Fix active job signalling.
authorCarl Hetherington <cth@carlh.net>
Tue, 27 Nov 2018 23:08:41 +0000 (23:08 +0000)
committerCarl Hetherington <cth@carlh.net>
Tue, 27 Nov 2018 23:08:41 +0000 (23:08 +0000)
src/lib/job_manager.cc

index 44c81e725aafb8f439fa30eb066b7b840dfc84e7..e2302a2153a01275686c20d724849328bb3c752a 100644 (file)
@@ -153,15 +153,12 @@ JobManager::scheduler ()
 
                boost::mutex::scoped_lock lm (_mutex);
 
-               optional<string> active_job;
-
                while (true) {
                        bool have_new = false;
                        bool have_running = false;
                        BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
                                if (i->running()) {
                                        have_running = true;
-                                       active_job = i->json_name();
                                }
                                if (i->is_new()) {
                                        have_new = true;
@@ -183,23 +180,24 @@ JobManager::scheduler ()
                        if (i->is_new()) {
                                _connections.push_back (i->FinishedImmediate.connect(bind(&JobManager::job_finished, this)));
                                i->start ();
+                               emit (boost::bind (boost::ref (ActiveJobsChanged), _last_active_job, i->json_name()));
+                               _last_active_job = i->json_name ();
                                /* Only start one job at once */
                                break;
                        }
                }
-
-               lm.unlock ();
-
-               if (active_job != _last_active_job) {
-                       emit (boost::bind (boost::ref (ActiveJobsChanged), _last_active_job, active_job));
-                       _last_active_job = active_job;
-               }
        }
 }
 
 void
 JobManager::job_finished ()
 {
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               emit (boost::bind (boost::ref (ActiveJobsChanged), _last_active_job, optional<string>()));
+               _last_active_job = optional<string>();
+       }
+
        _empty_condition.notify_all ();
 }