diff --git a/common/config.py b/common/config.py
index f8ae075..3aee48f 100644
--- a/common/config.py
+++ b/common/config.py
@@ -130,6 +130,11 @@
                default=30,
                help="Timeout in seconds to wait for adding or removing child"
                     "process after receiving of sighup signal"),
+    cfg.IntOpt('sighup_config_edit_retries',
+               default=10,
+               help='Count of retries to edit config file during sighup. If '
+                    'another worker already edit config file, file can be '
+                    'busy, so need to wait and try edit file again.'),
     cfg.StrOpt('heat-config-notify-script',
                default=('heat-config-notify'),
                help="Path to the script heat-config-notify"),