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ðŸ“ ..
ðŸ“„ English.rb(6.44 KB)
ðŸ“„ abbrev.rb(3.31 KB)
ðŸ“„ base64.rb(2.63 KB)
ðŸ“„ benchmark.rb(17.94 KB)
ðŸ“ cgi
ðŸ“„ cgi.rb(9.39 KB)
ðŸ“„ cmath.rb(7.22 KB)
ðŸ“„ complex.rb(380 B)
ðŸ“„ csv.rb(81.32 KB)
ðŸ“ date
ðŸ“„ date.rb(946 B)
ðŸ“„ debug.rb(28.9 KB)
ðŸ“„ delegate.rb(9.78 KB)
ðŸ“ digest
ðŸ“„ digest.rb(2.24 KB)
ðŸ“ dl
ðŸ“„ dl.rb(280 B)
ðŸ“ drb
ðŸ“„ drb.rb(19 B)
ðŸ“„ e2mmap.rb(3.8 KB)
ðŸ“„ erb.rb(26.08 KB)
ðŸ“„ expect.rb(2.14 KB)
ðŸ“ fiddle
ðŸ“„ fiddle.rb(1.25 KB)
ðŸ“„ fileutils.rb(46.35 KB)
ðŸ“„ find.rb(2.08 KB)
ðŸ“„ forwardable.rb(7.56 KB)
ðŸ“„ getoptlong.rb(15.38 KB)
ðŸ“„ gserver.rb(8.86 KB)
ðŸ“„ ipaddr.rb(26.17 KB)
ðŸ“ irb
ðŸ“„ irb.rb(20.03 KB)
ðŸ“ json
ðŸ“„ json.rb(1.74 KB)
ðŸ“„ kconv.rb(5.74 KB)
ðŸ“„ logger.rb(20.96 KB)
ðŸ“„ mathn.rb(6.52 KB)
ðŸ“ matrix
ðŸ“„ matrix.rb(45.02 KB)
ðŸ“„ mkmf.rb(78.19 KB)
ðŸ“„ monitor.rb(6.93 KB)
ðŸ“„ mutex_m.rb(2 KB)
ðŸ“ net
ðŸ“„ observer.rb(5.71 KB)
ðŸ“„ open-uri.rb(23.66 KB)
ðŸ“„ open3.rb(21.17 KB)
ðŸ“ openssl
ðŸ“„ openssl.rb(528 B)
ðŸ“ optparse
ðŸ“„ optparse.rb(51.27 KB)
ðŸ“„ ostruct.rb(7.64 KB)
ðŸ“„ pathname.rb(15.3 KB)
ðŸ“„ pp.rb(13.14 KB)
ðŸ“„ prettyprint.rb(9.63 KB)
ðŸ“„ prime.rb(13.98 KB)
ðŸ“„ profile.rb(205 B)
ðŸ“„ profiler.rb(4.29 KB)
ðŸ“„ pstore.rb(14.85 KB)
ðŸ“ psych
ðŸ“„ psych.rb(9.9 KB)
ðŸ“ racc
ðŸ“ rake
ðŸ“„ rake.rb(2.07 KB)
ðŸ“„ rational.rb(308 B)
ðŸ“ rbconfig
ðŸ“ rdoc
ðŸ“„ rdoc.rb(4.88 KB)
ðŸ“„ resolv-replace.rb(1.73 KB)
ðŸ“„ resolv.rb(61.45 KB)
ðŸ“ rexml
ðŸ“ rinda
ðŸ“ ripper
ðŸ“„ ripper.rb(2.53 KB)
ðŸ“ rss
ðŸ“„ rss.rb(2.84 KB)
ðŸ“ rubygems
ðŸ“„ rubygems.rb(27.53 KB)
ðŸ“„ scanf.rb(23.52 KB)
ðŸ“„ securerandom.rb(8.56 KB)
ðŸ“„ set.rb(17.32 KB)
ðŸ“ shell
ðŸ“„ shell.rb(10.3 KB)
ðŸ“„ shellwords.rb(5.94 KB)
ðŸ“„ singleton.rb(4.02 KB)
ðŸ“„ socket.rb(25.76 KB)
ðŸ“„ sync.rb(7.26 KB)
ðŸ“ syslog
ðŸ“„ tempfile.rb(10.15 KB)
ðŸ“ test
ðŸ“„ thread.rb(6.94 KB)
ðŸ“„ thwait.rb(3.38 KB)
ðŸ“„ time.rb(21.09 KB)
ðŸ“„ timeout.rb(3.16 KB)
ðŸ“„ tmpdir.rb(4.15 KB)
ðŸ“„ tracer.rb(6.54 KB)
ðŸ“„ tsort.rb(6.79 KB)
ðŸ“„ ubygems.rb(268 B)
ðŸ“„ un.rb(8.34 KB)
ðŸ“ uri
ðŸ“„ uri.rb(3.07 KB)
ðŸ“„ weakref.rb(3.23 KB)
ðŸ“ webrick
ðŸ“„ webrick.rb(6.7 KB)
ðŸ“ x86_64-linux
ðŸ“ xmlrpc
ðŸ“„ xmlrpc.rb(8.49 KB)
ðŸ“ yaml
ðŸ“„ yaml.rb(2.3 KB)

Editing: thread.rb

#
#               thread.rb - thread support classes
#                       by Yukihiro Matsumoto <matz@netlab.co.jp>
#
# Copyright (C) 2001  Yukihiro Matsumoto
# Copyright (C) 2000  Network Applied Communication Laboratory, Inc.
# Copyright (C) 2000  Information-technology Promotion Agency, Japan
#

unless defined? Thread
  raise "Thread not available for this ruby interpreter"
end

unless defined? ThreadError
  class ThreadError < StandardError
  end
end

if $DEBUG
  Thread.abort_on_exception = true
end

#
# ConditionVariable objects augment class Mutex. Using condition variables,
# it is possible to suspend while in the middle of a critical section until a
# resource becomes available.
#
# Example:
#
#   require 'thread'
#
#   mutex = Mutex.new
#   resource = ConditionVariable.new
#
#   a = Thread.new {
#     mutex.synchronize {
#       # Thread 'a' now needs the resource
#       resource.wait(mutex)
#       # 'a' can now have the resource
#     }
#   }
#
#   b = Thread.new {
#     mutex.synchronize {
#       # Thread 'b' has finished using the resource
#       resource.signal
#     }
#   }
#
class ConditionVariable
  #
  # Creates a new ConditionVariable
  #
  def initialize
    @waiters = {}
    @waiters_mutex = Mutex.new
  end

#
  # Releases the lock held in +mutex+ and waits; reacquires the lock on wakeup.
  #
  # If +timeout+ is given, this method returns after +timeout+ seconds passed,
  # even if no other thread doesn't signal.
  #
  def wait(mutex, timeout=nil)
    Thread.handle_interrupt(StandardError => :never) do
      begin
        Thread.handle_interrupt(StandardError => :on_blocking) do
          @waiters_mutex.synchronize do
            @waiters[Thread.current] = true
          end
          mutex.sleep timeout
        end
      ensure
        @waiters_mutex.synchronize do
          @waiters.delete(Thread.current)
        end
      end
    end
    self
  end

#
  # Wakes up the first thread in line waiting for this lock.
  #
  def signal
    Thread.handle_interrupt(StandardError => :on_blocking) do
      begin
        t, _ = @waiters_mutex.synchronize { @waiters.shift }
        t.run if t
      rescue ThreadError
        retry # t was already dead?
      end
    end
    self
  end

#
  # Wakes up all threads waiting for this lock.
  #
  def broadcast
    Thread.handle_interrupt(StandardError => :on_blocking) do
      threads = nil
      @waiters_mutex.synchronize do
        threads = @waiters.keys
        @waiters.clear
      end
      for t in threads
        begin
          t.run
        rescue ThreadError
        end
      end
    end
    self
  end
end

#
# This class provides a way to synchronize communication between threads.
#
# Example:
#
#   require 'thread'
#
#   queue = Queue.new
#
#   producer = Thread.new do
#     5.times do |i|
#       sleep rand(i) # simulate expense
#       queue << i
#       puts "#{i} produced"
#     end
#   end
#
#   consumer = Thread.new do
#     5.times do |i|
#       value = queue.pop
#       sleep rand(i/2) # simulate expense
#       puts "consumed #{value}"
#     end
#   end
#
#   consumer.join
#
class Queue
  #
  # Creates a new queue.
  #
  def initialize
    @que = []
    @que.taint          # enable tainted communication
    @num_waiting = 0
    self.taint
    @mutex = Mutex.new
    @cond = ConditionVariable.new
  end

#
  # Pushes +obj+ to the queue.
  #
  def push(obj)
    Thread.handle_interrupt(StandardError => :on_blocking) do
      @mutex.synchronize do
        @que.push obj
        @cond.signal
      end
    end
  end

#
  # Alias of push
  #
  alias << push

#
  # Alias of push
  #
  alias enq push

#
  # Retrieves data from the queue.  If the queue is empty, the calling thread is
  # suspended until data is pushed onto the queue.  If +non_block+ is true, the
  # thread isn't suspended, and an exception is raised.
  #
  def pop(non_block=false)
    Thread.handle_interrupt(StandardError => :on_blocking) do
      @mutex.synchronize do
        while true
          if @que.empty?
            if non_block
              raise ThreadError, "queue empty"
            else
              begin
                @num_waiting += 1
                @cond.wait @mutex
              ensure
                @num_waiting -= 1
              end
            end
          else
            return @que.shift
          end
        end
      end
    end
  end

#
  # Alias of pop
  #
  alias shift pop

#
  # Alias of pop
  #
  alias deq pop

#
  # Returns +true+ if the queue is empty.
  #
  def empty?
    @que.empty?
  end

#
  # Removes all objects from the queue.
  #
  def clear
    @que.clear
  end

#
  # Returns the length of the queue.
  #
  def length
    @que.length
  end

#
  # Alias of length.
  #
  alias size length

#
  # Returns the number of threads waiting on the queue.
  #
  def num_waiting
    @num_waiting
  end
end

#
# This class represents queues of specified size capacity.  The push operation
# may be blocked if the capacity is full.
#
# See Queue for an example of how a SizedQueue works.
#
class SizedQueue < Queue
  #
  # Creates a fixed-length queue with a maximum size of +max+.
  #
  def initialize(max)
    raise ArgumentError, "queue size must be positive" unless max > 0
    @max = max
    @enque_cond = ConditionVariable.new
    @num_enqueue_waiting = 0
    super()
  end

#
  # Returns the maximum size of the queue.
  #
  def max
    @max
  end

#
  # Sets the maximum size of the queue.
  #
  def max=(max)
    raise ArgumentError, "queue size must be positive" unless max > 0

@mutex.synchronize do
      if max <= @max
        @max = max
      else
        diff = max - @max
        @max = max
        diff.times do
          @enque_cond.signal
        end
      end
    end
    max
  end

#
  # Pushes +obj+ to the queue.  If there is no space left in the queue, waits
  # until space becomes available.
  #
  def push(obj)
    Thread.handle_interrupt(RuntimeError => :on_blocking) do
      @mutex.synchronize do
        while true
          break if @que.length < @max
          @num_enqueue_waiting += 1
          begin
            @enque_cond.wait @mutex
          ensure
            @num_enqueue_waiting -= 1
          end
        end

@que.push obj
        @cond.signal
      end
    end
  end

#
  # Removes all objects from the queue.
  #
  def clear
    super
    @mutex.synchronize do
      @max.times do
        @enque_cond.signal
      end
    end
  end

#
  # Alias of push
  #
  alias << push

#
  # Alias of push
  #
  alias enq push

#
  # Retrieves data from the queue and runs a waiting thread, if any.
  #
  def pop(*args)
    retval = super
    @mutex.synchronize do
      if @que.length < @max
        @enque_cond.signal
      end
    end
    retval
  end

#
  # Alias of pop
  #
  alias shift pop

#
  # Alias of pop
  #
  alias deq pop

#
  # Returns the number of threads waiting on the queue.
  #
  def num_waiting
    @num_waiting + @num_enqueue_waiting
  end
end

# Documentation comments:
#  - How do you make RDoc inherit documentation from superclass?

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