you can flush an outputstream using std::flush, e.g std::out << "This is a message that I hope doesn't get delayed" << std::flush;
Best regards, Marcus On 10/27/2015 06:18 AM, Richard Bell wrote: > Sure how would I do that? I'm not familiar with buffering related to > std::cout. > > Rich > > Sent from my iPad > >> On Oct 26, 2015, at 10:33 AM, Martin Braun <martin.br...@ettus.com> wrote: >> >> Rich, >> >> can you confirm that the output is actually occurring when you think it >> is? I.e., there's no buffering going on and older data is displayed? >> >> M >> >>> On 26.10.2015 10:20, Richard Bell wrote: >>> Hi all, >>> >>> I've got a flowgraph I made running from a python script in a for loop. >>> Each run through the loop different parameters are set for various >>> settings of the radio. >>> >>> The quirk I'm seeing, is that some std::cout statements generated from >>> flowgraph blocks are outputting 0's when they are not 0. Does anyone >>> know why this might be? >>> >>> For example, the variable num_bit_errors is what the flowgraph ends a >>> simulation on. If num_bit_errors > 100, I return WORK_DONE, which moves >>> the script onto the next loop iteration. This works fine, there is no >>> deadlock in the system. However, in the same area of code, I also do >>> std::cout << num_bit_errors so that I have a sense of how far along the >>> simulation is. These cout statements almost always return 0's, even >>> right before the flowgraph makes it past the if num_bit_errors > 100 >>> check. Another words, to make it through that if statements and complete >>> the flowgraph run, num_bit_errors must be non-zero. However, std::cout >>> reports that num_bit_error is 0. >>> >>> Not sure what's going on. >>> >>> Rich >>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
