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It's possible to call back into Racket during a Gtk call, via logging, signal handling, and other operations. If the Racket code triggers a collection, Gtk structs could move in the heap, leading to a crash. Avoid that by using `'atomic-interior` mode with all the data that Gtk can reach.
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This won't pass on CI until tomorrow, because it needs the FFI type added in racket/racket#5617. |
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It's possible to call back into Racket during a Gtk call, via logging, signal handling, and other operations. If the Racket code triggers a collection, Gtk structs could move in the heap, leading to a crash. Avoid that by using
'atomic-interiormode with all the data that Gtk can reach.