[cpp] add socket polling api

std/cpp/net/Poll.hx

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C)2005-2012 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 cpp.net;
+import sys.net.Socket;
+
+class Poll {
+
+	var mPollHandle : Dynamic;
+	public var readIndexes : Array<Dynamic>;
+	public var writeIndexes : Array<Dynamic>;
+
+	public function new( n : Int ) {
+		mPollHandle = socket_poll_alloc(n);
+		readIndexes = [];
+		writeIndexes = [];
+	}
+
+	public function prepare( read : Array<Socket>, write : Array<Socket> ) {
+		var k = socket_poll_prepare(mPollHandle,read,write);
+		readIndexes = k[0];
+		writeIndexes = k[1];
+	}
+
+	public function events( ?t : Float ) {
+		if (t==null) t=-1.0;
+		socket_poll_events(mPollHandle,t);
+	}
+
+	public function poll( a : Array<Socket>, ?t : Float ) : Array<Socket> {
+		if (t==null) t=-1.0;
+		var read:Array<Dynamic> = socket_poll(a,mPollHandle,t);
+		// Convert to array of sockets...
+		var result = new Array<Socket>();
+		if (read!=null && read.length>0) {
+			result[read.length-1]=null;
+			for(i in 0...read.length)
+				result[i] = read[i];
+		}
+		return result;
+	}
+
+	static var socket_poll_alloc = cpp.Lib.load("std","socket_poll_alloc",1);
+	static var socket_poll = cpp.Lib.load("std","socket_poll",3);
+	static var socket_poll_prepare = cpp.Lib.loadLazy("std","socket_poll_prepare",3);
+	static var socket_poll_events = cpp.Lib.loadLazy("std","socket_poll_events",2);
+
+}