wait-long.sh

#!/usr/bin/env bash

set -eEuo pipefail

declare -A name_pid
declare -A name_start

(
  echo "eka started"
  sleep 1
) &
name_pid['eka']=$!
name_start['eka']=$SECONDS

(
  echo "makkara started"
  sleep 2
  exit 0
) &
name_pid['makkara']=$!
name_start['makkara']=$SECONDS

(
  echo "kekkonen started"
  sleep 3
  exit 1
) &
name_pid['kekkonen']=$!
name_start['kekkonen']=$SECONDS

(
  echo "banaani started"
  sleep 4
  exit 123
) &
name_pid['banaani']=$!
name_start['banaani']=$SECONDS


(
  echo "toka started"
  sleep 8
) &
name_pid['toka']=$!
name_start['toka']=$SECONDS

(
  echo "kolmas started"
  sleep 999999
) &
name_pid['kolmas']=$!
name_start['kolmas']=$SECONDS

abort=no
while true; do
  if [[ "$abort" == "yes" ]]; then
    echo "Aborting"
    for pid in "${name_pid[@]}"; do
      kill $pid 2>/dev/null || true
    done
    break
  fi

  for name in "${!name_pid[@]}"; do
    pid=${name_pid[$name]}
    if ! kill -0 $pid 2>/dev/null; then
      if wait $pid; then
        exit_code=0
      else
        exit_code=$?
      fi
      echo "$name exited with code $exit_code"
      echo "$name finished in $((SECONDS - name_start[$name])) seconds"
      unset name_pid[$name]
      unset name_start[$name]
    elif (( SECONDS - name_start[$name] > 5 )); then
      echo "$name is taking too long, abort everything"
      abort=yes
      break
    fi
  done

  # Exit the loop if no processes remain
  if [[ ${#name_pid[@]} -eq 0 ]]; then
    break
  fi

  sleep 1
done

if [[ "$abort" == "yes" ]]; then
  echo "Aborted"
else
  echo "All done"
fi