fix #4058

[matyhtf]

No description provided.

[codecov]

Codecov Report

Merging #4158 (1460883) into master (91bf243) will increase coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4158      +/-   ##
==========================================
+ Coverage   48.78%   48.85%   +0.07%     
==========================================
  Files          71       71              
  Lines       14282    14282              
==========================================
+ Hits         6967     6978      +11     
+ Misses       7315     7304      -11     

Impacted Files	Coverage Δ
src/os/async_thread.cc	69.29% <0.00%> (-0.44%)	⬇️
src/server/port.cc	50.27% <0.00%> (+0.27%)	⬆️
src/coroutine/socket.cc	39.44% <0.00%> (+0.47%)	⬆️
src/protocol/base.cc	65.13% <0.00%> (+3.94%)	⬆️

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