:
:> In message <[EMAIL PROTECTED]> Mike Smith writes:
:> : What about it in particular?  Or are you referring to overflow handling?
:> 
:> Yes.  Well, I guess I assumed it was a circular thing, and you'd need
:> to have some comparison against read index, which would be racible.
:
:Not if you think about it; all you need are atomic read/write operations 
:for the indexes.  Circular FIFOs are kinda neat like that. 8)
:
:-- 
:\\ Give a man a fish, and you feed him for a day. \\  Mike Smith

    Well, monotonically increasing (except when it wraps), and atomic 
    writes.  Atomic read-modify-writes are not required which means that
    no locking is needed at all, not even a 'lock' prefix (though on some
    architectures you have to worry about delayed commits between cpu's).

                                        -Matt
                                        Matthew Dillon 
                                        <[EMAIL PROTECTED]>


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