# NousResearch/hermes-agent · Windows os.kill liveness probe bug in tui_gateway

## Open now

- 1 issue, 2 PRs open on GitHub.
- #97019: \[Bug\]: host_supervisor uses os.kill(pid, 0) for liveness, unsafe on Windows
- PR #97022: fix(tui_gateway): route host_supervisor PID probe/kill through gateway.status (Windows os.kill(pid, 0) footgun)
- PR #97187: fix(tui-gateway): stop using os.kill(pid, 0) as liveness probe on Windows (#97019)

These issues and PRs address a bug where os.kill(pid, 0) is used as a process liveness probe, which is unsafe on Windows. Related fixes also cover routing PID probes through the gateway and a scripting gap that excluded tui_gateway from package discovery.

## TL;DR

- 4 member(s): 1 open issue(s), 0 closed issue(s), 2 open PR(s), 0 merged PR(s), 1 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Open related issues

- #97019: \[Bug\]: host_supervisor uses os.kill(pid, 0) for liveness, unsafe on Windows

## Prior & competing PRs

- **#97022: fix(tui_gateway): route host_supervisor PID probe/kill through gateway.status (Windows os.kill(pid, 0) footgun)**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `tests/tui_gateway/test_host_supervisor_pid_probe.py`, `tui_gateway/compute_host.py`, `tui_gateway/host_supervisor.py`
- **#97187: fix(tui-gateway): stop using os.kill(pid, 0) as liveness probe on Windows (#97019)**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `tui_gateway/host_supervisor.py`
- **#97352: fix(scripts): --all skipped tui_gateway and every package outside its 8 hardcoded roots**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#85633`, `#97019`

## Fix status

- No merged fix on record.
- Subsystem: `dashboard`