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Posted to commits@karaf.apache.org by jb...@apache.org on 2021/12/11 16:27:05 UTC
[karaf] branch main updated: [KARAF-7070] Add kill command to interrupt a thread
This is an automated email from the ASF dual-hosted git repository.
jbonofre pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/karaf.git
The following commit(s) were added to refs/heads/main by this push:
new d4f6a51 [KARAF-7070] Add kill command to interrupt a thread
new 8e9ef15 Merge pull request #1464 from jbonofre/KARAF-7070
d4f6a51 is described below
commit d4f6a5152ae9fce33a038503dfeacfa1810ffc65
Author: Jean-Baptiste Onofré <jb...@apache.org>
AuthorDate: Thu Nov 25 08:10:35 2021 +0100
[KARAF-7070] Add kill command to interrupt a thread
---
.../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;
+ }
+
+}