1 files changed, 0 insertions, 248 deletions
diff --git a/external/jsr166/java/util/concurrent/atomic/AtomicLong.java b/external/jsr166/java/util/concurrent/atomic/AtomicLong.java
deleted file mode 100644
index 136dc60fb..000000000
--- a/external/jsr166/java/util/concurrent/atomic/AtomicLong.java
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * Written by Doug Lea with assistance from members of JCP JSR-166
- * Expert Group and released to the public domain, as explained at
- * http://creativecommons.org/licenses/publicdomain
- */
-
-package java.util.concurrent.atomic;
-import sun.misc.Unsafe;
-
-/**
- * A <tt>long</tt> value that may be updated atomically.  See the
- * {@link java.util.concurrent.atomic} package specification for
- * description of the properties of atomic variables. An
- * <tt>AtomicLong</tt> is used in applications such as atomically
- * incremented sequence numbers, and cannot be used as a replacement
- * for a {@link java.lang.Long}. However, this class does extend
- * <tt>Number</tt> to allow uniform access by tools and utilities that
- * deal with numerically-based classes.
- *
- * @since 1.5
- * @author Doug Lea
- */
-public class AtomicLong extends Number implements java.io.Serializable {
-    private static final long serialVersionUID = 1927816293512124184L;
-
-    // setup to use Unsafe.compareAndSwapLong for updates
-    private static final Unsafe unsafe = Unsafe.getUnsafe();
-    private static final long valueOffset;
-
-    /**
-     * Records whether the underlying JVM supports lockless
-     * CompareAndSet for longs. While the unsafe.CompareAndSetLong
-     * method works in either case, some constructions should be
-     * handled at Java level to avoid locking user-visible locks.
-     */
-    static final boolean VM_SUPPORTS_LONG_CAS = VMSupportsCS8();
-
-    /**
-     * Returns whether underlying JVM supports lockless CompareAndSet
-     * for longs. Called only once and cached in VM_SUPPORTS_LONG_CAS.
-     */
-    private static native boolean VMSupportsCS8();
-
-    static {
-      try {
-        valueOffset = unsafe.objectFieldOffset
-            (AtomicLong.class.getDeclaredField("value"));
-      } catch (Exception ex) { throw new Error(ex); }
-    }
-
-    private volatile long value;
-
-    /**
-     * Creates a new AtomicLong with the given initial value.
-     *
-     * @param initialValue the initial value
-     */
-    public AtomicLong(long initialValue) {
-        value = initialValue;
-    }
-
-    /**
-     * Creates a new AtomicLong with initial value <tt>0</tt>.
-     */
-    public AtomicLong() {
-    }
-
-    /**
-     * Gets the current value.
-     *
-     * @return the current value
-     */
-    public final long get() {
-        return value;
-    }
-
-    /**
-     * Sets to the given value.
-     *
-     * @param newValue the new value
-     */
-    public final void set(long newValue) {
-        value = newValue;
-    }
-
-    /**
-     * Eventually sets to the given value.
-     *
-     * @param newValue the new value
-     * @since 1.6
-     */
-    public final void lazySet(long newValue) {
-        unsafe.putOrderedLong(this, valueOffset, newValue);
-    }
-
-    /**
-     * Atomically sets to the given value and returns the old value.
-     *
-     * @param newValue the new value
-     * @return the previous value
-     */
-    public final long getAndSet(long newValue) {
-        while (true) {
-            long current = get();
-            if (compareAndSet(current, newValue))
-                return current;
-        }
-    }
-
-    /**
-     * Atomically sets the value to the given updated value
-     * if the current value <tt>==</tt> the expected value.
-     *
-     * @param expect the expected value
-     * @param update the new value
-     * @return true if successful. False return indicates that
-     * the actual value was not equal to the expected value.
-     */
-    public final boolean compareAndSet(long expect, long update) {
-	return unsafe.compareAndSwapLong(this, valueOffset, expect, update);
-    }
-
-    /**
-     * Atomically sets the value to the given updated value
-     * if the current value <tt>==</tt> the expected value.
-     * May fail spuriously and does not provide ordering guarantees,
-     * so is only rarely an appropriate alternative to <tt>compareAndSet</tt>.
-     *
-     * @param expect the expected value
-     * @param update the new value
-     * @return true if successful.
-     */
-    public final boolean weakCompareAndSet(long expect, long update) {
-	return unsafe.compareAndSwapLong(this, valueOffset, expect, update);
-    }
-
-    /**
-     * Atomically increments by one the current value.
-     *
-     * @return the previous value
-     */
-    public final long getAndIncrement() {
-        while (true) {
-            long current = get();
-            long next = current + 1;
-            if (compareAndSet(current, next))
-                return current;
-        }
-    }
-
-    /**
-     * Atomically decrements by one the current value.
-     *
-     * @return the previous value
-     */
-    public final long getAndDecrement() {
-        while (true) {
-            long current = get();
-            long next = current - 1;
-            if (compareAndSet(current, next))
-                return current;
-        }
-    }
-
-    /**
-     * Atomically adds the given value to the current value.
-     *
-     * @param delta the value to add
-     * @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;
-        }
-    }
-
-    /**
-     * Atomically increments by one the current value.
-     *
-     * @return the updated value
-     */
-    public final long incrementAndGet() {
-        for (;;) {
-            long current = get();
-            long next = current + 1;
-            if (compareAndSet(current, next))
-                return next;
-        }
-    }
-
-    /**
-     * Atomically decrements by one the current value.
-     *
-     * @return the updated value
-     */
-    public final long decrementAndGet() {
-        for (;;) {
-            long current = get();
-            long next = current - 1;
-            if (compareAndSet(current, next))
-                return next;
-        }
-    }
-
-    /**
-     * Atomically adds the given value to the current value.
-     *
-     * @param delta the value to add
-     * @return the updated value
-     */
-    public final long addAndGet(long delta) {
-        for (;;) {
-            long current = get();
-            long next = current + delta;
-            if (compareAndSet(current, next))
-                return next;
-        }
-    }
-
-    /**
-     * Returns the String representation of the current value.
-     * @return the String representation of the current value.
-     */
-    public String toString() {
-        return Long.toString(get());
-    }
-
-
-    public int intValue() {
-	return (int)get();
-    }
-
-    public long longValue() {
-	return (long)get();
-    }
-
-    public float floatValue() {
-	return (float)get();
-    }
-
-    public double doubleValue() {
-	return (double)get();
-    }
-
-}