Messages in this thread | | | Subject | Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] | Date | Fri, 29 Oct 2004 10:03:45 -0400 | From | Paul Davis <> |
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>> if (poll (driver->pfd, nfds, driver->poll_timeout) < 0) { > >in Rui's test (9 fluidsynth instances running), what would be the value >of nfds - 9 or 1? I.e. is the '9 streams' abstraction provided by jackd, >and you map it to a single alsa driver fd over which you poll, or is >each stream a separate fd?
for almost all audio interfaces, there is one fd per hardware device. so whether its a 26 channel device or a simple stereo device, there is one fd. jackd will be polling a single fd in that call under almost all circumstances, and certainly those used in rui's testing.
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