Send USR1 signal to shoryuken processes that did not terminate

shoryuken_process_clean.sh

#!/bin/sh

pid_files=("$@")
correct_pids=()

if [ ${#pid_files[@]} -le 0 ]; then
  echo "Usage: ./shoryuken_process_clean.sh PID_FILE..."
  exit 1
fi

for ((idx=0; idx<${#pid_files[@]}; idx++)) do
  correct_pids+=(`cat ${pid_files[$idx]}`)
done

exist_pid() {
  for ((j=0; j<${#correct_pids[@]}; j++)) do
    if [ ${correct_pids[$j]} -eq $1 ]; then
      true
      return
    fi
  done

  false
}

active_pids=(`ps aux | awk '$11 == "ruby" && $12 ~ /shoryuken$/ {print $2}'`)

for ((i=0; i<${#active_pids[@]}; i++)) do
  exist_pid ${active_pids[i]}
  if [ $? -eq 1 ]; then
    kill -USR1 ${active_pids[i]}
  fi
done