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You'd plausibly have the same problem with $msg_fifo, so you might want ... done 1<>"$msg_fifo" there, too. Or just have exec 3<>onefifo 4<>otherfifo and use -u 3 and -u 4 on the reads for symmetry. But yeah, if both writers close, that might fall into a busyloop. If that turns out to be an issue, I guess you could add an sleep .1 inside the loop, though of course it'd make the reaction time longer.

ilkkachu
– ilkkachu

2022-06-13 17:40:03 +00:00
Commented Jun 13, 2022 at 17:40

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