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## oils_failures_allowed: 2
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## compare_shells: dash bash mksh
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# Job control constructs:
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# & terminator (instead of ;)
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# $! -- last PID
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# wait builtin (wait -n waits for next)
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#
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# Only interactive:
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# fg
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# bg
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# %1 -- current job
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wait
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## status: 0
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# The 127 is STILL overloaded. Copying bash for now.
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wait -n
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## status: 127
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## N-I dash status: 2
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## N-I mksh status: 1
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wait %nonexistent
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## status: 127
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## OK dash status: 2
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wait 12345678
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## status: 127
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wait zzz
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## status: 2
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## OK bash status: 1
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# mksh confuses a syntax error with 'command not found'!
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## BUG mksh status: 127
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echo async &
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wait
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## stdout: async
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sleep 0.01 &
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wait
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## stdout-json: ""
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echo hi | { exit 99; } &
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wait $!
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echo status=$?
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## stdout: status=99
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# foreground works
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{ echo hi; exit 55; } | false
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echo status=$? pipestatus=${PIPESTATUS[@]}
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{ echo hi; exit 55; } | false &
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echo status=$? pipestatus=${PIPESTATUS[@]}
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# Hm pipestatus doesn't work
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wait %+
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#wait %1
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#wait $!
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echo status=$? pipestatus=${PIPESTATUS[@]}
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## STDOUT:
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status=1 pipestatus=55 1
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status=0 pipestatus=0
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status=1 pipestatus=1
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## END
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## N-I dash status: 2
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## N-I dash stdout-json: ""
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{ sleep 0.09; exit 9; } &
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{ sleep 0.07; exit 7; } &
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wait # wait for all gives 0
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echo "status=$?"
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## stdout: status=0
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{ sleep 0.09; exit 9; } &
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pid1=$!
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{ sleep 0.07; exit 7; } &
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pid2=$!
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wait $pid2
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echo "status=$?"
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wait $pid1
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echo "status=$?"
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## stdout-json: "status=7\nstatus=9\n"
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{ sleep 0.08; exit 8; } &
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jid1=$!
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{ sleep 0.09; exit 9; } &
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jid2=$!
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{ sleep 0.07; exit 7; } &
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jid3=$!
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wait $jid1 $jid2 $jid3 # NOTE: not using %1 %2 %3 syntax on purpose
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echo "status=$?" # third job I think
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## stdout: status=7
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case $SH in (dash|mksh) return ;; esac
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{ sleep 0.09; exit 9; } &
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{ sleep 0.03; exit 3; } &
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wait -n
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echo "status=$?"
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wait -n
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echo "status=$?"
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## STDOUT:
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status=3
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status=9
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## END
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## N-I dash/mksh stdout-json: ""
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for i in 1 2 3; do
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echo $i
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sleep 0.0$i
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done &
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wait
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## stdout-json: "1\n2\n3\n"
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## status: 0
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echo ${foo=1}
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echo $foo
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echo ${bar=2} &
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wait
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echo $bar # bar is NOT SET in the parent process
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## stdout-json: "1\n1\n2\n\n"
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# This was inspired by #416, although that symptom there was timing, so it's
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# technically not a regression test. It's hard to test timing.
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{ sleep 0.1; exit 42; } &
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echo begin
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! true
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echo end
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wait $!
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echo status=$?
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## STDOUT:
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begin
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end
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status=42
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## END
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sleep 0.1 &
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sleep 0.1 | cat &
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# dash doesn't print if it's not a terminal?
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jobs | wc -l
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## STDOUT:
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2
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## END
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## BUG dash STDOUT:
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0
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## END
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sleep 0.1 &
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sleep 0.1 | cat &
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jobs -p > tmp.txt
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cat tmp.txt | wc -l # 2 lines, one for each job
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cat tmp.txt | wc -w # each line is a single "word"
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## STDOUT:
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2
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2
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## END
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