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Diffstat (limited to 'org.eclipse.debug.core/core/org/eclipse/debug/internal/core/groups/observer/ProcessObserver.java')
-rw-r--r--org.eclipse.debug.core/core/org/eclipse/debug/internal/core/groups/observer/ProcessObserver.java54
1 files changed, 54 insertions, 0 deletions
diff --git a/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/groups/observer/ProcessObserver.java b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/groups/observer/ProcessObserver.java
new file mode 100644
index 000000000..7261d9234
--- /dev/null
+++ b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/groups/observer/ProcessObserver.java
@@ -0,0 +1,54 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 2016 SSI Schaefer and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * SSI Schaefer
+ *******************************************************************************/
+package org.eclipse.debug.internal.core.groups.observer;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.debug.core.model.IProcess;
+
+/**
+ * The {@code ProcessObserver} observes a given {@linkplain IProcess process} instance and notifies
+ * a {@linkplain CountDownLatch synchronization object} when the process terminates.
+ */
+public final class ProcessObserver implements Callable<Integer> {
+ private final IProcess p;
+ private final IProgressMonitor pMonitor;
+ private final CountDownLatch countDownLatch;
+
+ public ProcessObserver(IProgressMonitor monitor, IProcess p, CountDownLatch countDownLatch) {
+ this.p = p;
+ this.pMonitor = monitor;
+ this.countDownLatch = countDownLatch;
+ }
+
+ @Override
+ public Integer call() throws Exception {
+ try {
+ while (!p.isTerminated() && !pMonitor.isCanceled()) {
+ TimeUnit.MILLISECONDS.sleep(250);
+
+ if (countDownLatch.getCount() == 0) {
+ break;
+ }
+ }
+ // check if terminated or timeout
+ if (p.isTerminated()) {
+ return p.getExitValue();
+ }
+ return 0;
+ } finally {
+ countDownLatch.countDown();
+ }
+ }
+}

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