[REBOL] Re: Multiple Threads Crash

From: arolls:bigpond:au at: 24-Jul-2001 20:56

> Unfortunately, it's crash prone. If I click the buttons
> furiously, it crashes
> (Win 98) with a "Rebol has performed an illegal operation..." message at
> around 70-80 active threads.
>
> If I click a bit more sedately to keep the thread level around 50
> or so, it
> soon crashes with a Rebol console error: "Invalid data type
> during recycle **
> Press enter to quit..."

I got your two errors on win2k.

To reduce the code below a bit:

lay: copy []
loop 4 [
    loop 5 [
        append lay [a-box: box 50x50 red do [append boxes a-box]]
    ]
    append lay 'return
]

> testlayout: layout [
>              across
>              box-1:  box 50x50 red
>              box-2:  box 50x50 red
>              box-3:  box 50x50 red
>              box-4:  box 50x50 red
>              box-5:  box 50x50 red
>              return
>
>              box-6:  box 50x50 red
>              box-7:  box 50x50 red
>              box-8:  box 50x50 red
>              box-9:  box 50x50 red
>              box-10: box 50x50 red
>              return
>
>              box-11: box 50x50 red
>              box-12: box 50x50 red
>              box-13: box 50x50 red
>              box-14: box 50x50 red
>              box-15: box 50x50 red
>              return
>
>              box-16: box 50x50 red
>              box-17: box 50x50 red
>              box-18: box 50x50 red
>              box-19: box 50x50 red
>              box-20: box 50x50 red
>              return

Then append the rest of this to lay:

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