From: Carl Hetherington <cth@carlh.net>
Date: Sat, 24 Dec 2022 22:08:08 +0000 (+0100)
Subject: Fix crash when starting two batch converters at the same time.
X-Git-Tag: v2.16.38~12
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=790db8faab093231664c402fcc33b0b96687e222;p=dcpomatic.git

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

diff --git a/src/tools/dcpomatic_batch.cc b/src/tools/dcpomatic_batch.cc
index dcda39fd8..6e054edf8 100644
--- a/src/tools/dcpomatic_batch.cc
+++ b/src/tools/dcpomatic_batch.cc
@@ -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));