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NT 4.0 fixup_mmaps_after_fork() patch


It appears that ReadProcessMemory() can fail with ERROR_NOACCESS under
NT 4.0.  See attached patch.

BTW, my mmap-test test case works under NT 4.0 without this patch.
However, vsFTPd does not.  Go figure!

Thanks,
Jason

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Attachment: mmap.cc.diff
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Attachment: mmap.cc.ChangeLog
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