From 91cbe2681037a3ed36c47a74c88af49804844246 Mon Sep 17 00:00:00 2001
From: Rom Walton <romw@romwnet.org>
Date: Tue, 30 Sep 2014 09:34:16 +0200
Subject: [PATCH] VBOX: Try and prevent vboxwrapper from starting the VM if
 BOINC has signaled boinc_status.quit_requit or boinc_status.no_heartbeat.

---
 samples/vboxwrapper/vbox.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/samples/vboxwrapper/vbox.cpp b/samples/vboxwrapper/vbox.cpp
index 05003279a8..cd0fefec08 100644
--- a/samples/vboxwrapper/vbox.cpp
+++ b/samples/vboxwrapper/vbox.cpp
@@ -1266,6 +1266,15 @@ int VBOX_VM::run(bool do_restore_snapshot) {
         if (retval) return retval;
     }
 
+    // Has BOINC signaled that we should quit?
+    // Try to prevent starting the VM in an environment where we might be terminated any
+    // second.  This can happen if BOINC has been told to shutdown or the volunteer has 
+    // told BOINC to switch to a different project.
+    //
+    if (boinc_status.no_heartbeat || boinc_status.quit_request) {
+        return VBOXWRAPPER_ERR_RECOVERABLE;
+    }
+
     // Start the VM
     retval = start();
     if (retval) return retval;