Gecko [ primetaxinc.net ]

Name	Size	Permission
contrib	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
lib	[ DIR ]	drwxr-xr-x
loaders	[ DIR ]	drwxr-xr-x
alt_system.rb	3.17 KB	-rw-r--r--
application.rb	23.14 KB	-rw-r--r--
backtrace.rb	868 B	-rw-r--r--
clean.rb	1.93 KB	-rw-r--r--
cloneable.rb	418 B	-rw-r--r--
cpu_counter.rb	2.83 KB	-rw-r--r--
default_loader.rb	235 B	-rw-r--r--
dsl_definition.rb	5.64 KB	-rw-r--r--
early_time.rb	340 B	-rw-r--r--
file_creation_task.rb	670 B	-rw-r--r--
file_list.rb	12.13 KB	-rw-r--r--
file_task.rb	1.26 KB	-rw-r--r--
file_utils.rb	3.66 KB	-rw-r--r--
file_utils_ext.rb	4.05 KB	-rw-r--r--
gempackagetask.rb	144 B	-rw-r--r--
invocation_chain.rb	1.16 KB	-rw-r--r--
invocation_exception_mixin.rb	431 B	-rw-r--r--
late_time.rb	265 B	-rw-r--r--
linked_list.rb	2.27 KB	-rw-r--r--
multi_task.rb	315 B	-rw-r--r--
name_space.rb	673 B	-rw-r--r--
packagetask.rb	5.28 KB	-rw-r--r--
pathmap.rb	53 B	-rw-r--r--
phony.rb	351 B	-rw-r--r--
private_reader.rb	364 B	-rw-r--r--
promise.rb	2.28 KB	-rw-r--r--
pseudo_status.rb	375 B	-rw-r--r--
rake_module.rb	770 B	-rw-r--r--
rake_test_loader.rb	341 B	-rw-r--r--
rdoctask.rb	153 B	-rw-r--r--
ruby182_test_unit_fix.rb	897 B	-rw-r--r--
rule_recursion_overflow_error....	353 B	-rw-r--r--
runtest.rb	594 B	-rw-r--r--
scope.rb	882 B	-rw-r--r--
task.rb	11.02 KB	-rw-r--r--
task_argument_error.rb	119 B	-rw-r--r--
task_arguments.rb	2.15 KB	-rw-r--r--
task_manager.rb	8.84 KB	-rw-r--r--
tasklib.rb	618 B	-rw-r--r--
testtask.rb	5.55 KB	-rw-r--r--
thread_history_display.rb	1.11 KB	-rw-r--r--
thread_pool.rb	4.78 KB	-rw-r--r--
trace_output.rb	543 B	-rw-r--r--
version.rb	156 B	-rw-r--r--
win32.rb	1.55 KB	-rw-r--r--

Name

Size

Permission

Action

contrib

[ DIR ]

drwxr-xr-x

ext

[ DIR ]

drwxr-xr-x

lib

[ DIR ]

drwxr-xr-x

loaders

[ DIR ]

drwxr-xr-x

alt_system.rb

3.17 KB

-rw-r--r--

application.rb

23.14 KB

-rw-r--r--

backtrace.rb

868 B

-rw-r--r--

clean.rb

1.93 KB

-rw-r--r--

cloneable.rb

418 B

-rw-r--r--

cpu_counter.rb

2.83 KB

-rw-r--r--

default_loader.rb

235 B

-rw-r--r--

dsl_definition.rb

5.64 KB

-rw-r--r--

early_time.rb

340 B

-rw-r--r--

file_creation_task.rb

670 B

-rw-r--r--

file_list.rb

12.13 KB

-rw-r--r--

file_task.rb

1.26 KB

-rw-r--r--

file_utils.rb

3.66 KB

-rw-r--r--

file_utils_ext.rb

4.05 KB

-rw-r--r--

gempackagetask.rb

144 B

-rw-r--r--

invocation_chain.rb

1.16 KB

-rw-r--r--

invocation_exception_mixin.rb

431 B

-rw-r--r--

late_time.rb

265 B

-rw-r--r--

linked_list.rb

2.27 KB

-rw-r--r--

multi_task.rb

315 B

-rw-r--r--

name_space.rb

673 B

-rw-r--r--

packagetask.rb

5.28 KB

-rw-r--r--

pathmap.rb

53 B

-rw-r--r--

phony.rb

351 B

-rw-r--r--

private_reader.rb

364 B

-rw-r--r--

promise.rb

2.28 KB

-rw-r--r--

pseudo_status.rb

375 B

-rw-r--r--

rake_module.rb

770 B

-rw-r--r--

rake_test_loader.rb

341 B

-rw-r--r--

rdoctask.rb

153 B

-rw-r--r--

ruby182_test_unit_fix.rb

897 B

-rw-r--r--

rule_recursion_overflow_error....

353 B

-rw-r--r--

runtest.rb

594 B

-rw-r--r--

scope.rb

882 B

-rw-r--r--

task.rb

11.02 KB

-rw-r--r--

task_argument_error.rb

119 B

-rw-r--r--

task_arguments.rb

2.15 KB

-rw-r--r--

task_manager.rb

8.84 KB

-rw-r--r--

tasklib.rb

618 B

-rw-r--r--

testtask.rb

5.55 KB

-rw-r--r--

thread_history_display.rb

1.11 KB

-rw-r--r--

thread_pool.rb

4.78 KB

-rw-r--r--

trace_output.rb

543 B

-rw-r--r--

version.rb

156 B

-rw-r--r--

win32.rb

1.55 KB

-rw-r--r--

Code Editor : promise.rb

module Rake

# A Promise object represents a promise to do work (a chore) in the
  # future. The promise is created with a block and a list of
  # arguments for the block. Calling value will return the value of
  # the promised chore.
  #
  # Used by ThreadPool.
  #
  class Promise               # :nodoc: all
    NOT_SET = Object.new.freeze # :nodoc:

attr_accessor :recorder

# Create a promise to do the chore specified by the block.
    def initialize(args, &block)
      @mutex = Mutex.new
      @result = NOT_SET
      @error = NOT_SET
      @args = args
      @block = block
    end

# Return the value of this promise.
    #
    # If the promised chore is not yet complete, then do the work
    # synchronously. We will wait.
    def value
      unless complete?
        stat :sleeping_on, :item_id => object_id
        @mutex.synchronize do
          stat :has_lock_on, :item_id => object_id
          chore
          stat :releasing_lock_on, :item_id => object_id
        end
      end
      error? ? raise(@error) : @result
    end

# If no one else is working this promise, go ahead and do the chore.
    def work
      stat :attempting_lock_on, :item_id => object_id
      if @mutex.try_lock
        stat :has_lock_on, :item_id => object_id
        chore
        stat :releasing_lock_on, :item_id => object_id
        @mutex.unlock
      else
        stat :bailed_on, :item_id => object_id
      end
    end

private

# Perform the chore promised
    def chore
      if complete?
        stat :found_completed, :item_id => object_id
        return
      end
      stat :will_execute, :item_id => object_id
      begin
        @result = @block.call(*@args)
      rescue Exception => e
        @error = e
      end
      stat :did_execute, :item_id => object_id
      discard
    end

# Do we have a result for the promise
    def result?
      ! @result.equal?(NOT_SET)
    end

# Did the promise throw an error
    def error?
      ! @error.equal?(NOT_SET)
    end

# Are we done with the promise
    def complete?
      result? || error?
    end

# free up these items for the GC
    def discard
      @args = nil
      @block = nil
    end

# Record execution statistics if there is a recorder
    def stat(*args)
      @recorder.call(*args) if @recorder
    end

end

${this.title}

Code Editor : promise.rb