I just updated to the latest tip because I noticed a problem with
MIDI. After updating I found more problems:

0  0x00007ffff7729a90  pthread_spin_unlock
../nptl/sysdeps/x86_64/pthread_spin_unlock.S  24
1  0x00007ffff66062e3  alloc_channel
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  318
2  0x00007ffff6606453  create_new_channel
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  352
3  0x00007ffff66065a8  csoundGetChannelPtr
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  381
4  0x00007ffff66070bd  chnget_opcode_init_k
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  637
5  0x00007ffff65d17c5  insert
/home/rory/sourcecode/csound-csound6-git/Engine/insert.c  262
6  0x00007ffff65dfcbd  process_score_event
/home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  748
7  0x00007ffff65e0658  sensevents
/home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  937
8  0x00007ffff6717f66  csoundPerformKsmps
/home/rory/sourcecode/csound-csound6-git/Top/csound.c  1583
9  0x00000000004bf61e  Csound::PerformKsmps
/usr/local/include/csound/csound.hpp  343

This seems to happen when I try delete my csound object.

Btw, did anything change with the MIDI code? It looks like the
function I pass to SetExternalMidiReadCallback() is not getting
registered? It never seems to get called. My CsOptions are ok, but
something seems to be up. I'll dig further, once I can get past the
error above.

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I changed the MIDI only when you said there was a problem, which you said it was
fixed, then I did not touch it.

What is the host code that is causing this problem?

Victor

On 1 Jun 2013, at 17:17, Rory Walsh wrote:

> I just updated to the latest tip because I noticed a problem with
> MIDI. After updating I found more problems:
> 
> 0  0x00007ffff7729a90  pthread_spin_unlock
> ../nptl/sysdeps/x86_64/pthread_spin_unlock.S  24
> 1  0x00007ffff66062e3  alloc_channel
> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  318
> 2  0x00007ffff6606453  create_new_channel
> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  352
> 3  0x00007ffff66065a8  csoundGetChannelPtr
> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  381
> 4  0x00007ffff66070bd  chnget_opcode_init_k
> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  637
> 5  0x00007ffff65d17c5  insert
> /home/rory/sourcecode/csound-csound6-git/Engine/insert.c  262
> 6  0x00007ffff65dfcbd  process_score_event
> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  748
> 7  0x00007ffff65e0658  sensevents
> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  937
> 8  0x00007ffff6717f66  csoundPerformKsmps
> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  1583
> 9  0x00000000004bf61e  Csound::PerformKsmps
> /usr/local/include/csound/csound.hpp  343
> 
> This seems to happen when I try delete my csound object.
> 
> Btw, did anything change with the MIDI code? It looks like the
> function I pass to SetExternalMidiReadCallback() is not getting
> registered? It never seems to get called. My CsOptions are ok, but
> something seems to be up. I'll dig further, once I can get past the
> error above.
> 
> ------------------------------------------------------------------------------
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Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I'm getting a sigrev when I try to call performKsmps()? This is
nothing to do with the MIDI issue, but something I noticed just now
after updating from git.

0  0x00007ffff7729a90  pthread_spin_unlock
../nptl/sysdeps/x86_64/pthread_spin_unlock.S  24
1  0x00007ffff66062e3  alloc_channel
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  318
2  0x00007ffff6606453  create_new_channel
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  352
3  0x00007ffff66065a8  csoundGetChannelPtr
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  381
4  0x00007ffff660702f  chnget_opcode_init_i
/home/rory/sourcecode/csound-csound6-git/OOps/bus.c  611
5  0x00007ffff65d17c5  insert
/home/rory/sourcecode/csound-csound6-git/Engine/insert.c  262
6  0x00007ffff65dfcbd  process_score_event
/home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  748
7  0x00007ffff65e0658  sensevents
/home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  937
8  0x00007ffff6717f66  csoundPerformKsmps
/home/rory/sourcecode/csound-csound6-git/Top/csound.c  1583
9  0x00000000004bf61e  Csound::PerformKsmps
/usr/local/include/csound/csound.hpp  343

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OK, I've made a small change, see if it fixes the spinlock problem.

Victor
On 1 Jun 2013, at 18:22, Victor Lazzarini wrote:

> I changed the MIDI only when you said there was a problem, which you said it was
> fixed, then I did not touch it.
> 
> What is the host code that is causing this problem?
> 
> Victor
> 
> On 1 Jun 2013, at 17:17, Rory Walsh wrote:
> 
>> I just updated to the latest tip because I noticed a problem with
>> MIDI. After updating I found more problems:
>> 
>> 0  0x00007ffff7729a90  pthread_spin_unlock
>> ../nptl/sysdeps/x86_64/pthread_spin_unlock.S  24
>> 1  0x00007ffff66062e3  alloc_channel
>> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  318
>> 2  0x00007ffff6606453  create_new_channel
>> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  352
>> 3  0x00007ffff66065a8  csoundGetChannelPtr
>> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  381
>> 4  0x00007ffff66070bd  chnget_opcode_init_k
>> /home/rory/sourcecode/csound-csound6-git/OOps/bus.c  637
>> 5  0x00007ffff65d17c5  insert
>> /home/rory/sourcecode/csound-csound6-git/Engine/insert.c  262
>> 6  0x00007ffff65dfcbd  process_score_event
>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  748
>> 7  0x00007ffff65e0658  sensevents
>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  937
>> 8  0x00007ffff6717f66  csoundPerformKsmps
>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  1583
>> 9  0x00000000004bf61e  Csound::PerformKsmps
>> /usr/local/include/csound/csound.hpp  343
>> 
>> This seems to happen when I try delete my csound object.
>> 
>> Btw, did anything change with the MIDI code? It looks like the
>> function I pass to SetExternalMidiReadCallback() is not getting
>> registered? It never seems to get called. My CsOptions are ok, but
>> something seems to be up. I'll dig further, once I can get past the
>> error above.
>> 
>> ------------------------------------------------------------------------------
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>> It's a free troubleshooting tool designed for production
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>> _______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
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Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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Thanks Victor, that fixes that. But I'm still left with MIDI-less
instruments. Is there anything in your last fix that could have skewed
things up a little with regards to sending MIDI from a host to Csound?
This issue is not what prompted your last fix, but they could be
related. I have -+rtmidi=NULL -M0 set, but no midi is getting through?

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Can try removing -+rtmidi=NULL? I know what the problem is and I am thinking of the best solution.

On 1 Jun 2013, at 18:57, Rory Walsh wrote:

> Thanks Victor, that fixes that. But I'm still left with MIDI-less
> instruments. Is there anything in your last fix that could have skewed
> things up a little with regards to sending MIDI from a host to Csound?
> This issue is not what prompted your last fix, but they could be
> related. I have -+rtmidi=NULL -M0 set, but no midi is getting through?
> 
> ------------------------------------------------------------------------------
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Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I just tried multiple combinations of CsOptions with and without
-+rtmidi=NULL and -M0. None proved successful. I have to head out for
a bit so I might not be able to check anything till later. Thanks,

Rory.


On 1 June 2013 19:46, Victor Lazzarini  wrote:
> Can try removing -+rtmidi=NULL? I know what the problem is and I am thinking of the best solution.
>
> On 1 Jun 2013, at 18:57, Rory Walsh wrote:
>
>> Thanks Victor, that fixes that. But I'm still left with MIDI-less
>> instruments. Is there anything in your last fix that could have skewed
>> things up a little with regards to sending MIDI from a host to Csound?
>> This issue is not what prompted your last fix, but they could be
>> related. I have -+rtmidi=NULL -M0 set, but no midi is getting through?
>>
>> ------------------------------------------------------------------------------
>> Get 100% visibility into Java/.NET code with AppDynamics Lite
>> It's a free troubleshooting tool designed for production
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>> Download for free and get started troubleshooting in minutes.
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>> _______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
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Ok, I've added an API function

csoundSetHostImplementedMIDIIO(CSOUND *csound, int state);

or

Csound::SetHostImplementedMIDIIO(int state);

which you should call after creation, and before csoundStart() or csoundCompile(), and then
set your callbacks (all before starting or compiling).

This should prevent csoundStart() or csoundReset() from resetting the MIDI modules.
See if this works.

Victor


On 1 Jun 2013, at 19:51, Rory Walsh wrote:

> I just tried multiple combinations of CsOptions with and without
> -+rtmidi=NULL and -M0. None proved successful. I have to head out for
> a bit so I might not be able to check anything till later. Thanks,
> 
> Rory.
> 
> 
> On 1 June 2013 19:46, Victor Lazzarini  wrote:
>> Can try removing -+rtmidi=NULL? I know what the problem is and I am thinking of the best solution.
>> 
>> On 1 Jun 2013, at 18:57, Rory Walsh wrote:
>> 
>>> Thanks Victor, that fixes that. But I'm still left with MIDI-less
>>> instruments. Is there anything in your last fix that could have skewed
>>> things up a little with regards to sending MIDI from a host to Csound?
>>> This issue is not what prompted your last fix, but they could be
>>> related. I have -+rtmidi=NULL -M0 set, but no midi is getting through?
>>> 
>>> ------------------------------------------------------------------------------
>>> Get 100% visibility into Java/.NET code with AppDynamics Lite
>>> It's a free troubleshooting tool designed for production
>>> Get down to code-level detail for bottlenecks, with <2% overhead.
>>> Download for free and get started troubleshooting in minutes.
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>>> _______________________________________________
>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> 
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
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> 
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Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I'll try this out layer Victor. I've been too busy enjoying the sunshine!

sent from a mobile device...

Thanks Victor. Just tried this now and it seems to work fine now.



On 4 June 2013 02:05, Andres Cabrera  wrote:
> Good. Thanks for looking.
>
> Cheers,
> Andrés
>
>
> On Mon, Jun 3, 2013 at 12:57 PM, Victor Lazzarini 
> wrote:
>>
>> Actually, there is no way to do this, because the functions used by the
>> Host to set its own midi implementation are the same ones used by the plugin
>> modules, so there is no way to
>> distinguish between them. The csoundSetHostImplementedMIDIIO is the best
>> mechanism, and it mirrors the one used for audio.
>>
>> Victor
>> On 2 Jun 2013, at 02:52, Andres Cabrera wrote:
>>
>> Yes, I thought that was the case, but how about setting an internal flag
>> whenever the MIDI callback is set by the user? Otherwise setting the MIDI
>> callback would always entail calling two functions...
>>
>> Cheers,
>> Andrés
>>
>>
>> On Sat, Jun 1, 2013 at 1:39 PM, Victor Lazzarini
>>  wrote:
>>>
>>> No, that is impossible, because there is no distinction between host
>>> callbacks or module-based callbacks. So it's impossible to tell what is
>>> being set.
>>>
>>> Victor
>>>
>>> On 1 Jun 2013, at 21:31, Andres Cabrera wrote:
>>>
>>> Wouldn't it be better to make that an internal value that is set when the
>>> MIDI callback is registered?
>>>
>>> Cheers,
>>> Andrés
>>>
>>>
>>> On Sat, Jun 1, 2013 at 12:19 PM, Victor Lazzarini
>>>  wrote:
>>>>
>>>> Ok, I've added an API function
>>>>
>>>> csoundSetHostImplementedMIDIIO(CSOUND *csound, int state);
>>>>
>>>> or
>>>>
>>>> Csound::SetHostImplementedMIDIIO(int state);
>>>>
>>>> which you should call after creation, and before csoundStart() or
>>>> csoundCompile(), and then
>>>> set your callbacks (all before starting or compiling).
>>>>
>>>> This should prevent csoundStart() or csoundReset() from resetting the
>>>> MIDI modules.
>>>> See if this works.
>>>>
>>>> Victor
>>>>
>>>>
>>>> On 1 Jun 2013, at 19:51, Rory Walsh wrote:
>>>>
>>>> > I just tried multiple combinations of CsOptions with and without
>>>> > -+rtmidi=NULL and -M0. None proved successful. I have to head out for
>>>> > a bit so I might not be able to check anything till later. Thanks,
>>>> >
>>>> > Rory.
>>>> >
>>>> >
>>>> > On 1 June 2013 19:46, Victor Lazzarini 
>>>> > wrote:
>>>> >> Can try removing -+rtmidi=NULL? I know what the problem is and I am
>>>> >> thinking of the best solution.
>>>> >>
>>>> >> On 1 Jun 2013, at 18:57, Rory Walsh wrote:
>>>> >>
>>>> >>> Thanks Victor, that fixes that. But I'm still left with MIDI-less
>>>> >>> instruments. Is there anything in your last fix that could have
>>>> >>> skewed
>>>> >>> things up a little with regards to sending MIDI from a host to
>>>> >>> Csound?
>>>> >>> This issue is not what prompted your last fix, but they could be
>>>> >>> related. I have -+rtmidi=NULL -M0 set, but no midi is getting
>>>> >>> through?
>>>> >>>
>>>> >>>
>>>> >>> ------------------------------------------------------------------------------
>>>> >>> Get 100% visibility into Java/.NET code with AppDynamics Lite
>>>> >>> It's a free troubleshooting tool designed for production
>>>> >>> Get down to code-level detail for bottlenecks, with <2% overhead.
>>>> >>> Download for free and get started troubleshooting in minutes.
>>>> >>> http://p.sf.net/sfu/appdyn_d2d_ap2
>>>> >>> _______________________________________________
>>>> >>> Csound-devel mailing list
>>>> >>> Csound-devel@lists.sourceforge.net
>>>> >>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>> >>
>>>> >> Dr Victor Lazzarini
>>>> >> Senior Lecturer
>>>> >> Dept. of Music
>>>> >> NUI Maynooth Ireland
>>>> >> tel.: +353 1 708 3545
>>>> >> Victor dot Lazzarini AT nuim dot ie
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >> ------------------------------------------------------------------------------
>>>> >> Get 100% visibility into Java/.NET code with AppDynamics Lite
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>>>> >
>>>> >
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>>>> > https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>>
>>>> Dr Victor Lazzarini
>>>> Senior Lecturer
>>>> Dept. of Music
>>>> NUI Maynooth Ireland
>>>> tel.: +353 1 708 3545
>>>> Victor dot Lazzarini AT nuim dot ie
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
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>>>
>>>
>>>
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>>>
>>>
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>>
>>>
>>>
>>>
>>>
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>>
>>
>> ------------------------------------------------------------------------------
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>> It's a free troubleshooting tool designed for production
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>>
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>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>>
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> How ServiceNow helps IT people transform IT departments:
>> 1. A cloud service to automate IT design, transition and operations
>> 2. Dashboards that offer high-level views of enterprise services
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>> _______________________________________________
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>>
>
>
> ------------------------------------------------------------------------------
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And just when you thought it was over! I'm starting to get
intermittent sigrevs when I delete csound. I'm trying to find some
consistency here, but I'm struggling. My current Cabbage source is a
little messy, so I've gone back to a build of Cabbage from a month
ago, that I know was stable. I've updated the code for Csound 6 and
I've set SetHostImplementedMIDIIO to true after I create Csound.
Behaviour is now far more consistent. When I call Csound reset I get
the following problem:

0  0x00007ffff6d26afa  snd_rawmidi_close
1  0x00007fffefa5496e  midi_in_close
/home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  907
2  0x00007ffff65f8ed9  MidiClose
/home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
3  0x00007ffff65dea7d  csoundCleanup
/home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
4  0x00007ffff671a3e1  reset
/home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
5  0x00007ffff671ac7c  csoundReset
/home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
6  0x00000000004bf5fa  Csound::Reset  /usr/local/include/csound/csound.hpp  359

If I set SetHostImplementedMIDIIO to false just before calling
csoundReset I get the following sigrev, one short of above.

0  0x00007fffefa5494f  midi_in_close
/home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  906
1  0x00007ffff65f8ed9  MidiClose
/home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
2  0x00007ffff65dea7d  csoundCleanup
/home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
3  0x00007ffff671a3e1  reset
/home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
4  0x00007ffff671ac7c  csoundReset
/home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
5  0x00000000004bf622  Csound::Reset  /usr/local/include/csound/csound.hpp  359

I'm using the same test csd with the same -+trmidi=NULL -M0 options.
Once I get the older stable build going I should be able to work it
into my latest source, which is currently a mess :(

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This is all because the callbacks are being reset at some point to the
defaults (alsa for linux). It's a bit of pain because I can't debug it here,
so I can't find exactly where they are being reset.

I'll see what I can do.

Victor

On 5 Jun 2013, at 17:20, Rory Walsh wrote:

> And just when you thought it was over! I'm starting to get
> intermittent sigrevs when I delete csound. I'm trying to find some
> consistency here, but I'm struggling. My current Cabbage source is a
> little messy, so I've gone back to a build of Cabbage from a month
> ago, that I know was stable. I've updated the code for Csound 6 and
> I've set SetHostImplementedMIDIIO to true after I create Csound.
> Behaviour is now far more consistent. When I call Csound reset I get
> the following problem:
> 
> 0  0x00007ffff6d26afa  snd_rawmidi_close
> 1  0x00007fffefa5496e  midi_in_close
> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  907
> 2  0x00007ffff65f8ed9  MidiClose
> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
> 3  0x00007ffff65dea7d  csoundCleanup
> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
> 4  0x00007ffff671a3e1  reset
> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
> 5  0x00007ffff671ac7c  csoundReset
> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
> 6  0x00000000004bf5fa  Csound::Reset  /usr/local/include/csound/csound.hpp  359
> 
> If I set SetHostImplementedMIDIIO to false just before calling
> csoundReset I get the following sigrev, one short of above.
> 
> 0  0x00007fffefa5494f  midi_in_close
> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  906
> 1  0x00007ffff65f8ed9  MidiClose
> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
> 2  0x00007ffff65dea7d  csoundCleanup
> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
> 3  0x00007ffff671a3e1  reset
> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
> 4  0x00007ffff671ac7c  csoundReset
> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
> 5  0x00000000004bf622  Csound::Reset  /usr/local/include/csound/csound.hpp  359
> 
> I'm using the same test csd with the same -+trmidi=NULL -M0 options.
> Once I get the older stable build going I should be able to work it
> into my latest source, which is currently a mess :(
> 
> ------------------------------------------------------------------------------
> How ServiceNow helps IT people transform IT departments:
> 1. A cloud service to automate IT design, transition and operations
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Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I can try to prepare a simple Linux build if that would help. I'll
include all the JUCE stuff so you won't need to download it. All
you'll need to do is change the paths to Csound. It will probably be
tomorrow before I can get it to you, but at least we'll be on the same
page then. Cheers.

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you will going to have to help me debug this. 

This is what happens:

1)  csoundCreate() calls csoundReset() and there MIDI is initialised to alsa,
in the call to csoundInitModules().
   That is OK.

2) Then you call csoundHostImplementedMIDIIO(), which sets a flag telling
Csound not to initialise MIDI anymore.

3) Then you initialise all the MIDI functions

     csound->SetExternalMidiInOpenCallback(...);
     csound->SetExternalMidiReadCallback(...);
     csound->SetExternalMidiInCloseCallback(...);
     csound->SetExternalMidiOutOpenCallback(...);
     csound->SetExternalMidiWriteCallback(...);
     csound->SetExternalMidiOutCloseCallback(...);

This needs to be done otherwise, Csound will try to call these functions
at some point. The ones you will not use will need a dummy no-op function.

4) csoundStart and csoundCompile will not set the dummy MIDI functions
anymore, because of the host implemented flag.

The crash is happening on cleanup as the alsa midi_in_close callback is being called.
Check that the callback is pointing to your code and not alsa (maybe
put a breakpoint in MidiClose).

Victor


On 5 Jun 2013, at 17:37, Victor Lazzarini wrote:

> This is all because the callbacks are being reset at some point to the
> defaults (alsa for linux). It's a bit of pain because I can't debug it here,
> so I can't find exactly where they are being reset.
> 
> I'll see what I can do.
> 
> Victor
> 
> On 5 Jun 2013, at 17:20, Rory Walsh wrote:
> 
>> And just when you thought it was over! I'm starting to get
>> intermittent sigrevs when I delete csound. I'm trying to find some
>> consistency here, but I'm struggling. My current Cabbage source is a
>> little messy, so I've gone back to a build of Cabbage from a month
>> ago, that I know was stable. I've updated the code for Csound 6 and
>> I've set SetHostImplementedMIDIIO to true after I create Csound.
>> Behaviour is now far more consistent. When I call Csound reset I get
>> the following problem:
>> 
>> 0  0x00007ffff6d26afa  snd_rawmidi_close
>> 1  0x00007fffefa5496e  midi_in_close
>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  907
>> 2  0x00007ffff65f8ed9  MidiClose
>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>> 3  0x00007ffff65dea7d  csoundCleanup
>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>> 4  0x00007ffff671a3e1  reset
>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>> 5  0x00007ffff671ac7c  csoundReset
>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>> 6  0x00000000004bf5fa  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>> 
>> If I set SetHostImplementedMIDIIO to false just before calling
>> csoundReset I get the following sigrev, one short of above.
>> 
>> 0  0x00007fffefa5494f  midi_in_close
>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  906
>> 1  0x00007ffff65f8ed9  MidiClose
>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>> 2  0x00007ffff65dea7d  csoundCleanup
>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>> 3  0x00007ffff671a3e1  reset
>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>> 4  0x00007ffff671ac7c  csoundReset
>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>> 5  0x00000000004bf622  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>> 
>> I'm using the same test csd with the same -+trmidi=NULL -M0 options.
>> Once I get the older stable build going I should be able to work it
>> into my latest source, which is currently a mess :(
>> 
>> ------------------------------------------------------------------------------
>> How ServiceNow helps IT people transform IT departments:
>> 1. A cloud service to automate IT design, transition and operations
>> 2. Dashboards that offer high-level views of enterprise services
>> 3. A single system of record for all IT processes
>> http://p.sf.net/sfu/servicenow-d2d-j
>> _______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> How ServiceNow helps IT people transform IT departments:
> 1. A cloud service to automate IT design, transition and operations
> 2. Dashboards that offer high-level views of enterprise services
> 3. A single system of record for all IT processes
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> _______________________________________________
> Csound-devel mailing list
> Csound-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-devel

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
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Thanks Victor, I'll try that and let you know.

On 5 June 2013 17:55, Victor Lazzarini  wrote:
> you will going to have to help me debug this.
>
> This is what happens:
>
> 1)  csoundCreate() calls csoundReset() and there MIDI is initialised to alsa,
> in the call to csoundInitModules().
>    That is OK.
>
> 2) Then you call csoundHostImplementedMIDIIO(), which sets a flag telling
> Csound not to initialise MIDI anymore.
>
> 3) Then you initialise all the MIDI functions
>
>      csound->SetExternalMidiInOpenCallback(...);
>      csound->SetExternalMidiReadCallback(...);
>      csound->SetExternalMidiInCloseCallback(...);
>      csound->SetExternalMidiOutOpenCallback(...);
>      csound->SetExternalMidiWriteCallback(...);
>      csound->SetExternalMidiOutCloseCallback(...);
>
> This needs to be done otherwise, Csound will try to call these functions
> at some point. The ones you will not use will need a dummy no-op function.
>
> 4) csoundStart and csoundCompile will not set the dummy MIDI functions
> anymore, because of the host implemented flag.
>
> The crash is happening on cleanup as the alsa midi_in_close callback is being called.
> Check that the callback is pointing to your code and not alsa (maybe
> put a breakpoint in MidiClose).
>
> Victor
>
>
> On 5 Jun 2013, at 17:37, Victor Lazzarini wrote:
>
>> This is all because the callbacks are being reset at some point to the
>> defaults (alsa for linux). It's a bit of pain because I can't debug it here,
>> so I can't find exactly where they are being reset.
>>
>> I'll see what I can do.
>>
>> Victor
>>
>> On 5 Jun 2013, at 17:20, Rory Walsh wrote:
>>
>>> And just when you thought it was over! I'm starting to get
>>> intermittent sigrevs when I delete csound. I'm trying to find some
>>> consistency here, but I'm struggling. My current Cabbage source is a
>>> little messy, so I've gone back to a build of Cabbage from a month
>>> ago, that I know was stable. I've updated the code for Csound 6 and
>>> I've set SetHostImplementedMIDIIO to true after I create Csound.
>>> Behaviour is now far more consistent. When I call Csound reset I get
>>> the following problem:
>>>
>>> 0  0x00007ffff6d26afa  snd_rawmidi_close
>>> 1  0x00007fffefa5496e  midi_in_close
>>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  907
>>> 2  0x00007ffff65f8ed9  MidiClose
>>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>>> 3  0x00007ffff65dea7d  csoundCleanup
>>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>>> 4  0x00007ffff671a3e1  reset
>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>>> 5  0x00007ffff671ac7c  csoundReset
>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>>> 6  0x00000000004bf5fa  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>>>
>>> If I set SetHostImplementedMIDIIO to false just before calling
>>> csoundReset I get the following sigrev, one short of above.
>>>
>>> 0  0x00007fffefa5494f  midi_in_close
>>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  906
>>> 1  0x00007ffff65f8ed9  MidiClose
>>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>>> 2  0x00007ffff65dea7d  csoundCleanup
>>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>>> 3  0x00007ffff671a3e1  reset
>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>>> 4  0x00007ffff671ac7c  csoundReset
>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>>> 5  0x00000000004bf622  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>>>
>>> I'm using the same test csd with the same -+trmidi=NULL -M0 options.
>>> Once I get the older stable build going I should be able to work it
>>> into my latest source, which is currently a mess :(
>>>
>>> ------------------------------------------------------------------------------
>>> How ServiceNow helps IT people transform IT departments:
>>> 1. A cloud service to automate IT design, transition and operations
>>> 2. Dashboards that offer high-level views of enterprise services
>>> 3. A single system of record for all IT processes
>>> http://p.sf.net/sfu/servicenow-d2d-j
>>> _______________________________________________
>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> How ServiceNow helps IT people transform IT departments:
>> 1. A cloud service to automate IT design, transition and operations
>> 2. Dashboards that offer high-level views of enterprise services
>> 3. A single system of record for all IT processes
>> http://p.sf.net/sfu/servicenow-d2d-j
>> _______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
> ------------------------------------------------------------------------------
> How ServiceNow helps IT people transform IT departments:
> 1. A cloud service to automate IT design, transition and operations
> 2. Dashboards that offer high-level views of enterprise services
> 3. A single system of record for all IT processes
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> _______________________________________________
> Csound-devel mailing list
> Csound-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-devel

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Note these lines in main.c:

s = csoundQueryGlobalVariable(csound, "_RTMIDI");
if(csound->enableHostImplementedMIDIIO == 1) strcpy(s, "hostbased");

before the call to csoundInitModules(csound)

and

   s = csoundQueryGlobalVariable(csound, "_RTMIDI");
   strcpy(s, "hostbased");

down below, too.

This should set the _RTMIDI variable to hostbased so that the callbacks are not set.

Victor
On 5 Jun 2013, at 17:57, Rory Walsh wrote:

> Thanks Victor, I'll try that and let you know.
> 
> On 5 June 2013 17:55, Victor Lazzarini  wrote:
>> you will going to have to help me debug this.
>> 
>> This is what happens:
>> 
>> 1)  csoundCreate() calls csoundReset() and there MIDI is initialised to alsa,
>> in the call to csoundInitModules().
>>   That is OK.
>> 
>> 2) Then you call csoundHostImplementedMIDIIO(), which sets a flag telling
>> Csound not to initialise MIDI anymore.
>> 
>> 3) Then you initialise all the MIDI functions
>> 
>>     csound->SetExternalMidiInOpenCallback(...);
>>     csound->SetExternalMidiReadCallback(...);
>>     csound->SetExternalMidiInCloseCallback(...);
>>     csound->SetExternalMidiOutOpenCallback(...);
>>     csound->SetExternalMidiWriteCallback(...);
>>     csound->SetExternalMidiOutCloseCallback(...);
>> 
>> This needs to be done otherwise, Csound will try to call these functions
>> at some point. The ones you will not use will need a dummy no-op function.
>> 
>> 4) csoundStart and csoundCompile will not set the dummy MIDI functions
>> anymore, because of the host implemented flag.
>> 
>> The crash is happening on cleanup as the alsa midi_in_close callback is being called.
>> Check that the callback is pointing to your code and not alsa (maybe
>> put a breakpoint in MidiClose).
>> 
>> Victor
>> 
>> 
>> On 5 Jun 2013, at 17:37, Victor Lazzarini wrote:
>> 
>>> This is all because the callbacks are being reset at some point to the
>>> defaults (alsa for linux). It's a bit of pain because I can't debug it here,
>>> so I can't find exactly where they are being reset.
>>> 
>>> I'll see what I can do.
>>> 
>>> Victor
>>> 
>>> On 5 Jun 2013, at 17:20, Rory Walsh wrote:
>>> 
>>>> And just when you thought it was over! I'm starting to get
>>>> intermittent sigrevs when I delete csound. I'm trying to find some
>>>> consistency here, but I'm struggling. My current Cabbage source is a
>>>> little messy, so I've gone back to a build of Cabbage from a month
>>>> ago, that I know was stable. I've updated the code for Csound 6 and
>>>> I've set SetHostImplementedMIDIIO to true after I create Csound.
>>>> Behaviour is now far more consistent. When I call Csound reset I get
>>>> the following problem:
>>>> 
>>>> 0  0x00007ffff6d26afa  snd_rawmidi_close
>>>> 1  0x00007fffefa5496e  midi_in_close
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  907
>>>> 2  0x00007ffff65f8ed9  MidiClose
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>>>> 3  0x00007ffff65dea7d  csoundCleanup
>>>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>>>> 4  0x00007ffff671a3e1  reset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>>>> 5  0x00007ffff671ac7c  csoundReset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>>>> 6  0x00000000004bf5fa  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>>>> 
>>>> If I set SetHostImplementedMIDIIO to false just before calling
>>>> csoundReset I get the following sigrev, one short of above.
>>>> 
>>>> 0  0x00007fffefa5494f  midi_in_close
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  906
>>>> 1  0x00007ffff65f8ed9  MidiClose
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>>>> 2  0x00007ffff65dea7d  csoundCleanup
>>>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>>>> 3  0x00007ffff671a3e1  reset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>>>> 4  0x00007ffff671ac7c  csoundReset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>>>> 5  0x00000000004bf622  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>>>> 
>>>> I'm using the same test csd with the same -+trmidi=NULL -M0 options.
>>>> Once I get the older stable build going I should be able to work it
>>>> into my latest source, which is currently a mess :(
>>>> 
>>>> ------------------------------------------------------------------------------
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>>>> 1. A cloud service to automate IT design, transition and operations
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>>> 
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>> 
>>> 
>>> 
>>> 
>>> ------------------------------------------------------------------------------
>>> How ServiceNow helps IT people transform IT departments:
>>> 1. A cloud service to automate IT design, transition and operations
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>> 
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
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>> 1. A cloud service to automate IT design, transition and operations
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I made some changes, could you let me know if they have fixed the issue now?

Victor
On 5 Jun 2013, at 17:57, Rory Walsh wrote:

> Thanks Victor, I'll try that and let you know.
> 
> On 5 June 2013 17:55, Victor Lazzarini  wrote:
>> you will going to have to help me debug this.
>> 
>> This is what happens:
>> 
>> 1)  csoundCreate() calls csoundReset() and there MIDI is initialised to alsa,
>> in the call to csoundInitModules().
>>   That is OK.
>> 
>> 2) Then you call csoundHostImplementedMIDIIO(), which sets a flag telling
>> Csound not to initialise MIDI anymore.
>> 
>> 3) Then you initialise all the MIDI functions
>> 
>>     csound->SetExternalMidiInOpenCallback(...);
>>     csound->SetExternalMidiReadCallback(...);
>>     csound->SetExternalMidiInCloseCallback(...);
>>     csound->SetExternalMidiOutOpenCallback(...);
>>     csound->SetExternalMidiWriteCallback(...);
>>     csound->SetExternalMidiOutCloseCallback(...);
>> 
>> This needs to be done otherwise, Csound will try to call these functions
>> at some point. The ones you will not use will need a dummy no-op function.
>> 
>> 4) csoundStart and csoundCompile will not set the dummy MIDI functions
>> anymore, because of the host implemented flag.
>> 
>> The crash is happening on cleanup as the alsa midi_in_close callback is being called.
>> Check that the callback is pointing to your code and not alsa (maybe
>> put a breakpoint in MidiClose).
>> 
>> Victor
>> 
>> 
>> On 5 Jun 2013, at 17:37, Victor Lazzarini wrote:
>> 
>>> This is all because the callbacks are being reset at some point to the
>>> defaults (alsa for linux). It's a bit of pain because I can't debug it here,
>>> so I can't find exactly where they are being reset.
>>> 
>>> I'll see what I can do.
>>> 
>>> Victor
>>> 
>>> On 5 Jun 2013, at 17:20, Rory Walsh wrote:
>>> 
>>>> And just when you thought it was over! I'm starting to get
>>>> intermittent sigrevs when I delete csound. I'm trying to find some
>>>> consistency here, but I'm struggling. My current Cabbage source is a
>>>> little messy, so I've gone back to a build of Cabbage from a month
>>>> ago, that I know was stable. I've updated the code for Csound 6 and
>>>> I've set SetHostImplementedMIDIIO to true after I create Csound.
>>>> Behaviour is now far more consistent. When I call Csound reset I get
>>>> the following problem:
>>>> 
>>>> 0  0x00007ffff6d26afa  snd_rawmidi_close
>>>> 1  0x00007fffefa5496e  midi_in_close
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  907
>>>> 2  0x00007ffff65f8ed9  MidiClose
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>>>> 3  0x00007ffff65dea7d  csoundCleanup
>>>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>>>> 4  0x00007ffff671a3e1  reset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>>>> 5  0x00007ffff671ac7c  csoundReset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>>>> 6  0x00000000004bf5fa  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>>>> 
>>>> If I set SetHostImplementedMIDIIO to false just before calling
>>>> csoundReset I get the following sigrev, one short of above.
>>>> 
>>>> 0  0x00007fffefa5494f  midi_in_close
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/rtalsa.c  906
>>>> 1  0x00007ffff65f8ed9  MidiClose
>>>> /home/rory/sourcecode/csound-csound6-git/InOut/midirecv.c  597
>>>> 2  0x00007ffff65dea7d  csoundCleanup
>>>> /home/rory/sourcecode/csound-csound6-git/Engine/musmon.c  468
>>>> 3  0x00007ffff671a3e1  reset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2600
>>>> 4  0x00007ffff671ac7c  csoundReset
>>>> /home/rory/sourcecode/csound-csound6-git/Top/csound.c  2744
>>>> 5  0x00000000004bf622  Csound::Reset  /usr/local/include/csound/csound.hpp  359
>>>> 
>>>> I'm using the same test csd with the same -+trmidi=NULL -M0 options.
>>>> Once I get the older stable build going I should be able to work it
>>>> into my latest source, which is currently a mess :(
>>>> 
>>>> ------------------------------------------------------------------------------
>>>> How ServiceNow helps IT people transform IT departments:
>>>> 1. A cloud service to automate IT design, transition and operations
>>>> 2. Dashboards that offer high-level views of enterprise services
>>>> 3. A single system of record for all IT processes
>>>> http://p.sf.net/sfu/servicenow-d2d-j
>>>> _______________________________________________
>>>> Csound-devel mailing list
>>>> Csound-devel@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>> 
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>> 
>>> 
>>> 
>>> 
>>> ------------------------------------------------------------------------------
>>> How ServiceNow helps IT people transform IT departments:
>>> 1. A cloud service to automate IT design, transition and operations
>>> 2. Dashboards that offer high-level views of enterprise services
>>> 3. A single system of record for all IT processes
>>> http://p.sf.net/sfu/servicenow-d2d-j
>>> _______________________________________________
>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> 
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
>> How ServiceNow helps IT people transform IT departments:
>> 1. A cloud service to automate IT design, transition and operations
>> 2. Dashboards that offer high-level views of enterprise services
>> 3. A single system of record for all IT processes
>> http://p.sf.net/sfu/servicenow-d2d-j
>> _______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> ------------------------------------------------------------------------------
> How ServiceNow helps IT people transform IT departments:
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I only had a quick few minutes to test this, but it seems to be
working now. I noticed that in standalone mode Cabbage wasn't setting
the MIDI out close functions as I never thought of allowing MIDI out
from the standalone host. That probably explains why it was trying to
close the midi device itself. I'll do some more tests later and let
you know if anything pops up. Thanks again.

Rory.

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That's good. I've switched the order of operations in reset, so that modules do not
get initialised to the default there, but only later, and if the host implemented flag is set, then
the default does not get set. This I think is probably the right thing.

Victor

On 6 Jun 2013, at 13:00, Rory Walsh wrote:

> I only had a quick few minutes to test this, but it seems to be
> working now. I noticed that in standalone mode Cabbage wasn't setting
> the MIDI out close functions as I never thought of allowing MIDI out
> from the standalone host. That probably explains why it was trying to
> close the midi device itself. I'll do some more tests later and let
> you know if anything pops up. Thanks again.
> 
> Rory.
> 
> ------------------------------------------------------------------------------
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
How ServiceNow helps IT people transform IT departments:
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