From 52e36feda153e70cd08d624df73035b7e59a95ef Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 17 Aug 2011 14:44:16 -0400
Subject: Call evthread_use_windows_threads when running with IOCP on windows

---
 src/common/compat_libevent.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/common/compat_libevent.c b/src/common/compat_libevent.c
index c338dd6c05..8752de7492 100644
--- a/src/common/compat_libevent.c
+++ b/src/common/compat_libevent.c
@@ -19,6 +19,7 @@
 
 #ifdef HAVE_EVENT2_EVENT_H
 #include <event2/event.h>
+#include <event2/thread.h>
 #else
 #include <event.h>
 #endif
@@ -183,8 +184,10 @@ tor_libevent_initialize(tor_libevent_cfg *torcfg)
     struct event_config *cfg = event_config_new();
 
 #if defined(MS_WINDOWS) && defined(USE_BUFFEREVENTS)
-    if (! torcfg->disable_iocp)
+    if (! torcfg->disable_iocp) {
+      evthread_use_windows_threads();
       event_config_set_flag(cfg, EVENT_BASE_FLAG_STARTUP_IOCP);
+    }
 #endif
 
 #if defined(LIBEVENT_VERSION_NUMBER) && LIBEVENT_VERSION_NUMBER >= V(2,0,7)
-- 
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