fix: add platform-specific functions for process management syscall

[chengfang]

Fixes #1512
in master-annotation-based branch, cherry-pick from #1541

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 9ef60994-eabd-4ae1-9094-30833922b895

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

📝 Coding Plan

• Generate coding plan for human review comments

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

Tip

CodeRabbit can use your project's `golangci-lint` configuration to improve the quality of Go code reviews.

Add a configuration file to your project to customize how CodeRabbit runs golangci-lint.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.34%. Comparing base (0d348ba) to head (dd1929b).
⚠️ Report is 9 commits behind head on master-annotation-based.

Additional details and impacted files

@@                   Coverage Diff                    @@
##           master-annotation-based    #1542   +/-   ##
========================================================
  Coverage                    72.34%   72.34%           
========================================================
  Files                           45       45           
  Lines                         4278     4278           
========================================================
  Hits                          3095     3095           
  Misses                        1015     1015           
  Partials                       168      168           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.