Adding docstring warning on clear-con-pool
[clsql.git] / sql / pool.lisp
index 38d32cdd21a125c543bcbd4471b087c7cd4ffd3b..8a891f41b49b4d930061348c63f0e63b123c0e0c 100644 (file)
@@ -85,8 +85,9 @@ chance to do cleanup."
       ;;not the list). Multiple threads getting to this test at the
       ;;same time might result in the free-connections getting
       ;;longer... meh.
-      ((>= (length (free-connections pool))
-          *db-pool-max-free-connections*)
+      ((and *db-pool-max-free-connections*
+           (>= (length (free-connections pool))
+               *db-pool-max-free-connections*))
        (%pool-force-disconnect database)
        (with-process-lock ((conn-pool-lock pool) "Remove extra Conn")
         (setf (all-connections pool)
@@ -120,6 +121,8 @@ chance to do cleanup."
         (database-execute-command "DISCARD ALL" database)))))
 
 (defun clear-conn-pool (pool)
+  "Be careful this function will disconnect connections without regard
+to whether another thread is actively using them."
   (with-process-lock ((conn-pool-lock pool) "Clear pool")
     (mapc #'%pool-force-disconnect (all-connections pool))
     (setf (all-connections pool) nil