parallel/testsuite/tests-to-run/sem01.sh

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#!/bin/bash
echo '### Test mutex. This should not mix output';
parallel -u --semaphore seq 1 10 '|' pv -qL 20;
parallel -u --semaphore seq 11 20 '|' pv -qL 100;
parallel --semaphore --wait;
echo done
echo '### Test semaphore 2 jobs running simultaneously'
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parallel -u -j2 --semaphore 'echo job1a 1; sleep 1; echo job1b 3'
sleep 0.2
parallel -u -j2 --semaphore 'echo job2a 2; sleep 1; echo job2b 5'
sleep 0.2
parallel -u -j2 --semaphore 'echo job3a 4; sleep 1; echo job3b 6'
parallel --semaphore --wait
echo done
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echo '### Test if parallel invoked as sem will run parallel --semaphore'
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sem -u -j2 'echo job1a 1; sleep 1; echo job1b 3'
sleep 0.2
sem -u -j2 'echo job2a 2; sleep 1; echo job2b 5'
sleep 0.2
sem -u -j2 'echo job3a 4; sleep 1; echo job3b 6'
sem --wait
echo done
echo '### Test similar example as from man page - run 2 jobs simultaneously'
echo 'Expect done: 1 2 5 3 4'
for i in 5 1 2 3 4 ; do
sleep 0.2;
echo Scheduling $i;
sem -j2 -u echo starting $i ";" sleep $i ";" echo done $i;
done;
sem --wait
echo '### Test --fg followed by --bg'
parallel -u --fg --semaphore seq 1 10 '|' pv -qL 30;
parallel -u --bg --semaphore seq 11 20 '|' pv -qL 30;
parallel -u --fg --semaphore seq 21 30 '|' pv -qL 30;
parallel -u --bg --semaphore seq 31 40 '|' pv -qL 30;
sem --wait
echo '### Test bug #33621: --bg -p should give an error message'
stdout parallel -p --bg echo x{}
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echo '### Failed on 20141226'
sem --fg --line-buffer --id lock_id echo OK