Matthew Kirkwood wrote:
>
>
> Yep, that'd be fine. However, you then lose the neatness
> of "lock==file descriptor", and need something other than
> read/write for down/up.
>
pread(), use the file pointer.
>
> I guess the alternative is to store them in a hash table
> or tree but I don't know what that would do to the
> contended case.
>
I'd start with file descriptor+pread(), and then check how much faster
your could get without any protection at all (i.e. just trust user
space). If the difference is small, then use the file descriptor.
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This archive was generated by hypermail 2b29 : Tue Jan 15 2002 - 21:00:41 EST