Preemptive Threading

[Thomas_Tempelmann]

I’ve demonstrated the same in pure Xojo code a while ago, too:

http://files.tempel.org/RB/Threading/

and even earlier:

Using Grand Central Dispatch (GCD) for preemptive threading

I need some non-blocking file operations in my app (“Find Any File”), so I played around a little with GCD. Turns out that with a few declares I can nicely run pre-emptive thread operations via GCD. Of course, there are a few things to consider: Stack overflow checking needs to turned off in the preemptive code (#pragma StackOverflowChecking false). Background tasks need to be disabled in the preemptive code (#pragma DisableBackgroundTasks). All preemptive code must run in global (static) me…