Re: how to prevent objects from being garbage collected.

You can use (or misuse)

  %feature("unref") MyClass ""

to prevent the object from been deleted when the script language
thinks is required. If your C++ libraryt has a ref. counting
mechanism, then you can use

  %feature("ref")   RCObj "$this->ref();"
  %feature("unref") RCObj "$this->unref();"
                                                                               

see  refcount.i in Examples/test-suite for more examples.

Marcelo



meinrad recheis wrote:

> hi,
>
> is there a way to prevent objects from being destructed by the ruby 
> garbage collector or at the end of the script, without having to write 
> markfunks for the owner of these objects?
>
> also user defined markfuncs for the containers would not help me with 
> the problem at the end of the script, i think.
>
> when ruby exits, all objects will be deleted and their C++ destructors 
> get called. if objects that are owned by others (in C++) are deleted 
> bevore their owners the owners will try to free them again and that 
> leads to memory access errors.
>
> how can i tell ruby to not call the destructor of certain objects??
> maybe i didn't understand something right, so please clarify.
>
> any comments are very appreciated!!
> thanks,
>  - henon
> _______________________________________________
> Swig maillist  -  Swig@xxxxxxxxxxxxxxx
> http://mailman.cs.uchicago.edu/mailman/listinfo/swig



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