perf: refactor receive loop to avoid busy threads

[Tochemey]

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[codecov]

Codecov Report

Attention: Patch coverage is 88.23529% with 2 lines in your changes missing coverage. Please review.

Project coverage is 85.98%. Comparing base (7369b9c) to head (4c3767b).
Report is 3 commits behind head on main.

Files	Patch %	Lines
actors/pid.go	88.23%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #443      +/-   ##
==========================================
- Coverage   86.00%   85.98%   -0.03%     
==========================================
  Files          47       47              
  Lines        3545     3553       +8     
==========================================
+ Hits         3049     3055       +6     
- Misses        349      350       +1     
- Partials      147      148       +1     

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