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| Summary: | proctrack/freebsd-reaper: Track job descendants with FreeBSD process reapers | ||
|---|---|---|---|
| Product: | Slurm | Reporter: | Rikka Göring <rikka.goering> |
| Component: | Other | Assignee: | Tim Wickberg <tim> |
| Status: | OPEN --- | QA Contact: | |
| Severity: | C - Contributions | ||
| Priority: | --- | ||
| Version: | 26.11.x | ||
| Hardware: | All | ||
| OS: | Other | ||
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| CLE Version: | Version Fixed: | ||
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| Attachments: | v1 proctrack/freebsd-reaper plugin | ||
Created attachment 46325 [details] v1 proctrack/freebsd-reaper plugin Add proctrack/freebsd-reaper, a process-tracking plugin using FreeBSD's procctl() process-reaper APIs. The Slurm step daemon acquires reaper status, tracks descendants across process-group changes and nested reapers, and signals the tracked process tree during cleanup. Build the plugin on FreeBSD. On the FreeBSD test node, the comparison with proctrack/pgid was: | Test case | freebsd-reaper | pgid | | ----------------------- | ---------------- | ------ | | Orphaned child | Pass | Pass | | SIGTERM-resistant child | Pass | Pass | | Nested child | Pass | Pass | | setsid escape | Pass | Fail | | setpgid escape | Pass | Fail | | Double-fork escape | Pass | Fail | | Nested daemon escape | Pass | Fail | A zombie regression was also retested: the child briefly became a zombie, disappeared promptly, and the node returned to IDLE without timing out or draining. The patches apply to master at 9f9da53b4a, and the generated configure script passes a shell syntax check.