feat(framework): Add app supervisor for *app lifecycle management on posix systems without orchestration#7062
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msheller wants to merge 46 commits into
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feat(framework): Add app supervisor for *app lifecycle management on posix systems without orchestration#7062msheller wants to merge 46 commits into
msheller wants to merge 46 commits into
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Description
SuperExec needs a trusted host-side lifecycle primitive for future local app supervision. The existing app-side --parent-pid model depends on host PID visibility, which is not a good fit for PID namespace isolation.
Related issues/PRs
Related to future SuperExec local subprocess sandboxing work.
Explanation
Add a POSIX app supervisor primitive for SuperExec. The supervisor launches a final app command in a new process group, monitors a parent-owned lifeline FD, and terminates the app process group if the lifeline closes. The helper also uses config and status pipes to keep app command details out of supervisor argv and to report app launch failures before returning.
This PR adds the primitive, tests, and an RFC. It does not wire existing SuperExec plugins to use the supervisor yet.
Checklist
#contributions)Any other comments?
Follow-up PR will wire SuperExec app launches through this supervisor.