Roger Larsson writes:
> Will it work correctly if 4. is done before 3. (even before 2?)
> Is it legal/good practice to unmap the file after closing it?
> (Since the sharing needs the fd to mmap it)
Dunno, haven't tried that yet. I'll have a go tomorrow, but I think
it'll work correctly. I'll also dig about in the VFS / NFS code some
more to see if I can find anything obvious.
> I would have expected this order:
> A. open file
> B. shared map file
> C. unmap shared mapping
> D. close file
> E. unlink file
BTW, the program which is giving grief is good ol' sendmail, v8.11.
It does the unmap after close all over the place.
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