From 399544801497c466b9af4dc01f6decf8214f04cb Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Thu, 19 Dec 2024 14:24:26 -0500
Subject: [PATCH] fixed possible crash at shutdown

---
 libi2pd/Transports.cpp | 7 +++++++
 libi2pd/Transports.h   | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/libi2pd/Transports.cpp b/libi2pd/Transports.cpp
index 06bd724d..f3f9e5e4 100644
--- a/libi2pd/Transports.cpp
+++ b/libi2pd/Transports.cpp
@@ -55,6 +55,13 @@ namespace transport
 			m_Thread->join ();
 			m_Thread = nullptr;
 		}
+		if (!m_Queue.empty ())
+		{
+			// clean up queue
+			std::queue<std::shared_ptr<Keys> > tmp;
+	   		std::swap (m_Queue, tmp);
+		}
+		m_KeysPool.CleanUpMt ();
 	}
 
 	template<typename Keys>
diff --git a/libi2pd/Transports.h b/libi2pd/Transports.h
index 85330162..c1acbb2e 100644
--- a/libi2pd/Transports.h
+++ b/libi2pd/Transports.h
@@ -54,8 +54,8 @@ namespace transport
 		private:
 
 			const int m_QueueSize;
-			std::queue<std::shared_ptr<Keys> > m_Queue;
 			i2p::util::MemoryPoolMt<Keys> m_KeysPool;
+			std::queue<std::shared_ptr<Keys> > m_Queue;
 
 			bool m_IsRunning;
 			std::unique_ptr<std::thread> m_Thread;