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 &

# Ensure "wait" has something to wait for
sleep 2 &

# Ensure we do not execute "trap" below before "kill -USR1" above
# (was getting failure on loaded machine without this)
sleep 0.1

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	# Ensure "wait" has something to wait for
10	sleep 2 &
11
12	# Ensure we do not execute "trap" below before "kill -USR1" above
13	# (was getting failure on loaded machine without this)
14	sleep 0.1
15
16	sleeping=true
17	while $sleeping; do
18	trap
19	if wait %%; then
20	echo "sleep completed"
21	sleeping=false
22	elif [ $? == 127 ]; then
23	echo "BUG: no processes to wait for?!"
24	sleeping=false
25	else
26	echo "wait interrupted"
27	fi
28	done