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    SubjectRe: furwocks: Fast Userspace Read/Write Locks
    Date
    On Thursday 07 March 2002 07:50 am, Arjan van de Ven wrote:
    > Rusty Russell wrote:
    > > This is a userspace implementation of rwlocks on top of futexes.
    >
    > question: if rwlocks aren't actually slower in the fast path than
    > futexes,
    > would it make sense to only do the rw variant and in some userspace
    > layer
    > map "traditional" semaphores to write locks ?
    > Saves half the implementation and testing....
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    I m not in favor of that. The dominant lock will be mutexes.
    --
    -- Hubertus Franke (frankeh@watson.ibm.com)
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