Rufus scheduler single cron, multiple "tasks", with and without mutex

code

require 'rufus-scheduler'

scheduler = Rufus::Scheduler.start_new

# without mutex
scheduler.cron '*/1 * * * *' do
  puts '1'
  sleep 10
  puts '2'
  sleep 5
  puts '3'
end

# with mutex
# scheduler.cron '*/1 * * * *', :mutex => 'my_mutex' do
#   puts '1'
#   sleep 10
#   puts '2'
#   sleep 5
#   puts '3'
# end

scheduler.join

output

# OUTPUT FOR BOTH
1
# 10 second pause
2
# 5 second pause
3
# 45 second pause
1
# 10 second pause
2
# 5 second pause
3
# 45 second pause
...