From 42f7fc1876cbe68569771b97a8935fbca7fa3ee4 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 7 Jun 2021 20:42:28 +0800
Subject: import(life): ...

---
 works/life/computer-network-experiment/Output.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

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

diff --git a/works/life/computer-network-experiment/Output.cpp b/works/life/computer-network-experiment/Output.cpp
index db97e5e..fbbd6ba 100644
--- a/works/life/computer-network-experiment/Output.cpp
+++ b/works/life/computer-network-experiment/Output.cpp
@@ -47,7 +47,7 @@ void PrintOutput(const Output &output) {
 
 void OutputThread() {
   while (true) {
-    m.lock();
+    std::lock_guard<std::mutex> guard(m);
 
     if (cancellation_source.getToken().isCancellationRequested()) {
       while (true) {
@@ -63,8 +63,6 @@ void OutputThread() {
     Output output;
     if (output_queue.readIfNotEmpty(output))
       PrintOutput(output);
-
-    m.unlock();
   }
 }
 
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