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require 'concurrent/thread_safe/util'
# Shim for TruffleRuby.synchronized
if Concurrent.on_truffleruby? && !TruffleRuby.respond_to?(:synchronized)
module TruffleRuby
def self.synchronized(object, &block)
Truffle::System.synchronized(object, &block)
end
end
end
module Concurrent
module ThreadSafe
module Util
def self.make_synchronized_on_rbx(klass)
klass.class_eval do
private
def _mon_initialize
@_monitor = Monitor.new unless @_monitor # avoid double initialisation
end
def self.new(*args)
obj = super(*args)
obj.send(:_mon_initialize)
obj
end
end
klass.superclass.instance_methods(false).each do |method|
case method
when :new_range, :new_reserved
klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{method}(*args)
obj = super
obj.send(:_mon_initialize)
obj
end
RUBY
else
klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{method}(*args)
monitor = @_monitor
monitor or raise("BUG: Internal monitor was not properly initialized. Please report this to the concurrent-ruby developers.")
monitor.synchronize { super }
end
RUBY
end
end
end
def self.make_synchronized_on_truffleruby(klass)
klass.superclass.instance_methods(false).each do |method|
klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{method}(*args, &block)
TruffleRuby.synchronized(self) { super(*args, &block) }
end
RUBY
end
end
end
end
end
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