From ad811cdc2b33c0fc72fdd3ae684a5c3763033d90 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Sat, 8 May 2010 16:41:01 -0400
Subject: [PATCH] Fix unused-variable warning when building with threads
 disabled

---
 bufferevent-internal.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bufferevent-internal.h b/bufferevent-internal.h
index 17737bfc..34914366 100644
--- a/bufferevent-internal.h
+++ b/bufferevent-internal.h
@@ -352,6 +352,10 @@ int _bufferevent_generic_adj_timeouts(struct bufferevent *bev);
  * bufferevent_private. */
 #define BEV_UPCAST(b) EVUTIL_UPCAST((b), struct bufferevent_private, bev)
 
+#ifdef _EVENT_DISABLE_THREAD_SUPPORT
+#define BEV_LOCK(b) _EVUTIL_NIL_STMT
+#define BEV_UNLOCK(b) _EVUTIL_NIL_STMT
+#else
 /** Internal: Grab the lock (if any) on a bufferevent */
 #define BEV_LOCK(b) do {						\
 		struct bufferevent_private *locking =  BEV_UPCAST(b);	\
@@ -363,6 +367,8 @@ int _bufferevent_generic_adj_timeouts(struct bufferevent *bev);
 		struct bufferevent_private *locking =  BEV_UPCAST(b);	\
 		EVLOCK_UNLOCK(locking->lock, 0);			\
 	} while (0)
+#endif
+
 
 /* ==== For rate-limiting. */