Fix crash when starting two batch converters at the same time.

[dcpomatic.git] / src / tools / dcpomatic_batch.cc

diff --git a/src/tools/dcpomatic_batch.cc b/src/tools/dcpomatic_batch.cc
index 79f1b39fa0f7080efda7cef3c9759bb5f37410dd..6e054edf8d8921b2b3793bfe4dcebe398f7d514a 100644 (file)
--- a/src/tools/dcpomatic_batch.cc
+++ b/src/tools/dcpomatic_batch.cc
@@ -401,7 +401,7 @@ class App : public wxApp
                SetAppName (_("DCP-o-matic Batch Converter"));
                is_batch_converter = true;
 
-               Config::FailedToLoad.connect (boost::bind(&App::config_failed_to_load, this));
+               Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
                Config::Warning.connect (boost::bind(&App::config_warning, this, _1));
 
                auto splash = maybe_show_splash ();
@@ -442,8 +442,12 @@ class App : public wxApp
                }
                _frame->Show ();
 
-               auto server = new JobServer (_frame);
-               new thread (boost::bind (&JobServer::run, server));
+               try {
+                       auto server = new JobServer (_frame);
+                       new thread (boost::bind (&JobServer::run, server));
+               } catch (boost::system::system_error& e) {
+                       error_dialog(_frame, _("Could not listen for new batch jobs.  Perhaps another instance of the DCP-o-matic Batch Converter is running."));
+               }
 
                signal_manager = new wxSignalManager (this);
                this->Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
@@ -488,9 +492,9 @@ class App : public wxApp
                return true;
        }
 
-       void config_failed_to_load ()
+       void config_failed_to_load(Config::LoadFailure what)
        {
-               message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
+               report_config_load_failure(_frame, what);
        }
 
        void config_warning (string m)