Again, can't tell what you're trying to do, can't help you! Describe what problem you're trying to solve. On Wed, 2018-06-20 at 12:15 +0000, Amirhosein naseri wrote: > The flowgraph i mentioned was a simplified version of my work ... > > I can seprate it in two flowgraph, so in this situation i must run which side > of transfer first?? > > On Wednesday, June 20, 2018, 4:40:06 PM GMT+4:30, Müller, Marcus (CEL) > <muel...@kit.edu> wrote: > > > Well, I don't know what problem you're solving. It works if you're not > doing this in the same flow graph. > > On Wed, 2018-06-20 at 12:09 +0000, Amirhosein naseri wrote: > > Tnx Marcus for replying > > > > so based on what u said ... we can not use such configuration with FIFO , > > is it ture??? > > if NO , what is the solution??? > > > > On Wednesday, June 20, 2018, 4:28:52 PM GMT+4:30, Müller, Marcus (CEL) > > <muel...@kit.edu> wrote: > > > > > > That's normal FIFO behaviour! From `man 3 mkfifo`: > > > > > Opening a FIFO for reading normally blocks until some other process > > opens the same FIFO for writing, and vice versa. > > > > Remember, the GRC file is just converted to a Python program, in which > > the different blocks are instantiated sequentially. Now, the problem > > follows is that you can't even initialize the file source if the file > > sink doesn't finish initializing, or the other way around, whichever > > comes first. > > > > Best regards, > > Marcus > > > > On Wed, 2018-06-20 at 10:52 +0000, Amirhosein naseri wrote: > > > Hi everybody, > > > > > > I have a simple GRC like this: > > > > > > Signal Source ------> Throttle ------> File Sink > > > File Source ------> Throttle -----> Qt Freq Sink > > > > > > and i have a Piped File with mkfifo that GRC work with it. but when i run > > > GRC , it freezes ....... Why??? > > > > > > > > > Tnx?? > > > > > _______________________________________________ > > > Discuss-gnuradio mailing list > > > Discuss-gnuradio@gnu.org > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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