busybox-1.19.3/shell/ash_test/ash-misc/last_amp.tests - nest-learning-thermostat/5.1.5/busybox - Git at Google

 $THIS_SH -c 'echo 3&'
 d=`date`
 while test "`date`" = "$d"; do true; done
 d1=`date`
 $THIS_SH -c 'sleep 1&'
 d2=`date`
 test "$d1" = "$d2" || echo BAD
 echo End
	$THIS_SH -c 'echo 3&'
	d=`date`
	while test "`date`" = "$d"; do true; done
	d1=`date`
	$THIS_SH -c 'sleep 1&'
	d2=`date`
	test "$d1" = "$d2" \|\| echo BAD
	echo End