--- a/src/java.base/unix/classes/sun/nio/ch/PollArrayWrapper.java Fri Mar 23 18:44:47 2018 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,128 +0,0 @@
-/*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.nio.ch;
-
-
-/**
- * Manipulates a native array of pollfd structs on Solaris:
- *
- * typedef struct pollfd {
- * int fd;
- * short events;
- * short revents;
- * } pollfd_t;
- *
- * @author Mike McCloskey
- * @since 1.4
- */
-
-public class PollArrayWrapper extends AbstractPollArrayWrapper {
-
- // File descriptor to write for interrupt
- int interruptFD;
-
- PollArrayWrapper(int newSize) {
- newSize = (newSize + 1) * SIZE_POLLFD;
- pollArray = new AllocatedNativeObject(newSize, false);
- pollArrayAddress = pollArray.address();
- totalChannels = 1;
- }
-
- void initInterrupt(int fd0, int fd1) {
- interruptFD = fd1;
- putDescriptor(0, fd0);
- putEventOps(0, Net.POLLIN);
- putReventOps(0, 0);
- }
-
- void release(int i) {
- return;
- }
-
- void free() {
- pollArray.free();
- }
-
- /**
- * Prepare another pollfd struct for use.
- */
- void addEntry(SelChImpl sc) {
- putDescriptor(totalChannels, IOUtil.fdVal(sc.getFD()));
- putEventOps(totalChannels, 0);
- putReventOps(totalChannels, 0);
- totalChannels++;
- }
-
- /**
- * Writes the pollfd entry from the source wrapper at the source index
- * over the entry in the target wrapper at the target index. The source
- * array remains unchanged unless the source array and the target are
- * the same array.
- */
- static void replaceEntry(PollArrayWrapper source, int sindex,
- PollArrayWrapper target, int tindex) {
- target.putDescriptor(tindex, source.getDescriptor(sindex));
- target.putEventOps(tindex, source.getEventOps(sindex));
- target.putReventOps(tindex, source.getReventOps(sindex));
- }
-
- /**
- * Grows the pollfd array to a size that will accommodate newSize
- * pollfd entries. This method does no checking of the newSize
- * to determine if it is in fact bigger than the old size: it
- * always reallocates an array of the new size.
- */
- void grow(int newSize) {
- // create new array
- PollArrayWrapper temp = new PollArrayWrapper(newSize);
-
- // Copy over existing entries
- for (int i=0; i<totalChannels; i++)
- replaceEntry(this, i, temp, i);
-
- // Swap new array into pollArray field
- pollArray.free();
- pollArray = temp.pollArray;
- pollArrayAddress = pollArray.address();
- }
-
- int poll(int numfds, int offset, long timeout) {
- return poll0(pollArrayAddress + (offset * SIZE_POLLFD),
- numfds, timeout);
- }
-
- public void interrupt() {
- interrupt(interruptFD);
- }
-
- private native int poll0(long pollAddress, int numfds, long timeout);
-
- private static native void interrupt(int fd);
-
- static {
- IOUtil.load();
- }
-}