From 84f2126d148b78a5310378a243fd3bc822f467b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20Laval?= <jeremie.laval@gmail.com>
Date: Mon, 20 Sep 2010 22:18:32 +0100
Subject: [PATCH] Fix possible race due to multiple concurrent assignement of
 the wait event in PendingCall.

---
 src/PendingCall.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PendingCall.cs b/src/PendingCall.cs
index 09e5e16..01d097e 100644
--- a/src/PendingCall.cs
+++ b/src/PendingCall.cs
@@ -39,7 +39,7 @@ public Message Reply
 					conn.DispatchSignals ();
 				} else {
 					if (waitHandle == null)
-						waitHandle = new ManualResetEvent (false);
+						Interlocked.CompareExchange (ref waitHandle, new ManualResetEvent (false), null);
 
 					// TODO: Possible race condition?
 					while (reply == null)