Add some core utilities.

[Jhuighuy]

No description provided.

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (07a989f) 12.58% compared to head (159066b) 14.95%.

❗ Current head 159066b differs from pull request most recent head b62c474. Consider uploading reports for the commit b62c474 to get more accurate results

Files	Patch %	Lines
source/tit/core/posix.cpp	86.66%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #7      +/-   ##
==========================================
+ Coverage   12.58%   14.95%   +2.37%     
==========================================
  Files          30       33       +3     
  Lines        1383     1424      +41     
  Branches      245      258      +13     
==========================================
+ Hits          174      213      +39     
- Misses       1205     1206       +1     
- Partials        4        5       +1     

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[sonarqubecloud]

Quality Gate passed

The SonarCloud Quality Gate passed, but some issues were introduced.

4 New issues
0 Security Hotspots
92.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud