From 63e807b0b4eb2a781f5800b508c74b1415aba87b Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Thu, 6 Feb 2020 10:53:45 -0500
Subject: [PATCH] fixed crash on stop

---
 libi2pd_client/SAM.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/libi2pd_client/SAM.cpp b/libi2pd_client/SAM.cpp
index bc4812bb..138e39cf 100644
--- a/libi2pd_client/SAM.cpp
+++ b/libi2pd_client/SAM.cpp
@@ -1042,9 +1042,12 @@ namespace client
 			LogPrint (eLogError, "SAM: runtime exception: ", ex.what ());
 		}
 
-		for (auto& it: m_Sessions)
-			it.second->CloseStreams ();
-		m_Sessions.clear ();
+		{
+			std::unique_lock<std::mutex> l(m_SessionsMutex);
+			for (auto& it: m_Sessions)
+				it.second->CloseStreams ();
+			m_Sessions.clear ();
+		}
 		StopIOService ();
 	}