Looks like the opcode requires a deinit callback (a destructor), which
it doesn't have, to free the port. Or does it? Perhaps we should discuss 
this in the
developer's list.

Victor
----- Original Message ----- 
From: "jean-pierre lemoine" 
To: 
Sent: Tuesday, October 07, 2008 8:11 PM
Subject: [Csnd] use of OSC with csound API


>I am implemented OSC support in AVSynthesis.  but I have a problem
> with reusing the csound instance (windows platform, csound double)
>
> I start a thread which executes in its loop
>  cs.Perform();
>  cs.Cleanup();
>  cs.Reset();
>
> When I stop the csound execution from the main thread, csound stops,
> and the cleanup , reset are done.
> If I launch a new thread with the same csound instance, i get the
> following error message and a trap
> OSC server error 9904 in path (null): cannot find free port
>
> The trap
> #
> # An unexpected error has been detected by Java Runtime Environment:
> #
> #  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x2fc75321, pid=2444, 
> tid=3524
> #
> # Java VM: Java HotSpot(TM) Client VM (10.0-b19 mixed mode, sharing 
> windows-x86)
> # Problematic frame:
> # C  [lo.dll+0x5321]
> #
>
> It seems that the OSC resources are not released during cleanup and
> reset. Do I need to do something specific?
>
> In the csd I have
> giOSChandle OSCinit 7770
>
> and
>
> instr 1
> kreadOSC init 0
> kosc OSClisten giOSChandle, "/AVS/layer1", "f", kreadOSC
> if (kosc == 0) goto exl1
> gkchLayer1 = kreadOSC
> printk .1, gkchLayer1
> exl1:
> kosc OSClisten giOSChandle, "/AVS/layer2", "f", kreadOSC
> if (kosc == 0) goto exl2
> gkchLayer2 = kreadOSC
> exl2:
> kosc OSClisten giOSChandle, "/AVS/layer3", "f", kreadOSC
> if (kosc == 0) goto exl3
> gkchLayer3 = kreadOSC
> exl3:
> kosc OSClisten giOSChandle, "/AVS/layer4", "f", kreadOSC
> if (kosc == 0) goto exl4
> gkchLayer4 = kreadOSC
> exl4:
> kosc OSClisten giOSChandle, "/AVS/layer5", "f", kreadOSC
> if (kosc == 0) goto exl5
> gkchLayer5 = kreadOSC
> exl5:
> kosc OSClisten giOSChandle, "/AVS/layer6", "f", kreadOSC
> if (kosc == 0) goto exl6
> gkchLayer6 = kreadOSC
> exl6:
> kosc OSClisten giOSChandle, "/AVS/layer7", "f", kreadOSC
> if (kosc == 0) goto exl7
> gkchLayer7 = kreadOSC
> exl7:
> kosc OSClisten giOSChandle, "/AVS/layer8", "f", kreadOSC
> if (kosc == 0) goto exl8
> gkchLayer8 = kreadOSC
> exl8:
> endin
>
> Thanks for any help
>
>
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