jerrrrycho 03a417c7b0 feat(simulation): a real time watchdog ends a test run that hangs ...

A test run that hung, in the loading or anywhere else, waited until whoever
started it killed it. A watchdog thread now ends a run still going test.wall_timeout
seconds of real time after the start of the simulator, loading included: it says
`test: timeout ... still running after N s of real time` and quits with the
timeout code, whatever the main thread is doing, with no dialog. A test that has
ended but whose simulator doesn't close ends with its own result.

The limit is test.wall_timeout (settings, the scenery's config block) or
--test-wall-timeout, which wins. Not given, it is test.timeout + 600 s: ten
minutes for the loading, and a simulation that runs at least as fast as real
time is never cut short. test.timeout 0 means no watchdog unless the limit is
given; test.wall_timeout 0 turns it off.

run.py passes the case's timeout as --test-wall-timeout and kills a simulator
only 30 s after it. A timeout from the watchdog counts as wall_timeout there, so
a run that hung doesn't pass a case expecting the simulation time to run out;
test_mode_wall_timeout ends while loading on a limit of 2 s.

2026-11-08 11:33:36 +01:00

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