test case - more SIGCHLD events correlates with more EINTR

sigchld_eintr_correlation.sh (text/plain), 373 bytes, created by Zac Medico on 2013-01-15 03:16:02 UTC

#!/bin/bash
# Demonstrate correlation between SIGCHLD events
# and redir_open EINTR failure on FreeBSD.
# https://bugs.gentoo.org/show_bug.cgi?id=447810

for x in {0..10} ; do
	# Fork some subshells, in order to trigger SIGCHLD events.
	( : ) &
	( : ) &
	( : ) &
	( : ) &
	( : ) &
	# Now do a vulnerable redir_open call.
	while read x ; do echo $x ; done < <(echo $x)
done