From d2daff42e8170f884c1d20c446928d25b68f136f Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Fri, 7 Mar 2014 16:24:55 +0100
Subject: Condition.notify only does nothing if no thread is waiting
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 src/join.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/join.py b/src/join.py
index efff6e1..7d4be9f 100644
--- a/src/join.py
+++ b/src/join.py
@@ -123,7 +123,8 @@ def join(*fs):
     rc = []
     for f in fs:
         f.condition.acquire()
-        f.condition.wait()
+        if not len(f.queue):
+            f.condition.wait()
         rc.append(f.queue.pop(0))
         f.condition.release()
     return rc[0] if len(fs) == 1 else rc
-- 
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