Merge branch 'pr/190'

* pr/190: Compatibility fix: use isAlive instead of is_alive for python < 2.6 Raise exception if monitor thread died unexpectedly when refreshing (likely because of forking)

Author: A. Jesse Jiryu Davis

pymongo/mongo_replica_set_client.py

@@ -325,6 +325,14 @@ def __init__(self, rsc):
  # Track whether the thread has started. (Greenlets track this already.)
  self.started = False
 
+ def schedule_refresh(self):
+ """Override Monitor's schedule_refresh method
+ raise exception as warning if thread is dead
+ """
+ if not self.isAlive():
+ raise Exception("Monitor thread died unexpectedly, used with fork?")
+ super(MonitorThread, self).schedule_refresh()
+
  def start(self):
  self.started = True
  super(MonitorThread, self).start()