Update Files

Kha/Tools/macos/std/java/vm/AtomicList.hx

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C)2005-2019 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+package java.vm;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+	A lock-free queue implementation
+**/
+@:native('haxe.java.vm.AtomicList')
+@:nativeGen class AtomicList<T> {
+	@:volatile @:private var head:AtomicNode<T>;
+	@:volatile @:private var tail:AtomicReference<AtomicNode<T>>;
+
+	public function new() {
+		this.head = new AtomicNode(null);
+		this.head.set(new AtomicNode(null));
+		this.tail = new AtomicReference(head);
+	}
+
+	public function add(v:T) {
+		var n = new AtomicNode(v), tail = this.tail;
+		var p = null;
+		while (!((p = tail.get()).compareAndSet(null, n))) {
+			tail.compareAndSet(p, p.get());
+		}
+		tail.compareAndSet(p, n);
+	}
+
+	public function pop():Null<T> {
+		var p = null, pget = null, head = head;
+		do {
+			p = head.get();
+			if ((pget = p.get()) == null)
+				return null; // empty
+		} while (!head.compareAndSet(p, pget));
+
+		var ret = pget.value;
+		pget.value = null;
+		return ret;
+	}
+
+	public function peek() {
+		var ret = head.get();
+		if (ret == null)
+			return null; // empty
+		return ret.value;
+	}
+
+	public function peekLast() {
+		return tail.get().value;
+	}
+}
+
+@:native('haxe.java.vm.AtomicNode')
+@:nativeGen class AtomicNode<T> extends AtomicReference<AtomicNode<T>> {
+	public var value:T;
+
+	public function new(value) {
+		super();
+		this.value = value;
+	}
+}