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#!/bin/sh
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set -e
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running_in_background() {
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pid="$1"
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case "$("$PS" -o stat= -p "$pid" 2>/dev/null || echo '+')" in
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*+*) ;;
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*) return 0 ;;
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esac
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return 1
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}
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PS="${PS:-ps}"
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running_in_background "$@"
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