#2937

Committed 05 Oct 2014 10:16PM UTC coverage: 90.686% (-4.1%) from 94.81%

Build # #2937

Build Type

push

Committed by

Commit Message

Merge pull request #158 from obrok/promise-composition

Promise composition

Coverage Stats

15 of 15 new or added lines in 1 file covered. (100.0%)

145 existing lines in 16 files now uncovered.

2775 of 3060 relevant lines covered (90.69%)

316.23 hits per line

Source File
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62.5

/lib/concurrent/atomic.rb

#####################################################################
# Attempt to check for the deprecated ruby-atomic gem and warn the
# user that they should use the new implementation instead.

if defined?(Atomic)
  warn <<-RUBY
[ATOMIC] Detected an `Atomic` class, which may indicate a dependency
on the ruby-atomic gem. That gem has been deprecated and merged into
the concurrent-ruby gem. Please use the Concurrent::Atomic class for
atomic references and not the Atomic class.
RUBY
end
#####################################################################

require 'concurrent/atomic_reference/concurrent_update_error'
require 'concurrent/atomic_reference/mutex_atomic'

begin
  # force fallback impl with FORCE_ATOMIC_FALLBACK=1
  if /[^0fF]/ =~ ENV['FORCE_ATOMIC_FALLBACK']
    ruby_engine = 'mutex_atomic'
  else
    ruby_engine = defined?(RUBY_ENGINE)? RUBY_ENGINE : 'ruby'
  end

  require "concurrent/atomic_reference/#{ruby_engine}"
rescue LoadError
  warn 'Compiled extensions not installed, pure Ruby Atomic will be used.'
end

if defined? Concurrent::JavaAtomic

  # @!macro [attach] atomic_reference
  #
  #   An object reference that may be updated atomically.
  #
  #       Testing with ruby 2.1.2
  #       
  #       *** Sequential updates ***
  #                        user     system      total        real
  #       no lock      0.000000   0.000000   0.000000 (  0.005502)
  #       mutex        0.030000   0.000000   0.030000 (  0.025158)
  #       MutexAtomic  0.100000   0.000000   0.100000 (  0.103096)
  #       CAtomic      0.040000   0.000000   0.040000 (  0.034012)
  #       
  #       *** Parallel updates ***
  #                        user     system      total        real
  #       no lock      0.010000   0.000000   0.010000 (  0.009387)
  #       mutex        0.030000   0.010000   0.040000 (  0.032545)
  #       MutexAtomic  0.830000   2.280000   3.110000 (  2.146622)
  #       CAtomic      0.040000   0.000000   0.040000 (  0.038332)
  #
  #       Testing with jruby 1.9.3
  #       
  #       *** Sequential updates ***
  #                        user     system      total        real
  #       no lock      0.170000   0.000000   0.170000 (  0.051000)
  #       mutex        0.370000   0.010000   0.380000 (  0.121000)
  #       MutexAtomic  1.530000   0.020000   1.550000 (  0.471000)
  #       JavaAtomic   0.370000   0.010000   0.380000 (  0.112000)
  #       
  #       *** Parallel updates ***
  #                        user     system      total        real
  #       no lock      0.390000   0.000000   0.390000 (  0.105000)
  #       mutex        0.480000   0.040000   0.520000 (  0.145000)
  #       MutexAtomic  1.600000   0.180000   1.780000 (  0.511000)
  #       JavaAtomic   0.460000   0.010000   0.470000 (  0.131000)
  #
  #   @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicReference.html
  #   @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/package-summary.html
  class Concurrent::Atomic < Concurrent::JavaAtomic
  end

elsif defined? Concurrent::RbxAtomic

  # @!macro atomic_reference
  class Concurrent::Atomic < Concurrent::RbxAtomic
  end

elsif Concurrent.allow_c_native_class?('CAtomic')

  # @!macro atomic_reference
  class Concurrent::Atomic < Concurrent::CAtomic
  end

else

  # @!macro atomic_reference
  class Concurrent::Atomic < Concurrent::MutexAtomic
  end
end

1	#####################################################################
2	# Attempt to check for the deprecated ruby-atomic gem and warn the
3	# user that they should use the new implementation instead.
4
5	if defined?(Atomic)	1✔
6	warn <<-RUBY	×
7	[ATOMIC] Detected an `Atomic` class, which may indicate a dependency
8	on the ruby-atomic gem. That gem has been deprecated and merged into
9	the concurrent-ruby gem. Please use the Concurrent::Atomic class for
10	atomic references and not the Atomic class.
11	RUBY
12	end
13	#####################################################################
14
15	require 'concurrent/atomic_reference/concurrent_update_error'	1✔
16	require 'concurrent/atomic_reference/mutex_atomic'	1✔
17
18	begin
19	# force fallback impl with FORCE_ATOMIC_FALLBACK=1
20	if /[^0fF]/ =~ ENV['FORCE_ATOMIC_FALLBACK']	1✔
21	ruby_engine = 'mutex_atomic'	×
22	else
23	ruby_engine = defined?(RUBY_ENGINE)? RUBY_ENGINE : 'ruby'	1✔
24	end
25
26	require "concurrent/atomic_reference/#{ruby_engine}"	1✔
27	rescue LoadError
28	warn 'Compiled extensions not installed, pure Ruby Atomic will be used.'	×
29	end
30
31	if defined? Concurrent::JavaAtomic	1✔
32
33	# @!macro [attach] atomic_reference
34	#
35	# An object reference that may be updated atomically.
36	#
37	# Testing with ruby 2.1.2
38	#
39	# * Sequential updates *
40	# user system total real
41	# no lock 0.000000 0.000000 0.000000 ( 0.005502)
42	# mutex 0.030000 0.000000 0.030000 ( 0.025158)
43	# MutexAtomic 0.100000 0.000000 0.100000 ( 0.103096)
44	# CAtomic 0.040000 0.000000 0.040000 ( 0.034012)
45	#
46	# * Parallel updates *
47	# user system total real
48	# no lock 0.010000 0.000000 0.010000 ( 0.009387)
49	# mutex 0.030000 0.010000 0.040000 ( 0.032545)
50	# MutexAtomic 0.830000 2.280000 3.110000 ( 2.146622)
51	# CAtomic 0.040000 0.000000 0.040000 ( 0.038332)
52	#
53	# Testing with jruby 1.9.3
54	#
55	# * Sequential updates *
56	# user system total real
57	# no lock 0.170000 0.000000 0.170000 ( 0.051000)
58	# mutex 0.370000 0.010000 0.380000 ( 0.121000)
59	# MutexAtomic 1.530000 0.020000 1.550000 ( 0.471000)
60	# JavaAtomic 0.370000 0.010000 0.380000 ( 0.112000)
61	#
62	# * Parallel updates *
63	# user system total real
64	# no lock 0.390000 0.000000 0.390000 ( 0.105000)
65	# mutex 0.480000 0.040000 0.520000 ( 0.145000)
66	# MutexAtomic 1.600000 0.180000 1.780000 ( 0.511000)
67	# JavaAtomic 0.460000 0.010000 0.470000 ( 0.131000)
68	#
69	# @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicReference.html
70	# @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/package-summary.html
UNCOV 71	class Concurrent::Atomic < Concurrent::JavaAtomic	×
72	end
73
74	elsif defined? Concurrent::RbxAtomic	1✔
75
76	# @!macro atomic_reference
77	class Concurrent::Atomic < Concurrent::RbxAtomic	×
78	end
79
80	elsif Concurrent.allow_c_native_class?('CAtomic')	1✔
81
82	# @!macro atomic_reference
83	class Concurrent::Atomic < Concurrent::CAtomic	1✔
84	end
85
86	else
87
88	# @!macro atomic_reference
89	class Concurrent::Atomic < Concurrent::MutexAtomic	×
90	end
91	end

ruby-concurrency / concurrent-ruby / #2937

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