[linux-audio-dev] Re: desktop and multimedia as an afterthought?

[Paul Davis]

>control may be modifying it. Such access is restricted using functions that
>synchronize thread execution and also synchronize memory with respect to
>other threads."
>
>Thus, the lock-free ringbuffer is not portable. (What if the reader gets an
>"old" value that is never updated?)

the kernel *requires* atomic operations to at least the same extent that audio
apps do. if you can run linux on a h/w platform, then the required
atomic ops are available.