linuxaudio.org

On Tue, Dec 20, 2011 at 8:24 AM, Tim Goetze  wrote:
> Alternatively, out-of-order queuing can be dealt with by sorting the

quoted text
> contents of the FIFO in the consuming thread (since the write position

> only ever increases, sorting everything before it is safe).

as long as the length of the FIFO is relatively small, this is true.

sorting is rarely linear though, so you need to be careful if you want

this to scale to absurdly large message queues :)
>  Multiple

quoted text
> writers can be supported locklessly by employing one FIFO per writing

> thread (the consuming thread peeks at the contents of all FIFOs before

> deciding which event to pop first).

true, though this is more complex for the reader, and the writers are

rarely under RT constraints which means that the serialization via a

lock doesn't hurt anyone.

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