tweaked crash_gen tool

tests/pytest/crash_gen.py

@@ -1192,6 +1192,7 @@ class StateMechine:
             # case of multiple creation and drops
 
         if self._curState.canDropDb():
+            if gSvcMgr == None: # only if we are not restarting service
                 self._curState.assertIfExistThenSuccess(tasks, TaskDropDb)
             # self.assertAtMostOneSuccess(tasks, DropDbTask) # not really in
             # case of drop-create-drop
@@ -1366,8 +1367,10 @@ class TaskExecutor():
         def __init__(self, size=10):
             self._size = size
             self._list = []
+            self._lock = threading.Lock()
 
         def add(self, n: int):
+            with self._lock:
                 if not self._list:  # empty
                     self._list.append(n)
                     return
@@ -1497,6 +1500,9 @@ class Task():
                 return True
             elif msg.find("duplicated column names") != -1: # also alter table tag issues
                 return True
+        elif (gSvcMgr!=None) and gSvcMgr.isRestarting():
+            logger.info("Ignoring error when service is restarting: errno = {}, msg = {}".format(errno, msg))
+            return True
         
         return False # Not an acceptable error
 
@@ -2196,7 +2202,7 @@ class SvcManager:
             
             self.svcMgrThread = ServiceManagerThread()  # create the object
             self.svcMgrThread.start()
-            print("TAOS service started, printing out output...")
+            print("Attempting to start TAOS service started, printing out output...")
             self.svcMgrThread.procIpcBatch(
                 trimToTarget=10,
                 forceOutput=True)  # for printing 10 lines
@@ -2397,6 +2403,9 @@ class ServiceManagerThread:
 
             if self._status == MainExec.STATUS_STARTING:  # we are starting, let's see if we have started
                 if line.find(self.TD_READY_MSG) != -1:  # found
+                    logger.info("Waiting for the service to become FULLY READY")
+                    time.sleep(1.0) # wait for the server to truly start. TODO: remove this
+                    logger.info("Service is now FULLY READY")   
                     self._status = MainExec.STATUS_RUNNING                 
 
             # Trim the queue if necessary: TODO: try this 1 out of 10 times