catch(...) exceptions, report it, and rethrow

include/spdlog/details/async_log_helper.h

@@ -279,7 +279,13 @@ inline void spdlog::details::async_log_helper::worker_loop()
         catch (const std::exception &ex)
         {
             _err_handler(ex.what());
-        }      
+        } 
+        catch(...) 
+        {
+            _err_handler("Unknown exeption in worker loop. Terminating worker loop");
+            active = false; 
+
+        }     
     }
     if (_worker_teardown_cb) _worker_teardown_cb();
 

include/spdlog/details/async_logger_impl.h

@@ -97,5 +97,11 @@ inline void spdlog::async_logger::_sink_it(details::log_msg& msg)
     catch (const std::exception &ex)
     {
         _err_handler(ex.what());
-    }   
+    }
+    catch(...) 
+    {
+        _err_handler("Unknown exception in logger " + _name);
+        throw;
+    }
+
 }

include/spdlog/details/logger_impl.h

@@ -76,6 +76,10 @@ inline void spdlog::logger::log(level::level_enum lvl, const char* fmt, const Ar
     catch (const std::exception &ex)
     {
         _err_handler(ex.what());
+    }
+    catch(...) {
+       _err_handler("Unknown exception in logger " + _name);
+       throw;    
     }   
 }