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8294399: (ch) Refactor some methods out of sun.nio.ch.UnixFileDispatcherImpl

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Reviewed-by: alanb
This commit is contained in:
Brian Burkhalter 2022-10-27 15:35:24 +00:00
parent 628820f47e
commit d6678952a6
9 changed files with 171 additions and 73 deletions
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13
src/java.base/unix/classes/sun/nio/ch/DatagramDispatcher.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2022, 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
@ -33,7 +33,7 @@ import java.io.IOException;
* for read and write operations.
*/
class DatagramDispatcher extends NativeDispatcher {
class DatagramDispatcher extends UnixDispatcher {
static {
IOUtil.load();
@ -56,15 +56,15 @@ class DatagramDispatcher extends NativeDispatcher {
}
void close(FileDescriptor fd) throws IOException {
FileDispatcherImpl.close0(fd);
close0(fd);
}
void preClose(FileDescriptor fd) throws IOException {
FileDispatcherImpl.preClose0(fd);
preClose0(fd);
}
void dup(FileDescriptor fd1, FileDescriptor fd2) throws IOException {
FileDispatcherImpl.dup0(fd1, fd2);
dup0(fd1, fd2);
}
static native int read0(FileDescriptor fd, long address, int len)
@ -78,4 +78,7 @@ class DatagramDispatcher extends NativeDispatcher {
static native long writev0(FileDescriptor fd, long address, int len)
throws IOException;
static native void dup0(FileDescriptor fd1, FileDescriptor fd2)
throws IOException;
}

18
src/java.base/unix/classes/sun/nio/ch/SocketDispatcher.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2022, 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
@ -33,7 +33,7 @@ import java.io.IOException;
* for read and write operations.
*/
class SocketDispatcher extends NativeDispatcher {
class SocketDispatcher extends UnixDispatcher {
SocketDispatcher() { }
/**
@ -59,19 +59,19 @@ class SocketDispatcher extends NativeDispatcher {
}
int write(FileDescriptor fd, long address, int len) throws IOException {
return FileDispatcherImpl.write0(fd, address, len);
return write0(fd, address, len);
}
long writev(FileDescriptor fd, long address, int len) throws IOException {
return FileDispatcherImpl.writev0(fd, address, len);
return writev0(fd, address, len);
}
void close(FileDescriptor fd) throws IOException {
FileDispatcherImpl.close0(fd);
close0(fd);
}
void preClose(FileDescriptor fd) throws IOException {
FileDispatcherImpl.preClose0(fd);
preClose0(fd);
}
// -- Native methods --
@ -82,6 +82,12 @@ class SocketDispatcher extends NativeDispatcher {
private static native long readv0(FileDescriptor fd, long address, int len)
throws IOException;
static native int write0(FileDescriptor fd, long address, int len)
throws IOException;
static native long writev0(FileDescriptor fd, long address, int len)
throws IOException;
static {
IOUtil.load();
}

51
src/java.base/unix/classes/sun/nio/ch/UnixDispatcher.java Normal file
View file

@ -0,0 +1,51 @@
/*
* Copyright (c) 2022, 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;
import java.io.FileDescriptor;
import java.io.IOException;
abstract class UnixDispatcher extends NativeDispatcher {
void close(FileDescriptor fd) throws IOException {
close0(fd);
}
void preClose(FileDescriptor fd) throws IOException {
preClose0(fd);
}
static native void close0(FileDescriptor fd) throws IOException;
static native void preClose0(FileDescriptor fd) throws IOException;
static native void init();
static {
IOUtil.load();
init();
}
}

19
src/java.base/unix/classes/sun/nio/ch/UnixFileDispatcherImpl.java
View file

@ -39,7 +39,6 @@ class UnixFileDispatcherImpl extends FileDispatcher {
static {
IOUtil.load();
init();
}
private static final JavaIOFileDescriptorAccess fdAccess =
@ -108,14 +107,6 @@ class UnixFileDispatcherImpl extends FileDispatcher {
fdAccess.close(fd);
}
void preClose(FileDescriptor fd) throws IOException {
preClose0(fd);
}
void dup(FileDescriptor fd1, FileDescriptor fd2) throws IOException {
dup0(fd1, fd2);
}
FileDescriptor duplicateForMapping(FileDescriptor fd) {
// file descriptor not required for mapping operations; okay
// to return invalid file descriptor.
@ -211,14 +202,6 @@ class UnixFileDispatcherImpl extends FileDispatcher {
static native void release0(FileDescriptor fd, long pos, long size)
throws IOException;
// Shared with SocketDispatcher and DatagramDispatcher but
// NOT used by FileDispatcherImpl
static native void close0(FileDescriptor fd) throws IOException;
static native void preClose0(FileDescriptor fd) throws IOException;
static native void dup0(FileDescriptor fd1, FileDescriptor fd2) throws IOException;
static native void closeIntFD(int fd) throws IOException;
static native long allocationGranularity0();
@ -230,6 +213,4 @@ class UnixFileDispatcherImpl extends FileDispatcher {
static native int unmap0(long address, long length);
static native int setDirect0(FileDescriptor fd) throws IOException;
static native void init();
}