busybox/shell/hush_test/hush-misc/wait2.tests
Denys Vlasenko 7e6753609d hush: fix "wait PID"
It was not properly interruptible, and did not update job status
(the exited processes were still thought of as running).

function                                             old     new   delta
process_wait_result                                    -     453    +453
wait_for_child_or_signal                               -     199    +199
run_list                                             996    1002      +6
checkjobs_and_fg_shell                                41      43      +2
builtin_wait                                         328     215    -113
checkjobs                                            516     142    -374
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(add/remove: 2/0 grow/shrink: 2/2 up/down: 660/-487)          Total: 173 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-28 21:59:09 +02:00

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sleep 3 & sleep 2 & sleep 1
wait $!
echo $?
jobs