| Re: obj_destroy on IDL_IDLBridge hangs sometimes [message #72240 is a reply to message #72073] |
Fri, 20 August 2010 06:24   |
d.rowenhorst@gmail.co
Messages: 10
Registered: August 2008
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Junior Member |
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On Aug 20, 9:20 am, "d.rowenho...@gmail.com" <d.rowenho...@gmail.com>
wrote:
> On Aug 12, 4:43 pm, Alfred de Wijn <agdew...@gmail.com> wrote:
>
>
>
>
>
>> Hi,
>
>> I've been playing around with IDL_IDLBridge objects lately.
>> Everything seems to be working fine until I try to destroy the
>> bridges. Here's some code that demonstrates the problem:
>
>> ncpus = 4 ; or any other number you like
>> bridges = objarr(ncpus)
>> for i=0,999 do begin
>> print, 'building bridges...'
>> for cpu=0,ncpus-1 do bridges[cpu] = obj_new('IDL_IDLBridge')
>> print, 'burning bridges...'
>> for cpu=0,ncpus-1 do obj_destroy, bridges[cpu]
>> print, 'loop '+string(i)+' done'
>> endfor
>> end
>
>> On my Linux systems (both 32 and 64-bit), this will eventually hang
>> while calling obj_destroy. It appears that loop number 27 is
>> typically the one where things go wrong, but I've seen it fail earlier
>> too. When ncpus is larger, e.g., 16, failure is pretty much
>> guaranteed in the first loop. Does anyone know what's going on? Is
>> this a known issue?
>
>> I'm not particularly familiar with IDL object internals, so it's
>> likely I'm doing something stupid. Any help appreciated.
>
>> Thanks,
>> Alfred
>
> I can't help, but will verify that I am having the same issue on Mac
> 10.6.4.
Couple of other things I have noticed:
The Output='' keyword option in creating a IDL_IDLBridge also appears
not to work in IDLDE, but works in the command line IDL. Also, I
think that OBJ_DESTROY appears to work in the command line IDL (I have
not thoroughly tested this).
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