From 2a08bb5feb1d6809c7dbb4d436d973e0dd5e0cbf Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Sat, 14 Jul 2012 20:37:31 +0000
Subject: [PATCH] fix shutdown hang issue in connection queue

---
 ChangeLog                | 2 ++
 src/connection_queue.cpp | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index b02bd5b2f..71e0de139 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 	* fix uTP edge case where udp socket buffer fills up
 	* fix nagle implementation in uTP
 
+	* fix race condition causing shutdown hang
+
 0.16.2 release
 
 	* fix permissions issue on linux whith noatime enabled for non-owned files
diff --git a/src/connection_queue.cpp b/src/connection_queue.cpp
index 34f031944..3a4caaa26 100644
--- a/src/connection_queue.cpp
+++ b/src/connection_queue.cpp
@@ -277,7 +277,8 @@ namespace libtorrent
 #endif
 
 		TORRENT_ASSERT(!e || e == error::operation_aborted);
-		if (e) return;
+		if (e && m_num_connecting == 0)
+			return;
 
 		ptime next_expire = max_time();
 		ptime now = time_now_hires() + milliseconds(100);