/*
* Copyright (c) 2000, 2002, 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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*/
package sun.nio.ch;
import java.io.FileDescriptor;
import java.io.IOException;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.*;
import java.nio.channels.spi.*;
/**
* File-descriptor based I/O utilities that are shared by NIO classes.
*/
class IOUtil {
private IOUtil() { } // No instantiation
static boolean randomBytes(byte[] someBytes)
{
try
{
if (false) throw new cli.System.Security.Cryptography.CryptographicException();
cli.System.Security.Cryptography.RNGCryptoServiceProvider csp = new cli.System.Security.Cryptography.RNGCryptoServiceProvider();
csp.GetBytes(someBytes);
return true;
}
catch (cli.System.Security.Cryptography.CryptographicException _)
{
return false;
}
}
static void configureBlocking(FileDescriptor fd, boolean blocking) throws IOException
{
Net.configureBlocking(fd, blocking);
}
}