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8205612: (fc) Files.readAllBytes fails with ClosedByInterruptException when interrupt status set

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Reviewed-by: bpb
This commit is contained in:
Alan Bateman 2018-06-26 08:13:02 +01:00
parent 4e844fe623
commit 807c4ae4a3
4 changed files with 233 additions and 46 deletions
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6
src/java.base/share/classes/java/nio/file/Files.java
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@ -77,6 +77,7 @@ import java.util.function.BiPredicate;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import sun.nio.ch.FileChannelImpl;
import sun.nio.fs.AbstractFileSystemProvider;
/**
@ -3203,10 +3204,11 @@ public final class Files {
public static byte[] readAllBytes(Path path) throws IOException {
try (SeekableByteChannel sbc = Files.newByteChannel(path);
InputStream in = Channels.newInputStream(sbc)) {
if (sbc instanceof FileChannelImpl)
((FileChannelImpl) sbc).setUninterruptible();
long size = sbc.size();
if (size > (long)MAX_BUFFER_SIZE)
if (size > (long) MAX_BUFFER_SIZE)
throw new OutOfMemoryError("Required array size too large");
return read(in, (int)size);
}
}

56
src/java.base/share/classes/java/nio/file/spi/FileSystemProvider.java
View file

@ -25,18 +25,54 @@
package java.nio.file.spi;
import java.nio.file.*;
import java.nio.file.attribute.*;
import java.nio.channels.*;
import java.nio.channels.AsynchronousFileChannel;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.SeekableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.nio.file.AccessDeniedException;
import java.nio.file.AccessMode;
import java.nio.file.AtomicMoveNotSupportedException;
import java.nio.file.CopyOption;
import java.nio.file.DirectoryNotEmptyException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileAlreadyExistsException;
import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.FileSystemAlreadyExistsException;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.LinkPermission;
import java.nio.file.NoSuchFileException;
import java.nio.file.NotDirectoryException;
import java.nio.file.NotLinkException;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.net.URI;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.util.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.FileAttributeView;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.ServiceConfigurationError;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.security.AccessController;
import java.security.PrivilegedAction;
import sun.nio.ch.FileChannelImpl;
/**
* Service-provider class for file systems. The methods defined by the {@link
* java.nio.file.Files} class will typically delegate to an instance of this
@ -381,7 +417,11 @@ public abstract class FileSystemProvider {
throw new UnsupportedOperationException("'" + opt + "' not allowed");
}
}
return Channels.newInputStream(Files.newByteChannel(path, options));
ReadableByteChannel rbc = Files.newByteChannel(path, options);
if (rbc instanceof FileChannelImpl) {
((FileChannelImpl) rbc).setUninterruptible();
}
return Channels.newInputStream(rbc);
}
private static final Set<OpenOption> DEFAULT_OPEN_OPTIONS =
@ -435,7 +475,11 @@ public abstract class FileSystemProvider {
}
opts.add(StandardOpenOption.WRITE);
}
return Channels.newOutputStream(newByteChannel(path, opts));
WritableByteChannel wbc = newByteChannel(path, opts);
if (wbc instanceof FileChannelImpl) {
((FileChannelImpl) wbc).setUninterruptible();
}
return Channels.newOutputStream(wbc);
}
/**