From maintainers-request at octave dot org Wed Jun 22 07:02:06 2005
Subject: Re: Pointers data type in Octave to handle data structures
From: =?ISO-8859-1?Q?S=F8ren_Hauberg?= <soren at hauberg dot org>
To: Guillaume Schatz <gschatz at eivd dot ch>
CC: "Octave's maintainers list" <maintainers at octave dot org>
Date: Wed, 22 Jun 2005 14:01:08 +0200

Hi,
I think you should have asked at help at octave dot org, but if I understand 
you correctly you should have a look at

http://wiki.octave.org/wiki.pl?CodaTypes

for a tutorial on how to create a new type in Octave.

/Søren

Guillaume Schatz wrote:
> Hi,
> 
> I want to implement a set of functions to perform data acquisitions 
> using my own hardware. I want to use handle to have a reference to my 
> hardware like the following instructions in Matlab
> 
> handle = analogInput('nidaq','1');
> ...
> data = getData(handle);
> 
> Do you know how to use pointers in octave C++ files such as
> 
> DEFUN_DLD(getData,args, ,"...")
> {
>    handleType *myHandle;
>    myHandle = args(0).???
>    ...
>    ...
>    ...
>    pthread_mutex_lock(&(myHandle->myMutex));
>    ...
> }
> 
> I really need a pointer to this structure to manage my different threads.
> 
> Thank you for your help
> 
> Guillaume
>