From c10e08c3896343cc7ddffe1dd7b1d09da2f8548e Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 7 Jun 2021 20:20:10 +0800
Subject: import(life): ...

---
 works/life/computer-network-experiment/Output.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'works/life/computer-network-experiment/Output.h')

diff --git a/works/life/computer-network-experiment/Output.h b/works/life/computer-network-experiment/Output.h
index 2d16eb0..689c3d3 100644
--- a/works/life/computer-network-experiment/Output.h
+++ b/works/life/computer-network-experiment/Output.h
@@ -8,6 +8,7 @@
 #include <folly/MPMCQueue.h>
 
 #include <iostream>
+#include <mutex>
 #include <thread>
 
 enum class OutputType { Normal, Error };
@@ -63,4 +64,4 @@ void OutputThread();
 
 void SignalAndWaitForOutputThreadStop();
 
-extern std::thread output_thread;
+std::lock_guard<std::mutex> BlockOutputThread();
-- 
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