Class: Bundler::ParallelWorkers::Worker

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/parallel_workers/worker.rb

Direct Known Subclasses

ThreadWorker, UnixWorker

Defined Under Namespace

Classes: WrappedException

Constant Summary collapse

POISON = 
Object.new

Instance Method Summary collapse

Constructor Details

#initialize(size, func) ⇒ Worker

Creates a worker pool of specified size

Parameters:

  • size (Integer) —

    Size of pool

  • func (Proc) —

    job to run in inside the worker pool



17
18
19
20
21
22
23
 
# File 'lib/bundler/parallel_workers/worker.rb', line 17

def initialize(size, func)
  @request_queue = Queue.new
  @response_queue = Queue.new
  prepare_workers size, func
  prepare_threads size
  trap("INT") { @threads.each {|i| i.exit }; stop_workers; exit 1 }
end

Instance Method Details

#deq ⇒ Object

Retrieves results of job function being executed in worker pool



33
34
35
36
37
38
39
 
# File 'lib/bundler/parallel_workers/worker.rb', line 33

def deq
  result = @response_queue.deq
  if result.is_a?(WrappedException)
    raise result.exception
  end
  result
end

#enq(obj) ⇒ Object

Enqueue a request to be executed in the worker pool

Parameters:

  • obj (String) —

    mostly it is name of spec that should be downloaded



28
29
30
 
# File 'lib/bundler/parallel_workers/worker.rb', line 28

def enq(obj)
  @request_queue.enq obj
end

#stop ⇒ Object

Stop the forked workers and started threads



42
43
44
45
 
# File 'lib/bundler/parallel_workers/worker.rb', line 42

def stop
  stop_threads
  stop_workers
end