Willy Tarreau a37b244509 MINOR: listeners: introduce listener_set_state()
This function is used as a wrapper to set a listener's state everywhere.
We'll use it later to maintain some counters in a consistent state when
switching state so it's capital that all state changes go through it.
No functional change was made beyond calling the wrapper.
2020-10-09 11:27:30 +02:00
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