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Re: IDL 8.0 garbage collector issue. [message #72973] Thu, 21 October 2010 09:39
Bubba is currently offline  Bubba
Messages: 3
Registered: October 2010
Junior Member
On Oct 21, 11:19 am, Chris Torrence <gorth...@gmail.com> wrote:
> On Oct 20, 12:41 pm, Bill Dieckmann <bill.d...@gmail.com> wrote:
>
>> On Oct 20, 8:47 am, Bubba <boc...@gmail.com> wrote:
>
>>> Am I missing something?  Is this expected behavior?
>
>> I reported this to ITTvis a couple of months ago. The support engineer
>> told me
>> it will be fixed in the next upcoming IDL update.
>
> It is indeed fixed in the upcoming 8.0.1 patch (should be just a few
> weeks).
>
> -Chris
> ITTVIS

Awesome, I will axiously await the new release then:) Thanks for all
the replies.
Re: IDL 8.0 garbage collector issue. [message #72976 is a reply to message #72973] Thu, 21 October 2010 08:19 Go to previous message
chris_torrence@NOSPAM is currently offline  chris_torrence@NOSPAM
Messages: 528
Registered: March 2007
Senior Member
On Oct 20, 12:41 pm, Bill Dieckmann <bill.d...@gmail.com> wrote:
> On Oct 20, 8:47 am, Bubba <boc...@gmail.com> wrote:
>
>
>
>> Am I missing something?  Is this expected behavior?
>
> I reported this to ITTvis a couple of months ago. The support engineer
> told me
> it will be fixed in the next upcoming IDL update.

It is indeed fixed in the upcoming 8.0.1 patch (should be just a few
weeks).

-Chris
ITTVIS
Re: IDL 8.0 garbage collector issue. [message #72988 is a reply to message #72976] Wed, 20 October 2010 11:41 Go to previous message
bill.dman is currently offline  bill.dman
Messages: 17
Registered: June 2007
Junior Member
On Oct 20, 8:47 am, Bubba <boc...@gmail.com> wrote:
>
> Am I missing something?  Is this expected behavior?

I reported this to ITTvis a couple of months ago. The support engineer
told me
it will be fixed in the next upcoming IDL update.
Re: IDL 8.0 garbage collector issue. [message #72991 is a reply to message #72988] Wed, 20 October 2010 09:17 Go to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Paulo Penteado writes:

> If you are missing something, then so am I. To me it looks like a bug.

Isn't it interesting how difficult it is to tell if
something is a bug or not? It is particularly difficult
for me in IDL 8. I had built up some confidence in IDL
over the years, so I was getting better at this. Now
my confidence is back to about where it was when I was
just starting out, all those many years ago. ;-)

Cheers,

David

P.S. Let's just say Coyote's take on this is that it's
like being endlessly young and naive. The whole world
our oyster again!



--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
Re: IDL 8.0 garbage collector issue. [message #72992 is a reply to message #72991] Wed, 20 October 2010 08:58 Go to previous message
penteado is currently offline  penteado
Messages: 866
Registered: February 2018
Senior Member
Administrator
On Oct 20, 10:47 am, Bubba <boc...@gmail.com> wrote:
> Am I missing something?  Is this expected behavior?  It seems to me
> that you should be able to do this.  It would just be extra unneeded
> code to store the return into a variable just to be able to access
> it.  I use code like this a lot and I can't afford to update it
> everywhere.

If you are missing something, then so am I. To me it looks like a bug.
Re: IDL 8.0 garbage collector issue. [message #72993 is a reply to message #72992] Wed, 20 October 2010 07:24 Go to previous message
wlandsman is currently offline  wlandsman
Messages: 743
Registered: June 2000
Senior Member
On Oct 20, 8:47 am, Bubba <boc...@gmail.com> wrote:

> Am I missing something?  Is this expected behavior?  It seems to me
> that you should be able to do this.  It would just be extra unneeded
> code to store the return into a variable just to be able to access
> it.  I use code like this a lot and I can't afford to update it
> everywhere.

I agree that this looks like a bug in the IDL 8.0 garbage
collection. It works correctly in IDL 7.1.

One "fix" is to turn off garbage collection (so your code works the
same as in IDL 7.1) by adding

!null = heap_refcount(/disable)

to your startup file. --Wayne
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