From 048b713a355431f71dd1c35d091950ee16451cba Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Sat, 3 Jan 2015 11:43:45 +0000
Subject: [PATCH] Can monitor and kill systemn call

git-svn-id: https://svn.argeo.org/slc/trunk@7618 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc
---
 .../slc/core/execution/tasks/SystemCall.java  | 29 ++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/SystemCall.java b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/SystemCall.java
index 6d916462c..d4093ad58 100644
--- a/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/SystemCall.java
+++ b/runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/SystemCall.java
@@ -120,6 +120,10 @@ public class SystemCall implements Runnable {
 	/** Chroot to the this path (must not be empty) */
 	private String chroot = null;
 
+	// Current
+	/** Current watchdog, null if process is completed */
+	ExecuteWatchdog currentWatchdog = null;
+
 	/** Empty constructor */
 	public SystemCall() {
 
@@ -203,7 +207,7 @@ public class SystemCall implements Runnable {
 			executorToUse = executor;
 		else
 			executorToUse = new DefaultExecutor();
-		executorToUse.setWatchdog(new ExecuteWatchdog(watchdogTimeout));
+		executorToUse.setWatchdog(createWatchdog());
 
 		if (redirectStreams) {
 			// Redirect standard streams
@@ -474,6 +478,7 @@ public class SystemCall implements Runnable {
 					testResult.addResultPart(new SimpleResultPart(
 							TestStatus.PASSED, msg));
 				}
+				releaseWatchdog();
 			}
 
 			public void onProcessFailed(ExecuteException e) {
@@ -489,6 +494,7 @@ public class SystemCall implements Runnable {
 					else
 						log.error(msg, e);
 				}
+				releaseWatchdog();
 			}
 		};
 	}
@@ -612,6 +618,27 @@ public class SystemCall implements Runnable {
 		return this;
 	}
 
+	// CONTROL
+	public synchronized Boolean isRunning() {
+		return currentWatchdog != null;
+	}
+
+	private synchronized ExecuteWatchdog createWatchdog() {
+		if (currentWatchdog != null)
+			throw new SlcException("A process is already being monitored");
+		currentWatchdog = new ExecuteWatchdog(watchdogTimeout);
+		return currentWatchdog;
+	}
+
+	private synchronized void releaseWatchdog() {
+		currentWatchdog = null;
+	}
+
+	public synchronized void kill() {
+		if (currentWatchdog != null)
+			currentWatchdog.destroyProcess();
+	}
+
 	/** */
 	public void setCmd(String command) {
 		this.cmd = command;
-- 
2.39.2