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    SubjectRe: [RFC] New locking primitive for 2.5 wrote:
    > llseek:
    > atomic_enquee request
    > if no room gotta sleep
    > else if trylock mutex
    > return
    > else
    > do work
    > loop:
    > process any pending requests
    > release lock;
    > if pending_requests && !(trylock mutex) goto loop

    This is how printk() works. It was a very powerful and satisfactory
    solution to a nasty locking/atomicity problem. It'd be nice to have
    a more generic way of expressing that solution.

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      Last update: 2005-03-22 13:24    [W:0.022 / U:9.144 seconds]
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