On 11/1/05, Istvan Varga <istvan_v@fibermail.hu> wrote:
> Istvan Varga wrote:
>
> > If you run multiple performances in succession by starting a new
> > process from the command line each time, then the memory state of
> > the process is not preserved and everything is cleanly reloaded
> > by the operating system. By contrast, reusing the same process by
> > calling the compile/perform/reset cycle repeatedly requires
> > PortMidi to be reentrant and allowing for multiple calls to
> > Pm_Initialize() in the same address space without problems.
> > It is possible that PortMidi cannot be re-initialized on MacOS X
> > (not having access to that platform, I cannot test this), but
> > I have just tested restarting a MIDI performance several times
> > from the Python interpreter on Linux, and it worked fine.
>
> Doing another test, it seems that while PortMidi can indeed be
> restarted without problems on Linux, using multiple instances at
> the same time does fail in a fatal way. On the other hand, using
> the native ALSA driver with -+rtmidi=alsa is OK, even if MIDI is
> used in multiple instances of Csound in the same process at the
> same time.
>
>

Could you post an example of this session?

I'm just curious.

- schwaahed


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