* [CoreFoundation, ObjCRuntime] Add DispatchBlock APIs, in particular those that surface QOS
* Make the struct readonly
Co-Authored-By: migueldeicaza <miguel@gnome.org>
* Make the field read-only
Co-Authored-By: migueldeicaza <miguel@gnome.org>
* Add Qos to the list of accepted words
* To add a finalizer that can dispose the object, turn this into a class,
rather than being just a wrapper around the native handle.
* Fix copyright.
* Fix whitespace issues.
* Adjust visibility of existing DispatchBlock method we don't want to make public
* Refactor a bit.
* Make DispatchObject inherit from NativeObject to avoid some code duplication.
* Put all P/Invokes in BlockLiteral.
* Simplify block code somewhat.
* Sprinkle [BindingImpl (Optimizable)] where needed.
* Add both constructors and static Create methods to create DispatchBlocks.
* Add an explicit operator to get an Action delegate from a DispatchBlock, and
an Invoke method to directly call said delegate.
* Add a few convenience API:
* Wait with a TimeSpan overload.
* Cancelled property.
* Notify with an Action overload.
* Add some DispatchQueue overloads to make DispatchBlock actually usable.
* Seal DispatchBlock.
Users shouldn't subclass DispatchBlock.
* Add tests.
* DispatchBlockFlags is native-sized (nuint).
* Fix a few more nint issues.
* Add availability attributes.
* Fix introspection tests.
* Fix xtro.
* Fix xammac tests.
Rolf Bjarne Kvinge
Miguel de Icaza
Timothy Risi