1 /*
   2  * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.ch;
  27 
  28 import java.io.IOException;
  29 import java.nio.channels.*;
  30 import java.nio.channels.spi.*;
  31 import java.util.*;
  32 
  33 
  34 /**
  35  * An implementation of Selector for Solaris.
  36  */
  37 
  38 class PollSelectorImpl
  39     extends AbstractPollSelectorImpl
  40 {
  41 
  42     // File descriptors used for interrupt
  43     private int fd0;
  44     private int fd1;
  45 
  46     // Lock for interrupt triggering and clearing
  47     private Object interruptLock = new Object();
  48     private boolean interruptTriggered = false;
  49 
  50     /**
  51      * Package private constructor called by factory method in
  52      * the abstract superclass Selector.
  53      */
  54     PollSelectorImpl(SelectorProvider sp) {
  55         super(sp, 1, 1);
  56         long pipeFds = IOUtil.makePipe(false);
  57         fd0 = (int) (pipeFds >>> 32);
  58         fd1 = (int) pipeFds;
  59         try {
  60             pollWrapper = new PollArrayWrapper(INIT_CAP);
  61             pollWrapper.initInterrupt(fd0, fd1);
  62             channelArray = new SelectionKeyImpl[INIT_CAP];
  63         } catch (Throwable t) {
  64             try {
  65                 FileDispatcherImpl.closeIntFD(fd0);
  66             } catch (IOException ioe0) {
  67                 t.addSuppressed(ioe0);

   1 /*
   2  * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.ch;
  27 
  28 import java.io.IOException;
  29 import java.nio.channels.*;
  30 import java.nio.channels.spi.*;

  31 
  32 
  33 /**
  34  * An implementation of Selector for Solaris.
  35  */
  36 
  37 class PollSelectorImpl
  38     extends AbstractPollSelectorImpl
  39 {
  40 
  41     // File descriptors used for interrupt
  42     private int fd0;
  43     private int fd1;
  44 
  45     // Lock for interrupt triggering and clearing
  46     private final Object interruptLock = new Object();
  47     private boolean interruptTriggered = false;
  48 
  49     /**
  50      * Package private constructor called by factory method in
  51      * the abstract superclass Selector.
  52      */
  53     PollSelectorImpl(SelectorProvider sp) {
  54         super(sp, 1, 1);
  55         long pipeFds = IOUtil.makePipe(false);
  56         fd0 = (int) (pipeFds >>> 32);
  57         fd1 = (int) pipeFds;
  58         try {
  59             pollWrapper = new PollArrayWrapper(INIT_CAP);
  60             pollWrapper.initInterrupt(fd0, fd1);
  61             channelArray = new SelectionKeyImpl[INIT_CAP];
  62         } catch (Throwable t) {
  63             try {
  64                 FileDispatcherImpl.closeIntFD(fd0);
  65             } catch (IOException ioe0) {
  66                 t.addSuppressed(ioe0);