From 90e626b52c75e9e117494f15f57177aaf912468c Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan@nitrokey.com>
Date: Fri, 13 Jan 2017 10:43:15 +0100
Subject: Add lock_guard for complete send-receive cycle

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>
---
 include/device_proto.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/device_proto.h b/include/device_proto.h
index 667b8db..31bfe11 100644
--- a/include/device_proto.h
+++ b/include/device_proto.h
@@ -32,6 +32,8 @@
 #define PWS_SEND_TAB 2
 #define PWS_SEND_CR 3
 
+#include <mutex>
+
 namespace nitrokey {
     namespace proto {
 /*
@@ -204,13 +206,15 @@ namespace nitrokey {
               bzero(&st, sizeof(st));
             }
 
-
             static ClearingProxy<ResponsePacket, response_payload> run(device::Device &dev,
                                                                        const command_payload &payload) {
               using namespace ::nitrokey::device;
               using namespace ::nitrokey::log;
               using namespace std::chrono_literals;
 
+              static std::mutex send_receive_mtx;
+              std::lock_guard<std::mutex> guard(send_receive_mtx);
+
               Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
 
               int status;
-- 
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