On Wed, 12 Mar 2025 at 19:20, Florian Westphal <fw@xxxxxxxxx> wrote: > > Antonio Ojea <antonio.ojea.garcia@xxxxxxxxx> wrote: > > heh, I got bitten for that too, that is why I have > > > > echo PING >&3 && read line <&3 > > > > the moment that you read it from the fd, it does not come back to the > > socket and you break the loop. > > AFAIU the read could happen before socat managed to read from > the pipe (so nothing is sent over network). > > Or there could have been several writes over the network, > not just 'exactly one write'. I tcpdumped to verify the behavior, but let me work on it and use a different approach that is not so racy and random, I just wanted to validate my assumption on the expected behavior
