On Fri, 29 Nov 2002, Takashi Iwai wrote:
> At Fri, 29 Nov 2002 08:52:43 +0100 (MET),
> Clemens Ladisch wrote:
> >
> > Takashi Iwai wrote:
> > > Martin Langer wrote:
> > > > usb hotplug works perfect if my usbmidi client isn't aconnected to another
> > > > midi client. But the aconnected usb midi device still remains in the clients
> > > > list, after hotpluging out.
> > >
> > > yep, when the connection exists, the connected devices (on both
> > > sides) are regarded as active.
> >
> > The sequencer design allows asynchronous removal of clients.
>
> yes, but this may still try to send some bytes to the unplugged
> rawmidi device at the disconnection. i'll change rawmidi code to
> ignore that.
Well, I'm trying to solve these "hotplug" problems. Unfortunately, it
seems difficult to detect, if another task is in the middle of our
callback. I think that we'll end up using mutexes.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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