1# $FreeBSD$ 2# Most shells print a message when a foreground job is killed by a signal. 3# POSIX allows this, provided the message is sent to stderr, not stdout. 4# Some trickery is needed to capture the message as redirecting stderr of 5# the command itself does not affect it. The colon command ensures that 6# the subshell forks for ${SH}. 7 8exec 3>&1 9r=`(${SH} -c 'kill $$'; :) 2>&1 >&3` 10[ -n "$r" ] 11