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/*
 * This code is based on OpenJDK source file(s) which contain the following copyright notice:
 *
 * ------
 * Copyright (c) 2001, 2021, 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
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 * This file may contain additional modifications which are Copyright (c) Red Hat and other
 * contributors.
 */
package java.io;

import jdk.internal.access.JavaIOFileDescriptorAccess;
import jdk.internal.access.SharedSecrets;
import jdk.internal.ref.PhantomCleanable;

import org.qbicc.rt.annotation.Tracking;
import org.qbicc.runtime.patcher.PatchClass;
import org.qbicc.runtime.patcher.ReplaceInit;

@PatchClass(FileDescriptor.class)
@ReplaceInit
@Tracking("src/java.base/share/classes/java/io/FileDescriptor.java")
public class FileDescriptor$_init {
    // alias
    private int fd;
    private long handle;
    private boolean append;

    // Set up JavaIOFileDescriptorAccess in SharedSecrets
    static {
        SharedSecrets.setJavaIOFileDescriptorAccess(
                new JavaIOFileDescriptorAccess() {
                    public void set(FileDescriptor fdo, int fd) {
                        fdo.set(fd);
                    }

                    public int get(FileDescriptor fdo) {
                        return ((FileDescriptor$_init)(Object)fdo).fd;
                    }

                    public void setAppend(FileDescriptor fdo, boolean append) {
                        ((FileDescriptor$_init)(Object)fdo).append = append;
                    }

                    public boolean getAppend(FileDescriptor fdo) {
                        return ((FileDescriptor$_init)(Object)fdo).append;
                    }

                    public void close(FileDescriptor fdo) throws IOException {
                        fdo.close();
                    }

                    /* Register for a normal FileCleanable fd/handle cleanup. */
                    public void registerCleanup(FileDescriptor fdo) {
                        FileCleanable.register(fdo);
                    }

                    /* Register a custom PhantomCleanup. */
                    public void registerCleanup(FileDescriptor fdo,
                                                PhantomCleanable cleanup) {
                        fdo.registerCleanup(cleanup);
                    }

                    public void unregisterCleanup(FileDescriptor fdo) {
                        fdo.unregisterCleanup();
                    }

                    public void setHandle(FileDescriptor fdo, long handle) {
                        fdo.setHandle(handle);
                    }

                    public long getHandle(FileDescriptor fdo) {
                        return ((FileDescriptor$_init)(Object)fdo).handle;
                    }
                }
        );
    }
}