ash_test/ash-signals/signal1.tests

trap "echo got signal" USR1

for try in 1 2 3 4 5; do
    kill -USR1 $$
    sleep 0.2
    echo "sent $try signal"
done &

sleep 2 &

sleeping=true
while $sleeping; do
    trap
    if wait %%; then
        echo "sleep completed"
        sleeping=false
    elif [ $? == 127 ]; then
        echo "BUG: no processes to wait for?!"
        sleeping=false
    else
        echo "wait interrupted"
    fi
done
1	trap "echo got signal" USR1
2
3	for try in 1 2 3 4 5; do
4	kill -USR1 $$
5	sleep 0.2
6	echo "sent $try signal"
7	done &
8
9	sleep 2 &
10
11	sleeping=true
12	while $sleeping; do
13	trap
14	if wait %%; then
15	echo "sleep completed"
16	sleeping=false
17	elif [ $? == 127 ]; then
18	echo "BUG: no processes to wait for?!"
19	sleeping=false
20	else
21	echo "wait interrupted"
22	fi
23	done