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Name	Size	Permission	Date
bigdecimal	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
cgi	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
date	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
digest	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
dl	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
drb	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
fiddle	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
io	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
irb	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
json	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
matrix	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
minitest	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
net	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
openssl	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
optparse	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
psych	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
racc	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rake	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rbconfig	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rdoc	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rexml	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rinda	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
ripper	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rss	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
rubygems	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
shell	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
syslog	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
test	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
tk	[ DIR ]	drwxr-xr-x	2026-05-01 04:23
tkextlib	[ DIR ]	drwxr-xr-x	2026-05-01 04:23
uri	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
webrick	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
x86_64-linux	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
xmlrpc	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
yaml	[ DIR ]	drwxr-xr-x	2026-04-30 23:44
English.rb	6.44 KB	-rw-r--r--	2013-02-04 06:20
abbrev.rb	3.31 KB	-rw-r--r--	2013-02-21 21:05
base64.rb	2.63 KB	-rw-r--r--	2013-05-19 07:40
benchmark.rb	17.95 KB	-rw-r--r--	2013-09-20 20:35
cgi.rb	9.84 KB	-rw-r--r--	2013-07-18 18:20
cmath.rb	8.93 KB	-rw-r--r--	2015-07-03 13:42
complex.rb	380 B	-rw-r--r--	2009-08-16 20:04
csv.rb	81.68 KB	-rw-r--r--	2014-09-14 19:55
date.rb	946 B	-rw-r--r--	2023-07-26 17:52
debug.rb	29.08 KB	-rw-r--r--	2013-12-14 18:18
delegate.rb	11.13 KB	-rw-r--r--	2014-02-02 17:16
digest.rb	2.34 KB	-rw-r--r--	2023-07-26 17:52
dl.rb	280 B	-rw-r--r--	2023-07-26 17:52
drb.rb	19 B	-rw-r--r--	2009-10-02 14:15
e2mmap.rb	3.89 KB	-rw-r--r--	2013-12-17 14:50
erb.rb	26.07 KB	-rw-r--r--	2014-08-11 19:25
expect.rb	2.14 KB	-rw-r--r--	2023-07-26 17:52
fiddle.rb	1.65 KB	-rw-r--r--	2023-07-26 17:52
fileutils.rb	47.17 KB	-rw-r--r--	2015-04-28 09:46
find.rb	2.36 KB	-rw-r--r--	2014-10-15 19:01
forwardable.rb	7.86 KB	-rw-r--r--	2013-05-24 02:16
getoptlong.rb	15.38 KB	-rw-r--r--	2013-05-19 19:20
gserver.rb	8.86 KB	-rw-r--r--	2014-07-06 18:27
ipaddr.rb	17.05 KB	-rw-r--r--	2015-10-29 18:06
irb.rb	20.03 KB	-rw-r--r--	2016-03-25 12:52
json.rb	1.74 KB	-rw-r--r--	2023-07-26 17:52
kconv.rb	5.74 KB	-rw-r--r--	2023-07-26 17:52
logger.rb	22.37 KB	-rw-r--r--	2016-02-25 14:34
mathn.rb	6.52 KB	-rw-r--r--	2011-08-27 02:52
matrix.rb	45.43 KB	-rw-r--r--	2014-07-11 18:38
mkmf.rb	80.5 KB	-rw-r--r--	2023-07-26 17:49
monitor.rb	6.93 KB	-rw-r--r--	2012-11-16 20:25
multi-tk.rb	98.4 KB	-rw-r--r--	2023-07-26 17:52
mutex_m.rb	2 KB	-rw-r--r--	2013-02-20 06:21
observer.rb	5.81 KB	-rw-r--r--	2013-11-21 08:14
open-uri.rb	24.27 KB	-rw-r--r--	2014-02-22 12:24
open3.rb	20.37 KB	-rw-r--r--	2013-12-01 06:43
openssl.rb	528 B	-rw-r--r--	2023-07-26 17:52
optparse.rb	50.8 KB	-rw-r--r--	2013-11-28 11:04
ostruct.rb	7.7 KB	-rw-r--r--	2013-10-23 18:44
pathname.rb	15.3 KB	-rw-r--r--	2023-07-26 17:52
pp.rb	14.1 KB	-rw-r--r--	2013-10-22 12:59
prettyprint.rb	16.33 KB	-rw-r--r--	2013-05-19 07:40
prime.rb	13.2 KB	-rw-r--r--	2013-07-15 08:51
profile.rb	205 B	-rw-r--r--	2009-10-02 14:15
profiler.rb	4.51 KB	-rw-r--r--	2013-05-20 03:34
pstore.rb	14.85 KB	-rw-r--r--	2012-11-11 07:53
psych.rb	14.88 KB	-rw-r--r--	2023-07-26 17:52
rake.rb	2.12 KB	-rw-r--r--	2013-10-12 01:05
rational.rb	308 B	-rw-r--r--	2009-09-24 04:12
rdoc.rb	4.92 KB	-rw-r--r--	2013-12-22 13:55
remote-tk.rb	14.11 KB	-rw-r--r--	2023-07-26 17:52
resolv-replace.rb	1.73 KB	-rw-r--r--	2013-03-11 17:17
resolv.rb	72.31 KB	-rw-r--r--	2015-05-13 10:03
ripper.rb	2.53 KB	-rw-r--r--	2023-07-26 17:52
rss.rb	2.84 KB	-rw-r--r--	2011-05-11 14:52
rubygems.rb	30.97 KB	-rw-r--r--	2023-07-26 17:49
scanf.rb	23.54 KB	-rw-r--r--	2013-12-14 06:25
securerandom.rb	8.49 KB	-rw-r--r--	2013-11-07 21:34
set.rb	18.7 KB	-rw-r--r--	2013-11-23 03:20
shell.rb	10.3 KB	-rw-r--r--	2013-05-19 07:40
shellwords.rb	5.94 KB	-rw-r--r--	2013-12-14 21:56
singleton.rb	4.02 KB	-rw-r--r--	2011-05-18 18:39
socket.rb	25.6 KB	-rw-r--r--	2023-07-26 17:52
sync.rb	7.25 KB	-rw-r--r--	2013-05-19 07:40
tcltk.rb	10.06 KB	-rw-r--r--	2023-07-26 17:52
tempfile.rb	11.4 KB	-rw-r--r--	2013-11-21 12:58
thwait.rb	3.38 KB	-rw-r--r--	2013-11-07 20:32
time.rb	21.32 KB	-rw-r--r--	2015-08-17 12:11
timeout.rb	3.7 KB	-rw-r--r--	2015-08-17 12:25
tk.rb	163.72 KB	-rw-r--r--	2023-07-26 17:52
tkafter.rb	57 B	-rw-r--r--	2023-07-26 17:52
tkbgerror.rb	63 B	-rw-r--r--	2023-07-26 17:52
tkcanvas.rb	60 B	-rw-r--r--	2023-07-26 17:52
tkclass.rb	950 B	-rw-r--r--	2023-07-26 17:52
tkconsole.rb	63 B	-rw-r--r--	2023-07-26 17:52
tkdialog.rb	60 B	-rw-r--r--	2023-07-26 17:52
tkentry.rb	57 B	-rw-r--r--	2023-07-26 17:52
tkfont.rb	54 B	-rw-r--r--	2023-07-26 17:52
tkmacpkg.rb	60 B	-rw-r--r--	2023-07-26 17:52
tkmenubar.rb	63 B	-rw-r--r--	2023-07-26 17:52
tkmngfocus.rb	66 B	-rw-r--r--	2023-07-26 17:52
tkpalette.rb	63 B	-rw-r--r--	2023-07-26 17:52
tkscrollbox.rb	69 B	-rw-r--r--	2023-07-26 17:52
tktext.rb	54 B	-rw-r--r--	2023-07-26 17:52
tkvirtevent.rb	69 B	-rw-r--r--	2023-07-26 17:52
tkwinpkg.rb	60 B	-rw-r--r--	2023-07-26 17:52
tmpdir.rb	4.15 KB	-rw-r--r--	2013-05-19 07:40
tracer.rb	6.4 KB	-rw-r--r--	2013-07-18 18:20
tsort.rb	14.14 KB	-rw-r--r--	2013-10-17 19:29
ubygems.rb	268 B	-rw-r--r--	2009-10-02 14:15
un.rb	8.87 KB	-rw-r--r--	2013-07-05 18:13
uri.rb	3.07 KB	-rw-r--r--	2011-05-14 00:33
weakref.rb	3.23 KB	-rw-r--r--	2013-11-10 02:12
webrick.rb	6.69 KB	-rw-r--r--	2013-10-06 03:09
xmlrpc.rb	8.49 KB	-rw-r--r--	2013-12-12 06:39
yaml.rb	2.31 KB	-rw-r--r--	2013-08-12 08:19

Rename

#
#   sync.rb - 2 phase lock with counter
#       $Release Version: 1.0$
#       $Revision: 40825 $
#       by Keiju ISHITSUKA(keiju@ishitsuka.com)
#
# --
#  Sync_m, Synchronizer_m
#  Usage:
#   obj.extend(Sync_m)
#   or
#   class Foo
#       include Sync_m
#       :
#   end
#
#   Sync_m#sync_mode
#   Sync_m#sync_locked?, locked?
#   Sync_m#sync_shared?, shared?
#   Sync_m#sync_exclusive?, sync_exclusive?
#   Sync_m#sync_try_lock, try_lock
#   Sync_m#sync_lock, lock
#   Sync_m#sync_unlock, unlock
#
#  Sync, Synchronizer:
#  Usage:
#   sync = Sync.new
#
#   Sync#mode
#   Sync#locked?
#   Sync#shared?
#   Sync#exclusive?
#   Sync#try_lock(mode) -- mode = :EX, :SH, :UN
#   Sync#lock(mode)     -- mode = :EX, :SH, :UN
#   Sync#unlock
#   Sync#synchronize(mode) {...}
#
#

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

##
# A module that provides a two-phase lock with a counter.

module Sync_m
  # lock mode
  UN = :UN
  SH = :SH
  EX = :EX

# exceptions
  class Err < StandardError
    def Err.Fail(*opt)
      fail self, sprintf(self::Message, *opt)
    end

class UnknownLocker < Err
      Message = "Thread(%s) not locked."
      def UnknownLocker.Fail(th)
        super(th.inspect)
      end
    end

class LockModeFailer < Err
      Message = "Unknown lock mode(%s)"
      def LockModeFailer.Fail(mode)
        if mode.id2name
          mode = id2name
        end
        super(mode)
      end
    end
  end

def Sync_m.define_aliases(cl)
    cl.module_eval %q{
      alias locked? sync_locked?
      alias shared? sync_shared?
      alias exclusive? sync_exclusive?
      alias lock sync_lock
      alias unlock sync_unlock
      alias try_lock sync_try_lock
      alias synchronize sync_synchronize
    }
  end

def Sync_m.append_features(cl)
    super
    # do nothing for Modules
    # make aliases for Classes.
    define_aliases(cl) unless cl.instance_of?(Module)
    self
  end

def Sync_m.extend_object(obj)
    super
    obj.sync_extend
  end

def sync_extend
    unless (defined? locked? and
            defined? shared? and
            defined? exclusive? and
            defined? lock and
            defined? unlock and
            defined? try_lock and
            defined? synchronize)
      Sync_m.define_aliases(singleton_class)
    end
    sync_initialize
  end

# accessing
  def sync_locked?
    sync_mode != UN
  end

def sync_shared?
    sync_mode == SH
  end

def sync_exclusive?
    sync_mode == EX
  end

# locking methods.
  def sync_try_lock(mode = EX)
    return unlock if mode == UN
    @sync_mutex.synchronize do
      sync_try_lock_sub(mode)
    end
  end

def sync_lock(m = EX)
    return unlock if m == UN
    Thread.handle_interrupt(StandardError => :on_blocking) do
      while true
        @sync_mutex.synchronize do
          begin
            if sync_try_lock_sub(m)
              return self
            else
              if sync_sh_locker[Thread.current]
                sync_upgrade_waiting.push [Thread.current, sync_sh_locker[Thread.current]]
                sync_sh_locker.delete(Thread.current)
              else
                unless sync_waiting.include?(Thread.current) || sync_upgrade_waiting.reverse_each.any?{|w| w.first == Thread.current }
                  sync_waiting.push Thread.current
                end
              end
              @sync_mutex.sleep
            end
          ensure
            sync_waiting.delete(Thread.current)
          end
        end
      end
    end
    self
  end

def sync_unlock(m = EX)
    wakeup_threads = []
    @sync_mutex.synchronize do
      if sync_mode == UN
        Err::UnknownLocker.Fail(Thread.current)
      end

m = sync_mode if m == EX and sync_mode == SH

runnable = false
      case m
      when UN
        Err::UnknownLocker.Fail(Thread.current)

when EX
        if sync_ex_locker == Thread.current
          if (self.sync_ex_count = sync_ex_count - 1) == 0
            self.sync_ex_locker = nil
            if sync_sh_locker.include?(Thread.current)
              self.sync_mode = SH
            else
              self.sync_mode = UN
            end
            runnable = true
          end
        else
          Err::UnknownLocker.Fail(Thread.current)
        end

when SH
        if (count = sync_sh_locker[Thread.current]).nil?
          Err::UnknownLocker.Fail(Thread.current)
        else
          if (sync_sh_locker[Thread.current] = count - 1) == 0
            sync_sh_locker.delete(Thread.current)
            if sync_sh_locker.empty? and sync_ex_count == 0
              self.sync_mode = UN
              runnable = true
            end
          end
        end
      end

if runnable
        if sync_upgrade_waiting.size > 0
          th, count = sync_upgrade_waiting.shift
          sync_sh_locker[th] = count
          th.wakeup
          wakeup_threads.push th
        else
          wait = sync_waiting
          self.sync_waiting = []
          for th in wait
            th.wakeup
            wakeup_threads.push th
          end
        end
      end
    end
    for th in wakeup_threads
      th.run
    end
    self
  end

def sync_synchronize(mode = EX)
    Thread.handle_interrupt(StandardError => :on_blocking) do
      sync_lock(mode)
      begin
        yield
      ensure
        sync_unlock
      end
    end
  end

attr_accessor :sync_mode

attr_accessor :sync_waiting
  attr_accessor :sync_upgrade_waiting
  attr_accessor :sync_sh_locker
  attr_accessor :sync_ex_locker
  attr_accessor :sync_ex_count

def sync_inspect
    sync_iv = instance_variables.select{|iv| /^@sync_/ =~ iv.id2name}.collect{|iv| iv.id2name + '=' + instance_eval(iv.id2name).inspect}.join(",")
    print "<#{self.class}.extend Sync_m: #{inspect}, <Sync_m: #{sync_iv}>"
  end

private

def sync_initialize
    @sync_mode = UN
    @sync_waiting = []
    @sync_upgrade_waiting = []
    @sync_sh_locker = Hash.new
    @sync_ex_locker = nil
    @sync_ex_count = 0

@sync_mutex = Mutex.new
  end

def initialize(*args)
    super
    sync_initialize
  end

def sync_try_lock_sub(m)
    case m
    when SH
      case sync_mode
      when UN
        self.sync_mode = m
        sync_sh_locker[Thread.current] = 1
        ret = true
      when SH
        count = 0 unless count = sync_sh_locker[Thread.current]
        sync_sh_locker[Thread.current] = count + 1
        ret = true
      when EX
        # in EX mode, lock will upgrade to EX lock
        if sync_ex_locker == Thread.current
          self.sync_ex_count = sync_ex_count + 1
          ret = true
        else
          ret = false
        end
      end
    when EX
      if sync_mode == UN or
          sync_mode == SH && sync_sh_locker.size == 1 && sync_sh_locker.include?(Thread.current)
        self.sync_mode = m
        self.sync_ex_locker = Thread.current
        self.sync_ex_count = 1
        ret = true
      elsif sync_mode == EX && sync_ex_locker == Thread.current
        self.sync_ex_count = sync_ex_count + 1
        ret = true
      else
        ret = false
      end
    else
      Err::LockModeFailer.Fail mode
    end
    return ret
  end
end

##
# An alias for Sync_m from sync.rb

Synchronizer_m = Sync_m

##
# A class that provides two-phase lock with a counter.  See Sync_m for
# details.

class Sync
  include Sync_m
end

##
# An alias for Sync from sync.rb.  See Sync_m for details.

Synchronizer = Sync