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contributing: resource destroy handlers need to cleanup pointers

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Simon Ser 2020-06-05 16:43:45 +02:00 committed by Drew DeVault
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CONTRIBUTING.md
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@ -284,6 +284,11 @@ struct wlr_surface *wlr_surface_from_resource(struct wl_resource *resource) {
} }
``` ```
If a pointer to a `wl_resource` is stored, a resource destroy handler needs to
be registered to clean it up. libwayland will automatically destroy resources
in an arbitrary order when a client is disconnected, the compositor must handle
this correctly.
### Destroying resources ### Destroying resources
Object structs should only be destroyed when their resource is destroyed, ie. Object structs should only be destroyed when their resource is destroyed, ie.