Give every worker a reference to the scheduler's gc

rt/include/typon/core/scheduler.hpp

@@ -98,6 +98,11 @@ namespace typon
       , _concurrency(concurrency)
       , _gc(concurrency)
     {
+      for (uint i = 0; i < concurrency; i++)
+      {
+        _worker[i]._gc = &_gc;
+      }
+
       thread_id = concurrency;
 
       for (uint id = 0; id < concurrency; id++)
@@ -137,11 +142,7 @@ namespace typon
           _notifyer.notify_one();
         }
       }
-      auto garbage = _worker[thread_id].resume(work);
-      if (garbage)
-      {
-        _gc.retire(garbage);
-      }
+      _worker[thread_id].resume(work);
       _actives.fetch_sub(1);
     }
 

rt/include/typon/core/worker.hpp

@@ -45,6 +45,7 @@ namespace typon
     std::mutex _mutex;
     std::atomic<Deque *> _active {nullptr};
     std::vector<Deque *> _pool;
+    fdt::lock_free::garbage_collector * _gc;
 
     ~Worker()
     {
@@ -58,17 +59,17 @@ namespace typon
       }
     }
 
-    Deque * resume(Work & work) noexcept
+    void resume(Work & work) noexcept
     {
       auto active = _active.load();
       if (work._state == Work::Resumable)
       {
         _active.store(work._deque);
-        work._deque->resume();
         if (active)
         {
-          return active;
+          _gc->retire(active);
         }
+        work._deque->resume();
       }
       else
       {
@@ -78,7 +79,6 @@ namespace typon
         }
         work._task.resume();
       }
-      return nullptr;
     }
 
     void add(Deque * deque) noexcept