What are some examples of multithreading in Ruby?

What are some examples of multithreading in Ruby?

In Ruby, multithreading allows concurrent execution of code. Here are a few examples:

1. Thread Creation: You can create a new thread using Thread.new.
2. Thread Synchronization: Use Mutex to prevent race conditions.
3. Thread Pools: Manage multiple threads efficiently with a thread pool.

Can you show me a simple code example for creating a thread?

Sure! Here's a simple example:

thread = Thread.new do
  5.times do |i|
    puts "Thread is running: #{i}"
    sleep(1)
  end
end
thread.join # Wait for the thread to finish

What about using Mutex for synchronization?

Here's an example using Mutex:

require 'thread'
mutex = Mutex.new
counter = 0
threads = 5.times.map do
  Thread.new do
    1000.times do
      mutex.synchronize do
        counter += 1
      end
    end
  end
end
threads.each(&:join)
puts counter # Should be 5000