Merge pull request #13026 from Homebrew/dependabot/bundler/Library/Homebrew/concurrent-ruby-1.1.10

build(deps): bump concurrent-ruby from 1.1.9 to 1.1.10 in /Library/Homebrew

Library/Homebrew/Gemfile.lock

@@ -17,7 +17,7 @@ GEM
     coderay (1.1.3)
     commander (4.6.0)
       highline (~> 2.0.0)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     connection_pool (2.2.5)
     did_you_mean (1.6.1)
     diff-lcs (1.5.0)

Library/Homebrew/sorbet/rbi/gems/concurrent-ruby@1.1.10.rbi

@@ -1,9 +1,9 @@
+# typed: true
+
 # DO NOT EDIT MANUALLY
 # This is an autogenerated file for types exported from the `concurrent-ruby` gem.
 # Please instead update this file by running `bin/tapioca gem concurrent-ruby`.
 
-# typed: true
-
 module Concurrent
   extend ::Concurrent::Utility::EngineDetector
   extend ::Concurrent::Utility::NativeExtensionLoader
@@ -21,7 +21,7 @@ module Concurrent
   def dataflow_with(executor, *inputs, &block); end
   def dataflow_with!(executor, *inputs, &block); end
   def leave_transaction; end
-  def monotonic_time; end
+  def monotonic_time(unit = T.unsafe(nil)); end
 
   class << self
     def abort_transaction; end
@@ -42,7 +42,7 @@ module Concurrent
     def global_logger=(value); end
     def global_timer_set; end
     def leave_transaction; end
-    def monotonic_time; end
+    def monotonic_time(unit = T.unsafe(nil)); end
     def new_fast_executor(opts = T.unsafe(nil)); end
     def new_io_executor(opts = T.unsafe(nil)); end
     def physical_processor_count; end
@@ -89,7 +89,7 @@ class Concurrent::AbstractExecutorService < ::Concurrent::Synchronization::Locka
 
   private
 
-  def handle_fallback(*args); end
+  def fallback_action(*args); end
   def ns_auto_terminate?; end
   def ns_execute(*args, &task); end
   def ns_kill_execution; end
@@ -722,7 +722,6 @@ Concurrent::GLOBAL_FAST_EXECUTOR = T.let(T.unsafe(nil), Concurrent::Delay)
 Concurrent::GLOBAL_IMMEDIATE_EXECUTOR = T.let(T.unsafe(nil), Concurrent::ImmediateExecutor)
 Concurrent::GLOBAL_IO_EXECUTOR = T.let(T.unsafe(nil), Concurrent::Delay)
 Concurrent::GLOBAL_LOGGER = T.let(T.unsafe(nil), Concurrent::AtomicReference)
-Concurrent::GLOBAL_MONOTONIC_CLOCK = T.let(T.unsafe(nil), T.untyped)
 Concurrent::GLOBAL_TIMER_SET = T.let(T.unsafe(nil), Concurrent::Delay)
 class Concurrent::Hash < ::Hash; end
 Concurrent::HashImplementation = Hash
@@ -1784,14 +1783,14 @@ class Concurrent::RubyThreadPoolExecutor < ::Concurrent::RubyExecutorService
   def max_length; end
   def max_queue; end
   def min_length; end
+  def prune_pool; end
   def queue_length; end
-  def ready_worker(worker); end
+  def ready_worker(worker, last_message); end
   def remaining_capacity; end
   def remove_busy_worker(worker); end
   def scheduled_task_count; end
   def synchronous; end
   def worker_died(worker); end
-  def worker_not_old_enough(worker); end
   def worker_task_completed; end
 
   private
@@ -1804,12 +1803,11 @@ class Concurrent::RubyThreadPoolExecutor < ::Concurrent::RubyExecutorService
   def ns_kill_execution; end
   def ns_limited_queue?; end
   def ns_prune_pool; end
-  def ns_ready_worker(worker, success = T.unsafe(nil)); end
+  def ns_ready_worker(worker, last_message, success = T.unsafe(nil)); end
   def ns_remove_busy_worker(worker); end
   def ns_reset_if_forked; end
   def ns_shutdown_execution; end
   def ns_worker_died(worker); end
-  def ns_worker_not_old_enough(worker); end
 end
 
 Concurrent::RubyThreadPoolExecutor::DEFAULT_MAX_POOL_SIZE = T.let(T.unsafe(nil), Integer)
@@ -2216,11 +2214,9 @@ end
 class Concurrent::TVar < ::Concurrent::Synchronization::Object
   def initialize(value); end
 
-  def unsafe_increment_version; end
   def unsafe_lock; end
   def unsafe_value; end
   def unsafe_value=(value); end
-  def unsafe_version; end
   def value; end
   def value=(value); end
 
@@ -2285,7 +2281,6 @@ class Concurrent::TimerTask < ::Concurrent::RubyExecutorService
   def ns_kill_execution; end
   def ns_shutdown_execution; end
   def schedule_next_task(interval = T.unsafe(nil)); end
-  def timeout_task(completion); end
 
   class << self
     def execute(opts = T.unsafe(nil), &task); end
@@ -2300,9 +2295,9 @@ class Concurrent::Transaction
 
   def abort; end
   def commit; end
+  def open(tvar); end
   def read(tvar); end
   def unlock; end
-  def valid?; end
   def write(tvar, value); end
 
   class << self
@@ -2315,11 +2310,11 @@ Concurrent::Transaction::ABORTED = T.let(T.unsafe(nil), Object)
 class Concurrent::Transaction::AbortError < ::StandardError; end
 class Concurrent::Transaction::LeaveError < ::StandardError; end
 
-class Concurrent::Transaction::ReadLogEntry < ::Struct
-  def tvar; end
-  def tvar=(_); end
-  def version; end
-  def version=(_); end
+class Concurrent::Transaction::OpenEntry < ::Struct
+  def modified; end
+  def modified=(_); end
+  def value; end
+  def value=(_); end
 
   class << self
     def [](*_arg0); end

Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi

@@ -3488,7 +3488,13 @@ end
 
 Net::HTTPFatalErrorCode = Net::HTTPClientError
 
-Net::HTTPInformationCode = Net::HTTPInformation
+class Net::HTTPInformation
+end
+
+Net::HTTPInformationCode::EXCEPTION_TYPE = Net::HTTPError
+
+class Net::HTTPInformation
+end
 
 class Net::HTTPLoopDetected
   HAS_BODY = ::T.let(nil, ::T.untyped)
@@ -3548,7 +3554,13 @@ Net::HTTPServerErrorCode = Net::HTTPServerError
 
 Net::HTTPSession = Net::HTTP
 
-Net::HTTPSuccessCode = Net::HTTPSuccess
+class Net::HTTPSuccess
+end
+
+Net::HTTPSuccessCode::EXCEPTION_TYPE = Net::HTTPError
+
+class Net::HTTPSuccess
+end
 
 class Net::HTTPURITooLong
   HAS_BODY = ::T.let(nil, ::T.untyped)

Library/Homebrew/vendor/bundle/bundler/setup.rb

@@ -3,7 +3,7 @@ require 'rbconfig'
 ruby_engine = defined?(RUBY_ENGINE) ? RUBY_ENGINE : 'ruby'
 ruby_version = RbConfig::CONFIG["ruby_version"]
 path = File.expand_path('..', __FILE__)
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/concurrent-ruby-1.1.9/lib/concurrent-ruby"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/i18n-1.10.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/minitest-5.15.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/tzinfo-2.0.4/lib"

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent-ruby.rb

@@ -0,0 +1,5 @@
+# This file is here so that there is a file with the same name as the gem that
+# can be required by Bundler.require. Applications should normally
+# require 'concurrent'.
+
+require_relative "concurrent"

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/async.rb

@@ -272,6 +272,7 @@ module Concurrent
         obj.send(:init_synchronization)
         obj
       end
+      ruby2_keywords :new if respond_to?(:ruby2_keywords, true)
     end
     private_constant :ClassMethods
 

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/atomic/atomic_reference.rb

@@ -170,6 +170,7 @@ module Concurrent
                                       alias_method :compare_and_swap, :compare_and_set
                                       alias_method :swap, :get_and_set
                                     end
+                                    TruffleRubyAtomicReference
                                   when Concurrent.on_rbx?
                                     # @note Extends `Rubinius::AtomicReference` version adding aliases
                                     #   and numeric logic.

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/atomic/event.rb

@@ -19,7 +19,7 @@ module Concurrent
   #   t1 = Thread.new do
   #     puts "t1 is waiting"
   #     event.wait(1)
-  #     puts "event ocurred"
+  #     puts "event occurred"
   #   end
   #
   #   t2 = Thread.new do
@@ -30,8 +30,8 @@ module Concurrent
   #   [t1, t2].each(&:join)
   #
   #   # prints:
-  #   # t2 calling set
   #   # t1 is waiting
+  #   # t2 calling set
   #   # event occurred
   class Event < Synchronization::LockableObject
 

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/atomic/mutex_semaphore.rb

@@ -23,7 +23,14 @@ module Concurrent
 
       synchronize do
         try_acquire_timed(permits, nil)
-        nil
+      end
+
+      return unless block_given?
+
+      begin
+        yield
+      ensure
+        release(permits)
       end
     end
 
@@ -48,13 +55,22 @@ module Concurrent
       Utility::NativeInteger.ensure_integer_and_bounds permits
       Utility::NativeInteger.ensure_positive permits
 
-      synchronize do
+      acquired = synchronize do
         if timeout.nil?
           try_acquire_now(permits)
         else
           try_acquire_timed(permits, timeout)
         end
       end
+
+      return acquired unless block_given?
+      return unless acquired
+
+      begin
+        yield
+      ensure
+        release(permits)
+      end
     end
 
     # @!macro semaphore_method_release

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/atomic/reentrant_read_write_lock.rb

@@ -267,12 +267,10 @@ module Concurrent
         #   running right now, AND no writers who came before us still waiting to
         #   acquire the lock
         # Additionally, if any read locks have been taken, we must hold all of them
-        if c == held
-          # If we successfully swap the RUNNING_WRITER bit on, then we can go ahead
-          if @Counter.compare_and_set(c, c+RUNNING_WRITER)
-            @HeldCount.value = held + WRITE_LOCK_HELD
-            return true
-          end
+        if held > 0 && @Counter.compare_and_set(1, c+RUNNING_WRITER)
+          # If we are the only one reader and successfully swap the RUNNING_WRITER bit on, then we can go ahead
+          @HeldCount.value = held + WRITE_LOCK_HELD
+          return true
         elsif @Counter.compare_and_set(c, c+WAITING_WRITER)
           while true
             # Now we have successfully incremented, so no more readers will be able to increment

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/atomic/semaphore.rb

@@ -16,14 +16,16 @@ module Concurrent
   # @!macro semaphore_method_acquire
   #
   #   Acquires the given number of permits from this semaphore,
-  #     blocking until all are available.
+  #     blocking until all are available. If a block is given,
+  #     yields to it and releases the permits afterwards.
   #
   #   @param [Fixnum] permits Number of permits to acquire
   #
   #   @raise [ArgumentError] if `permits` is not an integer or is less than
   #     one
   #
-  #   @return [nil]
+  #   @return [nil, BasicObject] Without a block, `nil` is returned. If a block
+  #   is given, its return value is returned.
 
   # @!macro semaphore_method_available_permits
   #
@@ -41,7 +43,9 @@ module Concurrent
   #
   #   Acquires the given number of permits from this semaphore,
   #     only if all are available at the time of invocation or within
-  #     `timeout` interval
+  #     `timeout` interval. If a block is given, yields to it if the permits
+  #     were successfully acquired, and releases them afterward, returning the
+  #     block's return value.
   #
   #   @param [Fixnum] permits the number of permits to acquire
   #
@@ -51,8 +55,10 @@ module Concurrent
   #   @raise [ArgumentError] if `permits` is not an integer or is less than
   #     one
   #
-  #   @return [Boolean] `false` if no permits are available, `true` when
-  #     acquired a permit
+  #   @return [true, false, nil, BasicObject] `false` if no permits are
+  #     available, `true` when acquired a permit. If a block is given, the
+  #     block's return value is returned if the permits were acquired; if not,
+  #     `nil` is returned.
 
   # @!macro semaphore_method_release
   #
@@ -106,6 +112,8 @@ module Concurrent
   #   releasing a blocking acquirer.
   #   However, no actual permit objects are used; the Semaphore just keeps a
   #   count of the number available and acts accordingly.
+  #   Alternatively, permits may be acquired within a block, and automatically
+  #   released after the block finishes executing.
   #
   # @!macro semaphore_public_api
   # @example
@@ -140,6 +148,19 @@ module Concurrent
   #   # Thread 4 releasing semaphore
   #   # Thread 1 acquired semaphore
   #
+  # @example
+  #   semaphore = Concurrent::Semaphore.new(1)
+  #
+  #   puts semaphore.available_permits
+  #   semaphore.acquire do
+  #     puts semaphore.available_permits
+  #   end
+  #   puts semaphore.available_permits
+  #
+  #   # prints:
+  #   # 1
+  #   # 0
+  #   # 1
   class Semaphore < SemaphoreImplementation
   end
 end

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/abstract_executor_service.rb

@@ -75,28 +75,31 @@ module Concurrent
 
     private
 
-    # Handler which executes the `fallback_policy` once the queue size
-    # reaches `max_queue`.
+    # Returns an action which executes the `fallback_policy` once the queue
+    # size reaches `max_queue`. The reason for the indirection of an action
+    # is so that the work can be deferred outside of synchronization.
     #
     # @param [Array] args the arguments to the task which is being handled.
     #
     # @!visibility private
-    def handle_fallback(*args)
+    def fallback_action(*args)
       case fallback_policy
       when :abort
-        raise RejectedExecutionError
+        lambda { raise RejectedExecutionError }
       when :discard
-        false
+        lambda { false }
       when :caller_runs
-        begin
-          yield(*args)
-        rescue => ex
-          # let it fail
-          log DEBUG, ex
-        end
-        true
+        lambda {
+          begin
+            yield(*args)
+          rescue => ex
+            # let it fail
+            log DEBUG, ex
+          end
+          true
+        }
       else
-        fail "Unknown fallback policy #{fallback_policy}"
+        lambda { fail "Unknown fallback policy #{fallback_policy}" }
       end
     end
 

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/fixed_thread_pool.rb

@@ -71,9 +71,16 @@ module Concurrent
   #   @return [Integer] Number of tasks that may be enqueued before reaching `max_queue` and rejecting
   #     new tasks. A value of -1 indicates that the queue may grow without bound.
 
-
-
-
+  # @!macro thread_pool_executor_method_prune_pool
+  #   Prune the thread pool of unneeded threads
+  #
+  #   What is being pruned is controlled by the min_threads and idletime
+  #   parameters passed at pool creation time
+  #
+  #   This is a no-op on some pool implementation (e.g. the Java one).  The Ruby
+  #   pool will auto-prune each time a new job is posted. You will need to call
+  #   this method explicitely in case your application post jobs in bursts (a
+  #   lot of jobs and then nothing for long periods)
 
   # @!macro thread_pool_executor_public_api
   #
@@ -111,6 +118,9 @@ module Concurrent
   #
   #   @!method can_overflow?
   #     @!macro executor_service_method_can_overflow_question
+  #
+  #   @!method prune_pool
+  #     @!macro thread_pool_executor_method_prune_pool
 
 
 

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/java_executor_service.rb

@@ -20,7 +20,7 @@ if Concurrent.on_jruby?
 
       def post(*args, &task)
         raise ArgumentError.new('no block given') unless block_given?
-        return handle_fallback(*args, &task) unless running?
+        return fallback_action(*args, &task).call unless running?
         @executor.submit Job.new(args, task)
         true
       rescue Java::JavaUtilConcurrent::RejectedExecutionException

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/java_thread_pool_executor.rb

@@ -93,6 +93,10 @@ if Concurrent.on_jruby?
         super && !@executor.isTerminating
       end
 
+      # @!macro thread_pool_executor_method_prune_pool
+      def prune_pool
+      end
+
       private
 
       def ns_initialize(opts)

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/ruby_executor_service.rb

@@ -16,10 +16,16 @@ module Concurrent
 
     def post(*args, &task)
       raise ArgumentError.new('no block given') unless block_given?
-      synchronize do
-        # If the executor is shut down, reject this task
-        return handle_fallback(*args, &task) unless running?
-        ns_execute(*args, &task)
+      deferred_action = synchronize {
+        if running?
+          ns_execute(*args, &task)
+        else
+          fallback_action(*args, &task)
+        end
+      }
+      if deferred_action
+        deferred_action.call
+      else
         true
       end
     end

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/ruby_thread_pool_executor.rb

@@ -93,13 +93,8 @@ module Concurrent
     end
 
     # @!visibility private
-    def ready_worker(worker)
-      synchronize { ns_ready_worker worker }
-    end
-
-    # @!visibility private
-    def worker_not_old_enough(worker)
-      synchronize { ns_worker_not_old_enough worker }
+    def ready_worker(worker, last_message)
+      synchronize { ns_ready_worker worker, last_message }
     end
 
     # @!visibility private
@@ -112,6 +107,11 @@ module Concurrent
       synchronize { @completed_task_count += 1 }
     end
 
+    # @!macro thread_pool_executor_method_prune_pool
+    def prune_pool
+      synchronize { ns_prune_pool }
+    end
+
     private
 
     # @!visibility private
@@ -156,10 +156,11 @@ module Concurrent
       if ns_assign_worker(*args, &task) || ns_enqueue(*args, &task)
         @scheduled_task_count += 1
       else
-        handle_fallback(*args, &task)
+        return fallback_action(*args, &task)
       end
 
       ns_prune_pool if @next_gc_time < Concurrent.monotonic_time
+      nil
     end
 
     # @!visibility private
@@ -192,7 +193,7 @@ module Concurrent
     # @!visibility private
     def ns_assign_worker(*args, &task)
       # keep growing if the pool is not at the minimum yet
-      worker = (@ready.pop if @pool.size >= @min_length) || ns_add_busy_worker
+      worker, _ = (@ready.pop if @pool.size >= @min_length) || ns_add_busy_worker
       if worker
         worker << [task, args]
         true
@@ -223,7 +224,7 @@ module Concurrent
     def ns_worker_died(worker)
       ns_remove_busy_worker worker
       replacement_worker = ns_add_busy_worker
-      ns_ready_worker replacement_worker, false if replacement_worker
+      ns_ready_worker replacement_worker, Concurrent.monotonic_time, false if replacement_worker
     end
 
     # creates new worker which has to receive work to do after it's added
@@ -242,29 +243,21 @@ module Concurrent
     # handle ready worker, giving it new job or assigning back to @ready
     #
     # @!visibility private
-    def ns_ready_worker(worker, success = true)
+    def ns_ready_worker(worker, last_message, success = true)
       task_and_args = @queue.shift
       if task_and_args
         worker << task_and_args
       else
         # stop workers when !running?, do not return them to @ready
         if running?
-          @ready.push(worker)
+          raise unless last_message
+          @ready.push([worker, last_message])
         else
           worker.stop
         end
       end
     end
 
-    # returns back worker to @ready which was not idle for enough time
-    #
-    # @!visibility private
-    def ns_worker_not_old_enough(worker)
-      # let's put workers coming from idle_test back to the start (as the oldest worker)
-      @ready.unshift(worker)
-      true
-    end
-
     # removes a worker which is not in not tracked in @ready
     #
     # @!visibility private
@@ -278,10 +271,17 @@ module Concurrent
     #
     # @!visibility private
     def ns_prune_pool
-      return if @pool.size <= @min_length
-
-      last_used = @ready.shift
-      last_used << :idle_test if last_used
+      now = Concurrent.monotonic_time
+      stopped_workers = 0
+      while !@ready.empty? && (@pool.size - stopped_workers > @min_length)
+        worker, last_message = @ready.first
+        if now - last_message > self.idletime
+          stopped_workers += 1
+          @ready.shift
+          worker << :stop
+        else break
+        end
+      end
 
       @next_gc_time = Concurrent.monotonic_time + @gc_interval
     end
@@ -330,19 +330,10 @@ module Concurrent
 
       def create_worker(queue, pool, idletime)
         Thread.new(queue, pool, idletime) do |my_queue, my_pool, my_idletime|
-          last_message = Concurrent.monotonic_time
           catch(:stop) do
             loop do
 
               case message = my_queue.pop
-              when :idle_test
-                if (Concurrent.monotonic_time - last_message) > my_idletime
-                  my_pool.remove_busy_worker(self)
-                  throw :stop
-                else
-                  my_pool.worker_not_old_enough(self)
-                end
-
               when :stop
                 my_pool.remove_busy_worker(self)
                 throw :stop
@@ -350,9 +341,7 @@ module Concurrent
               else
                 task, args = message
                 run_task my_pool, task, args
-                last_message = Concurrent.monotonic_time
-
-                my_pool.ready_worker(self)
+                my_pool.ready_worker(self, Concurrent.monotonic_time)
               end
             end
           end

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/executor/safe_task_executor.rb

@@ -16,10 +16,10 @@ module Concurrent
 
     # @return [Array]
     def execute(*args)
-      synchronize do
-        success = false
-        value   = reason = nil
+      success = true
+      value   = reason = nil
 
+      synchronize do
         begin
           value   = @task.call(*args)
           success = true
@@ -27,9 +27,9 @@ module Concurrent
           reason  = ex
           success = false
         end
-
-        [success, value, reason]
       end
+
+      [success, value, reason]
     end
   end
 end

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/map.rb

@@ -281,7 +281,6 @@ module Concurrent
       each_pair { |k, v| return k if v == value }
       nil
     end unless method_defined?(:key)
-    alias_method :index, :key if RUBY_VERSION < '1.9'
 
     # Is map empty?
     # @return [true, false]

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/scheduled_task.rb

@@ -58,29 +58,42 @@ module Concurrent
   # @example Basic usage
   #
   #   require 'concurrent'
-  #   require 'thread'   # for Queue
-  #   require 'open-uri' # for open(uri)
+  #   require 'csv'
+  #   require 'open-uri'
   #
   #   class Ticker
-  #     def get_year_end_closing(symbol, year)
-  #       uri = "http://ichart.finance.yahoo.com/table.csv?s=#{symbol}&a=11&b=01&c=#{year}&d=11&e=31&f=#{year}&g=m"
-  #       data = open(uri) {|f| f.collect{|line| line.strip } }
-  #       data[1].split(',')[4].to_f
-  #     end
+  #     def get_year_end_closing(symbol, year, api_key)
+  #      uri = "https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&symbol=#{symbol}&apikey=#{api_key}&datatype=csv"
+  #      data = []
+  #      csv = URI.parse(uri).read
+  #      if csv.include?('call frequency')
+  #        return :rate_limit_exceeded
+  #      end
+  #      CSV.parse(csv, headers: true) do |row|
+  #        data << row['close'].to_f if row['timestamp'].include?(year.to_s)
+  #      end
+  #      year_end = data.first
+  #      year_end
+  #    rescue => e
+  #      p e
+  #    end
   #   end
   #
-  #   # Future
-  #   price = Concurrent::Future.execute{ Ticker.new.get_year_end_closing('TWTR', 2013) }
-  #   price.state #=> :pending
-  #   sleep(1)    # do other stuff
-  #   price.value #=> 63.65
-  #   price.state #=> :fulfilled
+  #   api_key = ENV['ALPHAVANTAGE_KEY']
+  #   abort(error_message) unless api_key
   #
-  #   # ScheduledTask
-  #   task = Concurrent::ScheduledTask.execute(2){ Ticker.new.get_year_end_closing('INTC', 2013) }
-  #   task.state #=> :pending
-  #   sleep(3)   # do other stuff
-  #   task.value #=> 25.96
+  #   # Future
+  #   price = Concurrent::Future.execute{ Ticker.new.get_year_end_closing('TWTR', 2013, api_key) }
+  #   price.state #=> :pending
+  #   price.pending? #=> true
+  #   price.value(0) #=> nil (does not block)
+  #
+  #    sleep(1)    # do other stuff
+  #
+  #   price.value #=> 63.65 (after blocking if necessary)
+  #   price.state #=> :fulfilled
+  #   price.fulfilled? #=> true
+  #   price.value #=> 63.65
   #
   # @example Successful task execution
   #

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/concurrent-ruby-1.1.10/lib/concurrent-ruby/concurrent/synchronization/lockable_object.rb

@@ -4,9 +4,7 @@ module Concurrent
     # @!visibility private
     # @!macro internal_implementation_note
     LockableObjectImplementation = case
-                                   when Concurrent.on_cruby? && Concurrent.ruby_version(:<=, 1, 9, 3)
-                                     MonitorLockableObject
-                                   when Concurrent.on_cruby? && Concurrent.ruby_version(:>, 1, 9, 3)
+                                   when Concurrent.on_cruby?
                                      MutexLockableObject
                                    when Concurrent.on_jruby?
                                      JRubyLockableObject