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74
timeout
Executable file
74
timeout
Executable file
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#!/bin/sh
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usage() {
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printf "Usage: %s [-t TIMEOUT] [-c COMMAND]\n\n" "$0"
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printf "TIMEOUT and COMMAND can be set as env vars.\n"
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}
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on_interrupt() {
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print "Process aborted!\n"
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exit 130
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}
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create_script() {
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printf "#!/bin/sh\n%s\n" "$1" > "$2"
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chmod +x "$SCRIPT_FILE"
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}
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run_script() {
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"$SCRIPT_FILE" >/dev/null 2>&1 &
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printf "%d" $!
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}
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stop_delete_script() {
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kill -9 $1
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rm -f "$2"
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}
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check_pid() {
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PID=$1
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LOOP=$2
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for i in $(seq 1 $LOOP); do
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test -d "/proc/$PID/" && sleep 1 || STATUS=0
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done
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kill -9 $PID
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printf "%d" ${STATUS:-1}
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}
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main() {
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while getopts "ht:c:" option; do
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case "${option}" in
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h) usage; exit 0;;
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t) TIMEOUT="$OPTARG";;
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c) COMMAND="$OPTARG";;
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*) usage; exit 1;;
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esac
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done
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TIMEOUT="${TIMEOUT:-10}"
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if [ -z "$COMMAND" ]; then
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printf "Command is required!\n"
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exit 1
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fi
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SCRIPT_FILE="$(mktemp)"
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create_script "$COMMAND" "$SCRIPT_FILE"
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SCRIPT_PID=$(run_script "$SCRIPT_FILE")
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EXIT_STATUS=$(check_pid "$SCRIPT_PID" "$TIMEOUT")
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stop_delete_script $PID "$SCRIPT_FILE"
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exit $EXIT_STATUS
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}
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trap on_interrupt INT
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main "$@"
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