Re: [Discuss-gnuradio] Can't stop the top_block which contain transmit_path

[Ling Huang]

Eric,
would you please tell me what cause tb.wait() hanging, where is this bug
from?
I have install the newest version of GNU Radio, but the problem is still the
same.

Eric Blossom wrote:
> 
> On Fri, May 15, 2009 at 12:55:20AM -0700, Ling Huang wrote:
>> 
>> Hi, all
>> I modify the gnuradio-examples/python/digital codes for some experiences.
>> In
>> one case I want to stop the running flow graph(top block), and then to
>> start
>> a new connect. I do it well in stop the receive_path connect. But I just
>> can't stop the top block contain a transmit_path. If I stop the top
>> block,
>> and wait, it hang in the tb.wait.
>> I seem not express well. To make it simple let's see:
>> class my_topblock(gr.top_block)
>>     def __init__(self):
>>          self.trans=transmit_path(...)
>>          self.connect(self.trans)
>> ....
>> 
>> tb.start()
>> tb.stop()
>> tb.wait() # IT HANG IN HERE
>> ...
>> tb.start()
>> 
>> I made a simple test code to test stopping the top block , please test it
>> to
>> see what's the problem.
> 
> What version of GNU Radio are you using?
> 
> We fixed a problem in the trunk about a month ago that could be
> related to this.
> 
> Eric
> 
> 
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> 

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