busybox/shell/hush_test/hush-misc/wait6.tests

# In bash, "wait $!" extracts correct exitcode even if bg task has already exited
# It prints 0, then 3:
(sleep 0; exit 3) & sleep 1
echo $?
wait $!
echo $?
hush: fix "(sleep 1; exit 3) & sleep 2; echo $?; wait $!; echo $?" function old new delta process_wait_result 414 426 +12 builtin_wait 283 291 +8 run_list 974 978 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 24/0) Total: 24 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2017-07-08 02:26:02 +05:30			`# In bash, "wait $!" extracts correct exitcode even if bg task has already exited`
			`# It prints 0, then 3:`
			`(sleep 0; exit 3) & sleep 1`
			`echo $?`
			`wait $!`
			`echo $?`