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Date: Wed, 16 Jan 2019 20:08:00 -0500
From: Steven Hum <>
Subject: mkfifo buffer exhibiting unexpected behaviour

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

Are fifo buffers handled differently under musl?


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