content: /**
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You under the Apache License, Version 2.0
   *  (the "License"); you may not use this file except in compliance with
   *  the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  package org.apache.aries.blueprint.sample;
  
  import java.util.Map;
  import java.util.Set;
  
  import org.osgi.framework.BundleContext;
  import org.osgi.framework.ServiceReference;
  
  public class DodgyListener {
    private BundleContext ctx;
    
    public void setBundleContext(BundleContext ctx) {
      this.ctx = ctx;
    }
    
    public void bind(Set a, Map props) {
      System.out.println("Attempting to provoke deadlock");
      
      Thread t = new Thread() {
        public void run() {
      	// we pretend to be another bundle (otherwise we'll deadlock in Equinox itself :(
      	BundleContext otherCtx = ctx.getBundle(0).getBundleContext();  
      	  
          ServiceReference ref = otherCtx.getServiceReference("java.util.List");
          otherCtx.getService(ref);
        }
      };
      t.start();
      
      // let the other thread go first
      try {
        Thread.sleep(100);
      } catch (Exception e) {}
      
      ServiceReference ref = ctx.getServiceReference("java.util.List");
      ctx.getService(ref);
    }
  }