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hush: fix "wait PID"

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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
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/2 up/down: 660/-487)          Total: 173 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2016-10-28 21:57:31 +02:00
parent 8f7b0248ad
commit 7e6753609d
7 changed files with 246 additions and 174 deletions
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2
shell/hush_test/hush-misc/wait1.right Normal file
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[1] Running sleep 2

3
shell/hush_test/hush-misc/wait1.tests Executable file
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sleep 2 & sleep 1 & wait $!
echo $?
jobs

2
shell/hush_test/hush-misc/wait2.right Normal file
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[1] Running sleep 3

4
shell/hush_test/hush-misc/wait2.tests Executable file
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sleep 3 & sleep 2 & sleep 1
wait $!
echo $?
jobs

2
shell/hush_test/hush-misc/wait3.right Normal file
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3
[1] Running sleep 2

3
shell/hush_test/hush-misc/wait3.tests Executable file
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sleep 2 & (sleep 1;exit 3) & wait $!
echo $?
jobs