override join for isolated threadpool

llarp/threadpool.cpp

@@ -143,6 +143,18 @@ namespace llarp
 #endif
     }
 
+    void
+    IsolatedPool::Join()
+    {
+      Pool::Join();
+      if(m_isolated)
+      {
+        m_isolated->join();
+        delete m_isolated;
+        m_isolated = nullptr;
+      }
+    }
+
   }  // namespace thread
 }  // namespace llarp
 

llarp/threadpool.hpp

@@ -58,6 +58,9 @@ namespace llarp
       void
       Spawn(int workers, const char* name);
 
+      void
+      Join();
+
       std::thread* m_isolated    = nullptr;
       int m_IsolatedWorkers      = 0;
       const char* m_IsolatedName = nullptr;