Fix crash with no Film.

[dcpomatic.git] / src / lib / server_finder.cc

diff --git a/src/lib/server_finder.cc b/src/lib/server_finder.cc
index 4b532f98129d4f70386040d9dfc182761973312f..642767e8bdda60f1c5e2f751619015da886c4382 100644 (file)
--- a/src/lib/server_finder.cc
+++ b/src/lib/server_finder.cc
@@ -63,11 +63,13 @@ ServerFinder::~ServerFinder ()
 
        _search_condition.notify_all ();
        if (_search_thread) {
+               DCPOMATIC_ASSERT (_search_thread->joinable ());
                _search_thread->join ();
        }
 
        _listen_io_service.stop ();
        if (_listen_thread) {
+               DCPOMATIC_ASSERT (_listen_thread->joinable ());
                _listen_thread->join ();
        }
 }