Refs #5230: if no threads are available, log instead of big scary dlg

mantidproject · May 4, 2012 · 11be3c5 · 11be3c5
1 parent 0913797
commit 11be3c5
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/Code/Mantid/MantidPlot/src/Mantid/MantidUI.cpp b/Code/Mantid/MantidPlot/src/Mantid/MantidUI.cpp
@@ -83,7 +83,8 @@ m_finishedLoadDAEObserver(*this, &MantidUI::handleLoadDAEFinishedNotification),
   m_renameObserver(*this,&MantidUI::handleRenameWorkspace),
   m_groupworkspacesObserver(*this,&MantidUI::handleGroupWorkspaces),
   m_ungroupworkspaceObserver(*this,&MantidUI::handleUnGroupWorkspace),
-  m_appWindow(aw), m_vatesSubWindow(NULL)
+  m_appWindow(aw), m_vatesSubWindow(NULL),
+  g_log(Mantid::Kernel::Logger::get("MantidUI"))
 {
   // To be able to use them in queued signals they need to be registered
   static bool registered_addtional_types = false;
@@ -1617,7 +1618,15 @@ bool MantidUI::executeAlgorithmAsync(Mantid::API::IAlgorithm_sptr alg, const boo
   }
   else
   {
-    alg->executeAsync();
+    try
+    {
+      alg->executeAsync();
+    }
+    catch (Poco::NoThreadAvailableException & e)
+    {
+      g_log.error() << "No thread was available to run the " << alg->name() << " algorithm in the background." << std::endl;
+      return false;
+    }
     return true;
   }
 }

diff --git a/Code/Mantid/MantidPlot/src/Mantid/MantidUI.h b/Code/Mantid/MantidPlot/src/Mantid/MantidUI.h
@@ -524,6 +524,9 @@ public slots:
 
   QMdiSubWindow *m_vatesSubWindow; ///< Holder for the Vates interface sub-window
 
+  /// Logger object
+  Mantid::Kernel::Logger & g_log;
+
 };