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Yep, if you held down the menu bar no other applications would get any time or events except for interrupt-time callbacks like VBL tasks and async IO completion
by mrpippy 9y ago
Yep, if you held down the menu bar no other applications would get any time or events except for interrupt-time callbacks like VBL tasks and async IO completion routines.
Any application that actually did something on classic MacOS while the menu bar was held down was doing it through those (tricky to get right) mechanisms.
- kalleboo 9y agoI remember installing an INIT called "Menutasking enabler" that let processes continue in the background. The downside was that any app that redrew a window would end up drawing all over the open menu.