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Sebastian Wick
21f413f17f
If we created an instance and we failed to get the PID of the instance, we would still succeed. If one later calls flatpak_instance_is_running or uses the result of flatpak_instance_get_pid with kill, it's possible to terminate the entire process group (kill 0). Let's just error out as early as possible to avoid those weird half-initialized cases. That unfortunately means we have to adjust a bunch of callers as well, but fortunately, this only affects internal API.
