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|
require 'concurrent/utility/engine'
module Concurrent
module Utility
# @!visibility private
module NativeExtensionLoader
def allow_c_extensions?
Concurrent.on_cruby?
end
def c_extensions_loaded?
@c_extensions_loaded ||= false
end
def java_extensions_loaded?
@java_extensions_loaded ||= false
end
def set_c_extensions_loaded
@c_extensions_loaded = true
end
def set_java_extensions_loaded
@java_extensions_loaded = true
end
def load_native_extensions
unless defined? Synchronization::AbstractObject
raise 'native_extension_loader loaded before Synchronization::AbstractObject'
end
if Concurrent.on_cruby? && !c_extensions_loaded?
tries = [
lambda do
require 'concurrent/extension'
set_c_extensions_loaded
end,
lambda do
# may be a Windows cross-compiled native gem
require "concurrent/#{RUBY_VERSION[0..2]}/extension"
set_c_extensions_loaded
end]
tries.each do |try|
begin
try.call
break
rescue LoadError
next
end
end
end
if Concurrent.on_jruby? && !java_extensions_loaded?
begin
require 'concurrent_ruby_ext'
set_java_extensions_loaded
rescue LoadError
# move on with pure-Ruby implementations
raise 'On JRuby but Java extensions failed to load.'
end
end
end
end
end
# @!visibility private
extend Utility::NativeExtensionLoader
end
|
