diff --git a/update/update.py b/update/update.py
index 8e082fa..50dd30b 100644
--- a/update/update.py
+++ b/update/update.py
@@ -13,10 +13,13 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
+from itertools import ifilter
 
 import sys
 from os import path
 import os
+import time
+from calculate.core.server.gen_pid import search_worked_process
 
 from calculate.lib.utils.tools import AddonError
 from calculate.lib.utils.colortext.palette import TextState
@@ -99,6 +102,24 @@ class Update:
             dv.Set('cl_update_outdate_set', 'on', force=True)
         return True
 
+    def checkRun(self, wait_update):
+        """
+        Проверить повторный запуск
+        """
+        dv = self.clVars
+        if filter(lambda x: os.getpid() != x,
+                  search_worked_process('update', dv)):
+            if not wait_update:
+                raise UpdateError(_("Update is already running. "
+                                    "Try to run later."))
+            else:
+                self.startTask(_("Waiting for complete another update"))
+                while any(ifilter(lambda x: os.getpid() != x,
+                                  search_worked_process('update', dv))):
+                    time.sleep(0.3)
+                self.endTask()
+        return True
+
     def syncRepositories(self, repname, clean_on_error=True):
         """
         Синхронизировать репозитории
diff --git a/update/utils/cl_update.py b/update/utils/cl_update.py
index 5a89b7b..b16d018 100644
--- a/update/utils/cl_update.py
+++ b/update/utils/cl_update.py
@@ -202,6 +202,8 @@ class ClUpdateAction(Action):
 
     # список задач для дейсвия
     tasks = [
+        {'name': 'check_run',
+         'method': 'Update.checkRun(cl_update_wait_another_set)'},
         {'name': 'reps_synchronization',
          'group': __("Repository synchronization"),
          'tasks': [
diff --git a/update/variables/update.py b/update/variables/update.py
index a000e45..f8e4851 100644
--- a/update/variables/update.py
+++ b/update/variables/update.py
@@ -413,3 +413,15 @@ class VariableClUpdateSyncOnlySet(Variable):
                     self.Get('cl_update_metadata_force') != "force" and
                     self.Get('cl_update_eixupdate_force') != "force"):
             raise VariableError(_("Select at least one sync repository"))
+
+class VariableClUpdateWaitAnotherSet(Variable):
+    """
+    Ждать завершения другого процесса обновления
+    """
+    type = "bool"
+    value = "on"
+    opt = ["--wait-another-update"]
+
+    def init(self):
+        self.label = _("Wait for complete another update")
+        self.help = _("wait until the other updates or abort")
diff --git a/update/wsdl_update.py b/update/wsdl_update.py
index d2febbf..10ec376 100644
--- a/update/wsdl_update.py
+++ b/update/wsdl_update.py
@@ -70,6 +70,7 @@ class Wsdl(WsdlBase):
                                     'cl_update_pretend_set',
                                     'cl_update_eixupdate_force',
                                     'cl_update_sync_only_set',
+                                    'cl_update_wait_another_set',
                                     'cl_templates_locate',
                                     'cl_verbose_set', 'cl_dispatch_conf'),
                                     next_label=_("Update"))]},