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24 lines
403 B
Plaintext
Executable File
24 lines
403 B
Plaintext
Executable File
trap "echo got signal" USR1
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for try in 1 2 3 4 5; do
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kill -USR1 $$
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sleep 0.2
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echo "sent $try signal"
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done &
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sleep 2 &
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sleeping=true
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while $sleeping; do
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trap
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if wait %%; then
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echo "sleep completed"
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sleeping=false
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elif [ $? == 127 ]; then
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echo "BUG: no processes to wait for?!"
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sleeping=false
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else
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echo "wait interrupted"
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fi
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done
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