ -215,12 +210,7 @@ public class AtomicLongArray implements java.io.Serializable {
      * @return the previous value
      */
     public final long getAndAdd(int i, long delta) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            long current = getRaw(offset);
-            if (compareAndSetRaw(offset, current, current + delta))
-                return current;
-        }
+        return unsafe.getAndAddLong(array, checkedByteOffset(i), delta);
     }
 
     /**
@@ -230,7 +220,7 @@ public class AtomicLongArray implements java.io.Serializable {
      * @return the updated value
      */
     public final long incrementAndGet(int i) {
-        return addAndGet(i, 1);
+        return getAndAdd(i, 1) + 1;
     }
 
     /**
@@ -240,7 +230,7 @@ public class AtomicLongArray implements java.io.Serializable {
      * @return the updated value
      */
     public final long decrementAndGet(int i) {
-        return addAndGet(i, -1);
+        return getAndAdd(i, -1) - 1;
     }
 
     /**
@@ -251,13 +241,7 @@ public class AtomicLongArray implements java.io.Serializable {
      * @return the updated value
      */
     public long addAndGet(int i, long delta) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            long current = getRaw(offset);
-            long next = current + delta;
-            if (compareAndSetRaw(offset, current, next))
-                return next;
-        }
+        return getAndAdd(i, delta) + delta;
     }
 
     /**

src/share/classes/java/util/concurrent/atomic/AtomicLongFieldUpdater.java

@@ -98,7 +98,7 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @param obj An object whose field to conditionally set
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      * @throws ClassCastException if {@code obj} is not an instance
      * of the class possessing the field established in the constructor.
      */
@@ -118,7 +118,7 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @param obj An object whose field to conditionally set
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      * @throws ClassCastException if {@code obj} is not an instance
      * of the class possessing the field established in the constructor.
      */
@@ -162,11 +162,11 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the previous value
      */
     public long getAndSet(T obj, long newValue) {
-        for (;;) {
-            long current = get(obj);
-            if (compareAndSet(obj, current, newValue))
-                return current;
-        }
+        long prev;
+        do {
+            prev = get(obj);
+        } while (!compareAndSet(obj, prev, newValue));
+        return prev;
     }
 
     /**
@@ -177,12 +177,12 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the previous value
      */
     public long getAndIncrement(T obj) {
-        for (;;) {
-            long current = get(obj);
-            long next = current + 1;
-            if (compareAndSet(obj, current, next))
-                return current;
-        }
+        long prev, next;
+        do {
+            prev = get(obj);
+            next = prev + 1;
+        } while (!compareAndSet(obj, prev, next));
+        return prev;
     }
 
     /**
@@ -193,12 +193,12 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the previous value
      */
     public long getAndDecrement(T obj) {
-        for (;;) {
-            long current = get(obj);
-            long next = current - 1;
-            if (compareAndSet(obj, current, next))
-                return current;
-        }
+        long prev, next;
+        do {
+            prev = get(obj);
+            next = prev - 1;
+        } while (!compareAndSet(obj, prev, next));
+        return prev;
     }
 
     /**
@@ -210,12 +210,12 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the previous value
      */
     public long getAndAdd(T obj, long delta) {
-        for (;;) {
-            long current = get(obj);
-            long next = current + delta;
-            if (compareAndSet(obj, current, next))
-                return current;
-        }
+        long prev, next;
+        do {
+            prev = get(obj);
+            next = prev + delta;
+        } while (!compareAndSet(obj, prev, next));
+        return prev;
     }
 
     /**
@@ -226,12 +226,12 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the updated value
      */
     public long incrementAndGet(T obj) {
-        for (;;) {
-            long current = get(obj);
-            long next = current + 1;
-            if (compareAndSet(obj, current, next))
-                return next;
-        }
+        long prev, next;
+        do {
+            prev = get(obj);
+            next = prev + 1;
+        } while (!compareAndSet(obj, prev, next));
+        return next;
     }
 
     /**
@@ -242,12 +242,12 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the updated value
      */
     public long decrementAndGet(T obj) {
-        for (;;) {
-            long current = get(obj);
-            long next = current - 1;
-            if (compareAndSet(obj, current, next))
-                return next;
-        }
+        long prev, next;
+        do {
+            prev = get(obj);
+            next = prev - 1;
+        } while (!compareAndSet(obj, prev, next));
+        return next;
     }
 
     /**
@@ -259,12 +259,12 @@ public abstract class AtomicLongFieldUpdater<T> {
      * @return the updated value
      */
     public long addAndGet(T obj, long delta) {
-        for (;;) {
-            long current = get(obj);
-            long next = current + delta;
-            if (compareAndSet(obj, current, next))
-                return next;
-        }
+        long prev, next;
+        do {
+            prev = get(obj);
+            next = prev + delta;
+        } while (!compareAndSet(obj, prev, next));
+        return next;
     }
 
     private static class CASUpdater<T> extends AtomicLongFieldUpdater<T> {
@@ -345,6 +345,36 @@ public abstract class AtomicLongFieldUpdater<T> {
             return unsafe.getLongVolatile(obj, offset);
         }
 
+        public long getAndSet(T obj, long newValue) {
+            if (obj == null || obj.getClass() != tclass || cclass != null) fullCheck(obj);
+            return unsafe.getAndSetLong(obj, offset, newValue);
+        }
+
+        public long getAndIncrement(T obj) {
+            return getAndAdd(obj, 1);
+        }
+
+        public long getAndDecrement(T obj) {
+            return getAndAdd(obj, -1);
+        }
+
+        public long getAndAdd(T obj, long delta) {
+            if (obj == null || obj.getClass() != tclass || cclass != null) fullCheck(obj);
+            return unsafe.getAndAddLong(obj, offset, delta);
+        }
+
+        public long incrementAndGet(T obj) {
+            return getAndAdd(obj, 1) + 1;
+        }
+
+        public long decrementAndGet(T obj) {
+             return getAndAdd(obj, -1) - 1;
+        }
+
+        public long addAndGet(T obj, long delta) {
+            return getAndAdd(obj, delta) + delta;
+        }
+
         private void ensureProtectedAccess(T obj) {
             if (cclass.isInstance(obj)) {
                 return;

src/share/classes/java/util/concurrent/atomic/AtomicReference.java

@@ -124,7 +124,7 @@ public class AtomicReference<V> implements java.io.Serializable {
      *
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public final boolean weakCompareAndSet(V expect, V update) {
         return unsafe.compareAndSwapObject(this, valueOffset, expect, update);
@@ -136,17 +136,14 @@ public class AtomicReference<V> implements java.io.Serializable {
      * @param newValue the new value
      * @return the previous value
      */
+    @SuppressWarnings("unchecked")
     public final V getAndSet(V newValue) {
-        while (true) {
-            V x = get();
-            if (compareAndSet(x, newValue))
-                return x;
-        }
+        return (V)unsafe.getAndSetObject(this, valueOffset, newValue);
     }
 
     /**
      * Returns the String representation of the current value.
-     * @return the String representation of the current value.
+     * @return the String representation of the current value
      */
     public String toString() {
         return String.valueOf(get());

src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java

@@ -159,13 +159,9 @@ public class AtomicReferenceArray<E> implements java.io.Serializable {
      * @param newValue the new value
      * @return the previous value
      */
+    @SuppressWarnings("unchecked")
     public final E getAndSet(int i, E newValue) {
-        long offset = checkedByteOffset(i);
-        while (true) {
-            E current = getRaw(offset);
-            if (compareAndSetRaw(offset, current, newValue))
-                return current;
-        }
+        return (E)unsafe.getAndSetObject(array, checkedByteOffset(i), newValue);
     }
 
     /**
@@ -197,7 +193,7 @@ public class AtomicReferenceArray<E> implements java.io.Serializable {
      * @param i the index
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public final boolean weakCompareAndSet(int i, E expect, E update) {
         return compareAndSet(i, expect, update);

src/share/classes/java/util/concurrent/atomic/AtomicReferenceFieldUpdater.java

@@ -116,7 +116,7 @@ public abstract class AtomicReferenceFieldUpdater<T, V> {
      * @param obj An object whose field to conditionally set
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public abstract boolean compareAndSet(T obj, V expect, V update);
 
@@ -134,7 +134,7 @@ public abstract class AtomicReferenceFieldUpdater<T, V> {
      * @param obj An object whose field to conditionally set
      * @param expect the expected value
      * @param update the new value
-     * @return true if successful.
+     * @return true if successful
      */
     public abstract boolean weakCompareAndSet(T obj, V expect, V update);
 
@@ -176,11 +176,11 @@ public abstract class AtomicReferenceFieldUpdater<T, V> {
      * @return the previous value
      */
     public V getAndSet(T obj, V newValue) {
-        for (;;) {
-            V current = get(obj);
-            if (compareAndSet(obj, current, newValue))
-                return current;
-        }
+        V prev;
+        do {
+            prev = get(obj);
+        } while (!compareAndSet(obj, prev, newValue));
+        return prev;
     }
 
     private static final class AtomicReferenceFieldUpdaterImpl<T,V>
@@ -321,6 +321,15 @@ public abstract class AtomicReferenceFieldUpdater<T, V> {
             return (V)unsafe.getObjectVolatile(obj, offset);
         }
 
+        @SuppressWarnings("unchecked")
+        public V getAndSet(T obj, V newValue) {
+            if (obj == null || obj.getClass() != tclass || cclass != null ||
+                (newValue != null && vclass != null &&
+                 vclass != newValue.getClass()))
+                updateCheck(obj, newValue);
+            return (V)unsafe.getAndSetObject(obj, offset, newValue);
+        }
+
         private void ensureProtectedAccess(T obj) {
             if (cclass.isInstance(obj)) {
                 return;

test/java/lang/Runtime/exec/WinCommand.java

@@ -135,24 +135,19 @@ public class WinCommand {
 
         // Win9x systems don't have a cmd.exe
         if (new File(systemDirW, "cmd.exe").exists()) {
-            try {
-                out.println("Running cmd.exe tests...");
-                writeFile("cdcmd.cmd", "@echo off\r\nCD\r\n");
-                writeFile("cdbat.bat", "@echo off\r\nCD\r\n");
-                checkCD("cmd",
-                        "cmd.exe",
-                        systemDirW + "\\cmd.exe",
-                        // Only the ".exe" extension can be omitted
-                        systemDirW + "\\cmd",
-                        systemDirM + "/cmd.exe",
-                        systemDirM + "/cmd",
-                        "/" + systemDirM + "/cmd",
-                        "cdcmd.cmd", "./cdcmd.cmd", ".\\cdcmd.cmd",
-                        "cdbat.bat", "./cdbat.bat", ".\\cdbat.bat");
-            } finally {
-                new File("cdcmd.cmd").delete();
-                new File("cdbat.bat").delete();
-            }
+            out.println("Running cmd.exe tests...");
+            writeFile("cdcmd.cmd", "@echo off\r\nCD\r\n");
+            writeFile("cdbat.bat", "@echo off\r\nCD\r\n");
+            checkCD("cmd",
+                    "cmd.exe",
+                    systemDirW + "\\cmd.exe",
+                    // Only the ".exe" extension can be omitted
+                    systemDirW + "\\cmd",
+                    systemDirM + "/cmd.exe",
+                    systemDirM + "/cmd",
+                    "/" + systemDirM + "/cmd",
+                    "cdcmd.cmd", "./cdcmd.cmd", ".\\cdcmd.cmd",
+                    "cdbat.bat", "./cdbat.bat", ".\\cdbat.bat");
         }
 
         // 16-bit apps like command.com must have a console;

test/java/util/Properties/MacJNUEncoding/ExpectedEncoding.java → test/java/lang/System/MacJNUEncoding/ExpectedEncoding.java

@@ -31,6 +31,7 @@ public class ExpectedEncoding {
         if (args.length != 2) {
             System.out.println("Usage:");
             System.out.println("$ java ExpectedEncoding <expected file.encoding> <expected sun.jnu.encoding>");
+            System.exit(1);
         }
         String expectFileEnc = args[0];
         String expectSunJnuEnc = args[1];
@@ -49,8 +50,7 @@ public class ExpectedEncoding {
             failed = true;
         }
         if (failed) {
-            System.err.println("Test Failed");
-            System.exit(1);
+            throw new RuntimeException("Test Failed");
         }
     }
 }

test/java/util/Properties/MacJNUEncoding/MacJNUEncoding.sh → test/java/lang/System/MacJNUEncoding/MacJNUEncoding.sh

@@ -63,14 +63,16 @@ echo "Building test classes..."
 "$JAVAC" -d "${TESTCLASSES}" "${TESTSRC}"/ExpectedEncoding.java 
 
 echo ""
-echo "Running test for LANG=C"
+echo "Running test for C locale"
 export LANG=C
+export LC_ALL=C
 "${JAVA}" ${TESTVMOPTS} -classpath "${TESTCLASSES}" ExpectedEncoding US-ASCII UTF-8
 result1=$?
 
 echo ""
-echo "Running test for LANG=en_US.UTF-8"
+echo "Running test for en_US.UTF-8 locale"
 export LANG=en_US.UTF-8
+export LC_ALL=en_US.UTF-8
 "${JAVA}" ${TESTVMOPTS} -classpath "${TESTCLASSES}" ExpectedEncoding UTF-8 UTF-8
 result2=$?
 
@@ -79,11 +81,15 @@ echo "Cleanup"
 rm ${TESTCLASSES}/ExpectedEncoding.class
 
 if [ ${result1} -ne 0 ] ; then
-    echo "Test failed for LANG=C"
+    echo "Test failed for C locale"
+    echo "  LANG=\"${LANG}\""
+    echo "  LC_ALL=\"${LC_ALL}\""
     exit ${result1}
 fi
 if [ ${result2} -ne 0 ] ; then
-    echo "Test failed for LANG=en_US.UTF-8"
+    echo "Test failed for en_US.UTF-8 locale"
+    echo "  LANG=\"${LANG}\""
+    echo "  LC_ALL=\"${LC_ALL}\""
     exit ${result2}
 fi
 exit 0