DualStackPlainSocketImpl.java revision 6290
1879N/A * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 0N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 1472N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 0N/A * or visit www.oracle.com if you need additional information or have any 1879N/A * This class defines the plain SocketImpl that is used on Windows platforms 1879N/A * greater or equal to Windows Vista. These platforms have a dual 1879N/A * layer TCP/IP stack and can handle both IPv4 and IPV6 through a 0N/A // true if this socket is exclusively bound 0N/A // emulates SO_REUSEADDR when exclusiveBind is true 4046N/A * We need to set the local port field. If bind was called 4046N/A * previous to the connect (by the client) then localport field 0N/A /* Update (SocketImpl)s' fd */ 4046N/A /* Update socketImpls remote port, address and localport */ // Intentional fallthrough after SO_REUSEADDR // SO_REUSEADDR emulated when using exclusive bind // intentional fallthrough default :
/* shouldn't get here */ // SO_BINDADDR is not a socket option. return 0;
// return value doesn't matter. // SO_REUSEADDR emulated when using exclusive bind return (
value ==
0) ? -
1 :
1;
static final int WOULDBLOCK = -
2;
// Nothing available (non-blocking)