Aaron Denney wrote:
It may be that by opening it in write mode you could ensure that noone else
modifies it (although I don't think this would work e.g. on nfs),
It doesn't even work locally.
Right. But mmap is only sensible to use (even in C) when you know about
all the other processes who can modify the file; bearing this in mind,
it's still useful! Obviously the haskell RTS can't insulate us from
certain things, if the OS-level primitives let it down, but we can
document what you need to do to be safe.
Jules
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