Files
hermes-agent/tests
Teknium 11ba76c0fb fix(gateway): run MCP shutdown off-loop with a bounded wait on the shutdown path
shutdown_mcp_servers() blocks on future.result(timeout=15) which, called
from the gateway event-loop thread during SIGTERM teardown, freezes the
loop for up to 15s when the MCP loop and its stdio children are torn down
concurrently. Supervisors with a shorter kill grace (s6-overlay: 3s)
SIGKILL the gateway before lifecycle_ledger.mark_exited() runs, producing
phantom 'exited UNCLEANLY' reports on every subsequent boot.

Run the sync shutdown on a daemon thread and poll via _await_thread_exit
with a 5s budget; proceed with teardown if it wedges. Fixes #82874;
completes the shutdown half of #64155.
2026-08-31 12:04:10 -07:00
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