[GitHub] [qpid-dispatch] ganeshmurthy commented on a change in pull request #1191: DISPATCH-1962 Update qdr_core_subscribe leak fix so it does not cause qdr_delivery_cleanup_t leak

[GitBox <gi...@apache.org>]

ganeshmurthy commented on a change in pull request #1191:
URL: https://github.com/apache/qpid-dispatch/pull/1191#discussion_r627702199



##########
File path: src/router_core/router_core.c
##########
@@ -236,6 +236,33 @@ void qdr_core_free(qdr_core_t *core)
         link = DEQ_HEAD(core->open_links);
     }
 
+    // finalize modules while we can still submit new actions
+    // this must happen after qdrc_endpoint_do_cleanup_CT calls
+    qdr_modules_finalize(core);
+
+    // discard any left over actions
+
+    qdr_action_list_t  action_list;
+    DEQ_MOVE(core->action_list, action_list);
+    DEQ_APPEND(action_list, core->action_list_background);
+    qdr_action_t *action = DEQ_HEAD(action_list);
+    while (action) {
+        DEQ_REMOVE_HEAD(action_list);
+        action->action_handler(core, action, true);
+        free_qdr_action_t(action);
+        action = DEQ_HEAD(action_list);
+    }
+
+    // Drain the general work lists
+    qdr_general_handler(core);
+
+    sys_thread_free(core->thread);
+    sys_cond_free(core->action_cond);
+    sys_mutex_free(core->action_lock);
+    sys_mutex_free(core->work_lock);
+    sys_mutex_free(core->id_lock);
+    qd_timer_free(core->work_timer);
+
     //
     // Clean up any qdr_delivery_cleanup_t's that are still left in the core->delivery_cleanup_list
     //

Review comment:
       If qdr_modules_finalize must run before clean up of any qdr_delivery_cleanup_t's, why not just move the code that loops over delivery_cleanup_list, after the call to qdr_modules_finalize(core); ?




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