Andrea Rossato wrote:
Most likely, the content of s sits in a local buffer and never leaves this
process, following most OS conventions and as others point out. Another
process waiting for it will deadlock.
Yes, I knew it was something related to the underneath OS. I'll have
to study Unix seriously....
Your problem may be buffering-related (I haven't read your code to
check), but if so, there's a fair likelihood that it has nothing to do
with the OS. GHC's runtime does its own buffer management on Handles.
It's quite possible that your deadlock lies at that level, rather than
anything lower. Are you calling hFlush after writing to your pipe?
<b
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