[erlang-questions] Emacs and erlang shell arguments

[jmT2]

Something that I would probably find in an hour but if someone alread  
knows:

How can I start the erlang shell under emacs with some arguments such as  
-name .. -cookie .. etc? I got as far as (set  
'inferior-erlang-machine-options '("-name foo")) but it didn't quite work  
:-(

  johan




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Johan Montelius
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[Raimo Niskanen-2]

You can set the enviroment variable ERL_FLAGS to
"-name .. -cookie .. etc".



On Fri, Sep 15, 2006 at 07:48:29AM +0200, jmT2 wrote:

>
>
> Something that I would probably find in an hour but if someone alread  
> knows:
>
> How can I start the erlang shell under emacs with some arguments such as  
> -name .. -cookie .. etc? I got as far as (set  
> 'inferior-erlang-machine-options '("-name foo")) but it didn't quite work  
> :-(
>
>   johan
>
>
>
>
> -----------
> Johan Montelius
> _______________________________________________
> erlang-questions mailing list
> [hidden email]
> http://www.erlang.org/mailman/listinfo/erlang-questions

--

/ Raimo Niskanen, Erlang/OTP, Ericsson AB
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[jmT2]

Thanks, but then I cant easily have multiple erlang shells
with different names. The trick was to do:

(set 'inferior-erlang-machine-options '("-name" "foo"))

And now I'm only fighting the problems with running distributed on XP.  
Works on two machines of three, close but no cigar :-(  Any hints are  
welcome.

   Johan



Den 2006-09-15 09:04:16 skrev Raimo Niskanen  
<[hidden email]>:

> You can set the enviroment variable ERL_FLAGS to
> "-name .. -cookie .. etc".
>
>
>
> On Fri, Sep 15, 2006 at 07:48:29AM +0200, jmT2 wrote:
>>
>>
>> Something that I would probably find in an hour but if someone alread
>> knows:
>>
>> How can I start the erlang shell under emacs with some arguments such as
>> -name .. -cookie .. etc? I got as far as (set
>> 'inferior-erlang-machine-options '("-name foo")) but it didn't quite  
>> work
>> :-(
>>
>>   johan
>>
>>
>>
>>
>> -----------
>> Johan Montelius
>> _______________________________________________
>> erlang-questions mailing list
>> [hidden email]
>> http://www.erlang.org/mailman/listinfo/erlang-questions
>

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Johan Montelius jmT2
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[Jani Hakala]

jmT2 <[hidden email]> writes:

> Thanks, but then I cant easily have multiple erlang shells
> with different names. The trick was to do:
>
> (set 'inferior-erlang-machine-options '("-name" "foo"))
>
> And now I'm only fighting the problems with running distributed on XP.  
> Works on two machines of three, close but no cigar :-(  Any hints are  
> welcome.
>
I guess that there are not many hints available unless the problem is
DNS or firewall related.

Can you tell if there are any major differences in those windows XP
computers? Like windows xp home vs pro, different firewall program or
settings, different antivirus protection, different processor, etc.

It's a pity that there seems to be no linux strace program equivalent
for windows.

Jani Hakala
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[Vlad Dumitrescu-2]

On 9/16/06, Jani Hakala <[hidden email]> wrote:
> It's a pity that there seems to be no linux strace program equivalent
> for windows.

You mean like for example the one at

http://www.softpedia.com/get/Programming/Debuggers-Decompilers-Dissasemblers/Strace%20NT.shtml

or

http://www.bindview.com/Services/RAZOR/Utilities/Windows/strace_readme.cfm

? ;-)

best regards,
Vlad
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[Jani Hakala]

"Vlad Dumitrescu" <[hidden email]> writes:

> On 9/16/06, Jani Hakala <[hidden email]> wrote:
>> It's a pity that there seems to be no linux strace program
>> equivalent for windows.
>
> You mean like for example the one at
>
> http://www.softpedia.com/get/Programming/Debuggers-Decompilers-Dissasemblers/Strace%20NT.shtml
>
I now tested this one briefly.

In documentation it is said that
'- Does not trace child processes created by the traced process
 - Does not trace functions which are called by using GetProcAddress method'

This could mean that device drivers can't be traced if +A is used.

Windows port of erlang is built so that is uses GetProcAddress in the
very beginning of erl.c in order to call win_erlexec. Also in the
inet_drv.c GetProcAddress is used and some sort of jumptable way to
call socket functions is used instead of direct calls.

It would be nice to hear why this actually is necessary.

I guess StraceNT program could work a little bit better otherwise so
that it might be possible to see what socket related functions
return.

In any case StraceNT displays calls like LoadLibrary("beam.dll")
"[T2644] LoadLibraryA(662b9830, 0, 24a758, 0, ...) = 71ab0000"

This doesn't look so good, I would except to see
LoadLibrary("beam.dll")

I guess linux strace could also have some trouble if dlopen and dlsym
are used.

> or
>
> http://www.bindview.com/Services/RAZOR/Utilities/Windows/strace_readme.cfm
>
I found this one earlier and decided that I don't want to touch it.
It requires changing
 HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\EnforceWriteProtection

'This disables the kernel from checking for errant memory overwrites...'

Support for 'Windows XP' is said to be preliminary.

Jani Hakala
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[Vlad Dumitrescu-2]

> >> It's a pity that there seems to be no linux strace program
> >> equivalent for windows.
> >
> > You mean like for example the one at

Well, if you had said "there seems to be no strace that works" I
wouldn't have assumed you didn't found these. I haven't tested them,
but I thought they might be useful (maybe the calls that are pertinent
to the problem will be shown in the trace)

regards,
Vlad
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