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Date: Thu, 17 Jan 2019 12:45:53 +0100
From: Szabolcs Nagy <>
Cc: Steven Hum <>
Subject: Re: mkfifo buffer exhibiting unexpected behaviour

* Steven Hum <> [2019-01-16 20:08:00 -0500]:
> Running this simple test using clock from sutils to produce a repeating one second interval input stream..
> mkfifo fifo
> clock -i 1 -sf "T> stream one" >fifo &
> clock -i 1 -sf "D> stream two" >fifo &
> cat fifo
> on void musl only the second fifo input stream is displayed.

maybe it was a regular file then, add ls -l before between
and after the clock calls.

if it's always a pipe then run the entire script under strace -f
to see what the clocks are doing.

> on void glibc, both input streams are displayed interleaved as expected.

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