*single-cg-event-handling-process*

On platforms where Allegro does not use native operating system threads (in which case *use-single-cg-event-handling-process* will be true), the value of this variable will be the single Common Graphics process in which all events are handled. On native thread platforms, the value will be nil.

Since most application code is initiated by events, this means that virtually all application code typically will run in this process on non-native thread platforms. The name of this process will be "CG Event Handler".

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Created 2015.5.21.