4632N/A * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4632N/A * This code is free software; you can redistribute it and/or modify it 4632N/A * under the terms of the GNU General Public License version 2 only, as 5020N/A * published by the Free Software Foundation. Oracle designates this 5020N/A * particular file as subject to the "Classpath" exception as provided 5020N/A * by Oracle in the LICENSE file that accompanied this code. 4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT 4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 4632N/A * version 2 for more details (a copy is included in the LICENSE file that 4632N/A * You should have received a copy of the GNU General Public License version 4632N/A * 2 along with this work; if not, write to the Free Software Foundation, 4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 4632N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 4632N/A * or visit www.oracle.com if you need additional information or have any 4632N/A * Implementation of Selector using FreeBSD / Mac OS X kqueues 4632N/A * Derived from Sun's DevPollArrayWrapper 4632N/A * struct kevent { // 32-bit 64-bit 4632N/A * The implementation works in 32-bit and 64-bit world. We do this by calling a 4632N/A * native function that actually sets the sizes and offsets of the fields based 4632N/A // These fields are now set by initStructSizes in the static initializer. 4632N/A // The kevent array (used for outcoming events only) 4632N/A // The fd of the interrupt line going out 4632N/A // The fd of the interrupt line coming in 5318N/A // Used to update file description registrations 4632N/A // This is all that's necessary based on inspection of usage: 4632N/A // SinkChannelImpl, SourceChannelImpl, DatagramChannelImpl, 4632N/A // ServerSocketChannelImpl, SocketChannelImpl 4632N/A /* The ident field is 8 bytes in 64-bit world, however the API wants us 4632N/A * to return an int. Hence read the 8 bytes but return as an int. 5318N/A // update existing registration 5318N/A // flush any pending updates