| /** |
| * 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.Set; |
| import java.util.Map; |
| |
| 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); |
| } |
| } |