Setting args.boot = False after sending the boot message was dead code: the
SIGHUP restart re-execs via os.execv(sys.argv[0], sys.argv) with the original
argv, so the re-launched process re-parsed -b and announced a boot again. The
exiting process also sent a spurious shutdown (send_shutdown armed by -b), so
each config reload looked like a host reboot to the server.
Strip -b/--boot from the argv passed to execv, and skip the shutdown message
in cleanup() when dorestart is set. A real SIGTERM/SIGINT shutdown still sends
shutdown as before.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
andreasandClaude Opus 4.8
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