[Rd] pipe(): input to, and output from, a single process

Greg Minshall m|n@h@|| @end|ng |rom um|ch@edu
Mon Mar 16 20:06:32 CET 2020

Gabor, thanks.  yes, managing the two-way communication is always a bit
error-prone, as it depends on the input/output characteristics of the
two ends -- they either match, or deadlock.  it's too bad if polling is
always *required* -- i'd think sometimes a programmer would be happy
blocking, though other times one wants better control over when to
block.  cheers, Greg

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