27 lines
373 B
Text
27 lines
373 B
Text
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#! /bin/bash
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NJOB=8
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i=0
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while [ $i -lt $NJOB ]
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do
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/bin/sh -c "sleep 4; exit 0" &
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rv=$?
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pid=$!
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eval bg_pid_$i=$pid
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# echo $$: Job $i: pid is $pid rv=$rv
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i=$((i + 1))
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done
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i=0
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while [ $i -lt $NJOB ]
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do
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eval wpid=\$bg_pid_$i
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echo Waiting for job $i #'('pid $wpid')'
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wait $wpid
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rv=$?
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echo job $i returns $rv
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i=$((i + 1))
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done
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