This is an automated email from the ASF dual-hosted git repository. jbonofre pushed a commit to branch karaf-4.2.x in repository https://gitbox.apache.org/repos/asf/karaf.git
The following commit(s) were added to refs/heads/karaf-4.2.x by this push: new 0916627 [KARAF-7070] Add kill command to interrupt a thread 0916627 is described below commit 09166279a8cdad1bff6268d26b6c8256c3e0397f Author: Jean-Baptiste Onofré <jbono...@apache.org> AuthorDate: Thu Nov 25 08:10:35 2021 +0100 [KARAF-7070] Add kill command to interrupt a thread (cherry picked from commit d4f6a5152ae9fce33a038503dfeacfa1810ffc65) --- .../shell/commands/impl/ThreadKillAction.java | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/ThreadKillAction.java b/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/ThreadKillAction.java new file mode 100644 index 0000000..8060918 --- /dev/null +++ b/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/ThreadKillAction.java @@ -0,0 +1,58 @@ +/* + * 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.karaf.shell.commands.impl; + +import org.apache.karaf.shell.api.action.Action; +import org.apache.karaf.shell.api.action.Argument; +import org.apache.karaf.shell.api.action.Command; +import org.apache.karaf.shell.api.action.lifecycle.Service; + +@Command(scope = "shell", name = "kill", description = "Interrupt a given thread") +@Service +public class ThreadKillAction implements Action { + + @Argument(name = "id", description = "Interrupt the thread with this id", required = true, multiValued = false) + Long id; + + @Override + public Object execute() throws Exception { + ThreadGroup threadGroup = Thread.currentThread().getThreadGroup(); + while (threadGroup.getParent() != null) { + threadGroup = threadGroup.getParent(); + } + + Thread[] threadList = new Thread[threadGroup.activeCount()]; + + int count = threadGroup.enumerate(threadList, true); + for (int i = 0; i < count; i++) { + if (threadList[i].getId() == id) { + try { + System.out.println("Interrupting " + threadList[i].getName() + " (" + threadList[i].getId() + ")"); + threadList[i].interrupt(); + } catch (Exception e) { + System.err.println("Can't interrtupt: " + e.getMessage()); + } + return null; + } + } + + System.err.println("kill " + id + " failed: no such thread"); + + return null; + } + +}