Mirror von
https://github.com/IntellectualSites/FastAsyncWorldEdit.git
synchronisiert 2024-09-06 16:12:51 +02:00
Always use Unsafe to clean ByteBuffer
Dieser Commit ist enthalten in:
Ursprung
706ac35063
Commit
71f7103edd
@ -22,6 +22,7 @@ import com.sk89q.worldedit.world.block.BaseBlock;
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import com.sk89q.worldedit.world.block.BlockState;
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import com.sk89q.worldedit.world.block.BlockState;
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import com.sk89q.worldedit.world.block.BlockStateHolder;
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import com.sk89q.worldedit.world.block.BlockStateHolder;
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import com.sk89q.worldedit.world.block.BlockTypes;
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import com.sk89q.worldedit.world.block.BlockTypes;
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import net.jpountz.util.UnsafeUtils;
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import org.apache.logging.log4j.Logger;
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import org.apache.logging.log4j.Logger;
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import javax.annotation.Nullable;
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import javax.annotation.Nullable;
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@ -31,8 +32,6 @@ import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.IOException;
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import java.io.RandomAccessFile;
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import java.io.RandomAccessFile;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.net.URI;
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import java.net.URI;
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import java.nio.ByteBuffer;
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import java.nio.ByteBuffer;
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import java.nio.MappedByteBuffer;
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import java.nio.MappedByteBuffer;
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@ -280,27 +279,7 @@ public class DiskOptimizedClipboard extends LinearClipboard implements Closeable
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if (cb == null || !cb.isDirect()) {
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if (cb == null || !cb.isDirect()) {
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return;
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return;
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}
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}
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// we could use this type cast and call functions without reflection code,
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UnsafeUtils.getUNSAFE().invokeCleaner(cb);
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// but static import from sun.* package is risky for non-SUN virtual machine.
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//try { ((sun.nio.ch.DirectBuffer)cb).cleaner().clean(); } catch (Exception ex) { }
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try {
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Method cleaner = cb.getClass().getMethod("cleaner");
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cleaner.setAccessible(true);
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Method clean = Class.forName("sun.misc.Cleaner").getMethod("clean");
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clean.setAccessible(true);
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clean.invoke(cleaner.invoke(cb));
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} catch (Exception ex) {
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try {
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final Class<?> unsafeClass = Class.forName("sun.misc.Unsafe");
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final Field theUnsafeField = unsafeClass.getDeclaredField("theUnsafe");
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theUnsafeField.setAccessible(true);
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final Object theUnsafe = theUnsafeField.get(null);
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final Method invokeCleanerMethod = unsafeClass.getMethod("invokeCleaner", ByteBuffer.class);
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invokeCleanerMethod.invoke(theUnsafe, cb);
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} catch (Exception e) {
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System.gc();
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}
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}
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}
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}
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@Override
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@Override
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