check: send systemd READY even with no runnable config#2662
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When keepalived starts without any VRRP/LVS/BFD blocks, it does not spawn any child processes. In this case, systemd never receives a READY=1 notification, and the service eventually times out during startup. Fix this by explicitly calling systemd_notify_running() when there are no children, so that systemd always gets a readiness signal, even with an empty configuration.
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When keepalived starts without any VRRP/LVS/BFD blocks, it does not spawn any child processes. In this case, systemd never receives a READY=1 notification, and the service eventually times out during startup.
Fix this by explicitly calling systemd_notify_running() when there are no children, so that systemd always gets a readiness signal, even with an empty configuration.