Hello again, could you please Marcus, or somebody else, give me some hint for sending done message to a block's "system" port. Are all blocks by default subscribed to system port?
Best, Nemanja On Tue, May 26, 2015 at 2:37 PM, Nemanja Savic <vlasi...@gmail.com> wrote: > Hi, > > thank you Marcus for your fast answer. Well, the problem is that nobody > ecept scheduler knows when the flowgraph has finished, so I don't know who > should sent that message to the block. This is however not of crucial > importance for me. Namely I wanted to test some of my custom blocks, and > test flowgraph necever reached completion, but as soon as message accepting > dummy block was out everything was fine. > > Best, > Nemanja > > On Tue, May 26, 2015 at 2:29 PM, Marcus Müller <marcus.muel...@ettus.com> > wrote: > >> Hi Nemanja, >> >> the point is that with message passing, it's not clear that your block is >> ever finished. >> Hence in block.cc, we have a mechanism to retrieve the "finishedness" of >> a pure-message-block. >> >> bool >> block::finished() >> { >> if((detail()->ninputs() != 0) || (detail()->noutputs() != 0)) >> return false; >> else >> return d_finished; >> } >> >> >> So, you'll have to set the d_finished variable of your block; sadly, >> that's a private one by design (I think there are thread-safety reasons >> this is not directly exposed, but I'm not sure -- I'd have to as T[io]m >> about that). >> The proper way to do so is to send your block a message to its >> pmt::mp("system") port, containing pmt::mp("done"). >> >> >> Best regards, >> Marcus >> >> >> On 05/26/2015 02:10 PM, Nemanja Savic wrote: >> >> Hi all, >> >> I have a block that is used only for acepting messages and writing their >> content into database. The block is written in python and it has no work >> function, but only constructor and message handler. However when I run my >> flowgraph it won't finish until I terminate it. When I exclude this block >> it runs to completion normally. >> Is there any issue with messages in this case. Should I manually delete >> messages from the message queue or something like that. >> >> Best, >> >> -- >> Nemanja Savić >> >> >> _______________________________________________ >> Discuss-gnuradio mailing >> listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > -- > Nemanja Savić > -- Nemanja Savić
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