Hi Michael,
With the emulation mode set to "winxp" I can only TlsAlloc 64 indexes, even though the MSDN docs say there should be at least 20 million.
You're misreading that page, the limits are: Win 2000/2003 & XP - 1088 indexes per process Win Me/98 - 80 indexes per process Win NT and 95 - 64 indexes per process
So it seems that Me/98 add 16 on top of the original 64 limit, while from Win2k onwards another 1024 indices were added.
You can almost certainly work around this if you have the source for the app you are trying to run, unless your app has more than 64 threads running at once.
Just take all of the per-thread data you need and stick it into a structure, store only the pointer to that for each thread (1 slot). This adds a layer of indirection but means you are limited only by the heap, provided you don't have more than 64 threads. See dlls/msvcrt/thread.c for an implementation example.
Cheers, Jon
"Don't wait for the seas to part, or messiahs to come; Don't you sit around and waste this chance..." - Live
jon_p_griffiths@yahoo.com
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Jon Griffiths