class Rack::Lock

Rack::Lock locks every request inside a mutex, so that every request will effectively be executed synchronously.

Public Class Methods

new(app, mutex = Mutex.new) click to toggle source

# File lib/rack/lock.rb, line 8
def initialize(app, mutex = Mutex.new)
  @app, @mutex = app, mutex
end

Public Instance Methods

call(env) click to toggle source

# File lib/rack/lock.rb, line 12
def call(env)
  @mutex.lock
  @env = env
  @old_rack_multithread = env[RACK_MULTITHREAD]
  begin
    response = @app.call(env.merge!(RACK_MULTITHREAD => false))
    returned = response << BodyProxy.new(response.pop) { unlock }
  ensure
    unlock unless returned
  end
end

Private Instance Methods

unlock() click to toggle source

# File lib/rack/lock.rb, line 26
def unlock
  @mutex.unlock
  @env[RACK_MULTITHREAD] = @old_rack_multithread
end