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8293331: Refactor FileDispatcherImpl into operating system-specific components

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Reviewed-by: alanb
This commit is contained in:
Brian Burkhalter 2022-09-22 15:59:05 +00:00
parent f751e6087d
commit 48cc15602b
14 changed files with 959 additions and 704 deletions
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57
src/java.base/macosx/classes/sun/nio/ch/FileDispatcherImpl.java Normal file
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/*
* 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
* 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;
class FileDispatcherImpl extends UnixFileDispatcherImpl {
FileDispatcherImpl() {
super();
}
int force(FileDescriptor fd, boolean metaData) throws IOException {
return force0(fd, metaData);
}
boolean canTransferToFromOverlappedMap() {
return false;
}
long transferTo(FileDescriptor src, long position, long count,
FileDescriptor dst, boolean append) {
return transferTo0(src, position, count, dst, append);
}
// -- Native methods --
static native int force0(FileDescriptor fd, boolean metaData)
throws IOException;
static native long transferTo0(FileDescriptor src, long position,
long count, FileDescriptor dst,
boolean append);
}