The Errno Story

John Meacham john at repetae.net
Fri Jul 25 05:10:53 EDT 2003


On Fri, Jul 25, 2003 at 09:50:00AM +0100, Simon Marlow wrote:
> John Meacham writes:
> > I am not a fan of having to stow errno for every ffi call..
> As was pointed out to me last time this came up, you don't have to stow
> it for every FFI call, only on a context switch.  
> 
> Adding one word to a TSO is also very cheap.  The total cost is almost
> certainly unmeasurable.

okay. I am convinced. :) 
        John

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John Meacham - California Institute of Technology, Alum. - john at foo.net
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