On Sat, Feb 14, 2015 at 3:34 PM, Piotr Krysik <per...@o2.pl> wrote: > W dniu 29.04.2014 o 16:20, Tom Rondeau pisze: > > On Tue, Apr 29, 2014 at 9:33 AM, Perper <per...@o2.pl > > <mailto:per...@o2.pl>> wrote: > > > > Hi all, > > > > I want to use message passing blocks for operations where strict > > synchronization is not necessary. However in flowgraphs using message > > passing with "Run to completion" option turned on the program doesn't > > exit on last processed sample. Is this a bug? > > > > I want to use message passing in my programs (mainly in > > https://github.com/Jakotako/gr-gsm) but completion after processing > of > > all input data is also very important for me. > > > > -- > > Piotr Krysik > > > > > > > > Yes, this is a known issue and we are working on it. > > > > Tom > > > Hi Tom, > > In GNU Radio 3.7.6 this is still an issue. It's quite serious because > whole class of applications that would use message passing and rely on > the processing in the flowgraph to end after processing of chunk of the > signal (i.e. to change the flowgraph in known conditions) is not possible. > > I'm working on a simple gsm network monitor application based on gr-gsm > (https://github.com/ptrkrysik/gr-gsm) and have quite hard time because > of this issue. > > Is this some general problem where the source of it is that GNU Radio > was meant primarily to process stream of samples? Or is it some simpler > matter? > > I've attached vary simple flowgraph that demonstrates the problem. > > Best Regards, > Piotr Krysik >
The fix for this was pushed a couple of weeks ago and will make it in the 3.7.7 release. We're looking to see any side effects and might be able to back-port it for the next 3.7.6 maint release. Commit here: https://github.com/gnuradio/gnuradio/commit/035b9d016dffefec890323bd0b24dbaf23aa9186 Tom
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