doc: document shutdown plugin.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2021-09-03 19:46:23 +09:30 committed by Christian Decker
parent 516c38a750
commit 36baef22e2

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@ -791,6 +791,16 @@ here, with the peer's signatures attached.
}
```
### `shutdown`
Called when lightningd is shutting down, or this plugin has been
shutdown by the plugin stop command. The plugin has 30 seconds to
exit itself, otherwise it's killed.
Because lightningd can crash or be killed, a plugin cannot rely on
this function always called.
## Hooks
Hooks allow a plugin to define custom behavior for `lightningd`