Re: [PATCH 0/8] Suspend block api (version 8)

Alan Cox
2010-05-29T15:09:15Z

> Could we have write(powerstate_fd, "qos",3) block until all
> QOS_EVENTUALLY constraints are lifted or the system successfully
> suspends and resumes or a signal arrives?

Yes - and you can then use alarm() or similar to do timeouts (or write
the timeout to the fd ?)