Fix race condition (COMPLETED/BOT_DIED) in task_runner.
Per b/69462084 and a TODO comment in this file, a race condition
exists when an external process polls task status that fails with
BOT_DIED (there's a short window in which the task will be marked
as COMPLETED before being updated to BOT_DIED). This change sends
the task-update without the exit code (to prevent the COMPLETED
status from being set), and then sends a task_error message. The
default must_signal_internal_failure is also changed to provide a
default error in case run_isolated fails.
TESTED=Ran unit tests in task_runner_test and they pass.
Any other tests?
Commit-Queue: Marc-Antoine Ruel <email@example.com>
Reviewed-by: Marc-Antoine Ruel <firstname.lastname@example.org>
1 file changed