From 6cdd46d0c65094d5340df10b53828ada6041a074 Mon Sep 17 00:00:00 2001
From: donovan <donovan@ell-ee-dee.local>
Date: Wed, 11 Jun 2008 13:18:24 -0700
Subject: [PATCH] Don't have a KeyError if we're not tracking a pid; not sure
 if this is correct behavior.

---
 eventlet/util.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/eventlet/util.py b/eventlet/util.py
index 6547c8d..6400584 100644
--- a/eventlet/util.py
+++ b/eventlet/util.py
@@ -158,7 +158,9 @@ def wrap_pipes_with_coroutine_pipes():
         return pid
     def new_waitpid(pid, options):
         from eventlet import processes
-        evt = processes.CHILD_EVENTS[pid]
+        evt = processes.CHILD_EVENTS.get(pid)
+        if not evt:
+            return 0, 0
         if options == os.WNOHANG:
             if evt.ready():
                 return pid, evt.wait()