+/* Copyright (c) 2016. The SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+/* This test ensures that the used semaphores are not garbage-collected while we still use it.
+ * This was reported as bug #... on gforge.
+ */
+
+package semaphore;
+
+import org.simgrid.msg.*;
+import org.simgrid.msg.Process;
+import org.simgrid.trace.Trace;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+class SemCreator extends Process {
+ Semaphore sem;
+
+ SemCreator(Host h, String n){
+ super(h, n);
+ }
+
+ public void main(String[] args) throws MsgException{
+ int j;
+ Msg.info("Creating 150 new Semaphores, yielding and triggering a GC after each");
+ for(j = 1; j <= 150; j++) {
+ sem = new Semaphore(0);
+ waitFor(10);
+ System.gc();
+ }
+ Msg.info("It worked, we survived. The test is passed.");
+ }
+}
+
+
+public class SemaphoreGC {
+ public static void main(String[] args) throws Exception {
+
+ Msg.init(args);
+ if (args.length < 1) {
+ Msg.info("Usage: java -cp simgrid.jar:. semaphore.SemaphoreGC <deployment.xml>");
+ System.exit(1);
+ }
+ Msg.createEnvironment(args[0]);
+
+ Host[] hosts = Host.all();
+ new SemCreator(hosts[0], "SemCreator").start();
+
+ Msg.run();
+ }
+
+}
