Optimize code

[NathanFreeman]

No description provided.

[codecov]

Codecov Report

Merging #5121 (62a429e) into master (9eaa2fd) will increase coverage by 0.00%.
Report is 2 commits behind head on master.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #5121   +/-   ##
=======================================
  Coverage   72.96%   72.96%           
=======================================
  Files          69       69           
  Lines       14845    14849    +4     
=======================================
+ Hits        10832    10835    +3     
- Misses       4013     4014    +1     

Files Changed	Coverage Δ
src/protocol/mime_type.cc	83.87% <100.00%> (-1.85%)	⬇️
src/server/reactor_thread.cc	78.74% <100.00%> (+0.04%)	⬆️

... and 5 files with indirect coverage changes

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[matyhtf]

goto https://github.com/swoole/swoole-src/tree/enhance_http_server