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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/* @test
* @bug 6645197
* @run main/othervm -Xmx5m TemporarySelector
* @summary Timed read with socket adaptor throws ClosedSelectorException if temporary selector GC'ed.
*/
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
public class TemporarySelector {
static volatile boolean done = false;
public static void main(String[] args) throws Exception {
Runnable r = new Runnable() {
public void run() {
while (!done) {
System.gc();
try {
Thread.sleep(1000);
} catch (Exception e) {
}
}
}
};
try {
// Create a server socket that will open and accept on loopback connection
ServerSocketChannel ssc = ServerSocketChannel.open();
final ServerSocket ss = ssc.socket();
ss.bind(new InetSocketAddress(0));
int localPort = ss.getLocalPort();
// Create a client socket that will connect and read
System.out.println("Connecting to server socket");
System.out.flush();
SocketChannel channel = SocketChannel.open(new InetSocketAddress("localhost", localPort));
System.out.println("Connected to server socket");
System.out.flush();
// Create a thread to try and cause the GC to run
Thread t = new Thread(r);
t.start();
byte[] buffer = new byte[500];
System.out.println("Reading from socket input stream");
System.out.flush();
Socket socket = channel.socket();
socket.setSoTimeout(10000); // The timeout must be set
// to trigger this bug
try {
socket.getInputStream().read(buffer);
} catch (java.net.SocketTimeoutException ste) {
// no java.nio.channels.ClosedSelectorException
}
} finally {
done = true;
}
}
}