Sha256: f0b96b384f0c4d187e4fe151ee7b1a5d8b590538165bc196a4fe1c693b784662
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Size: 1.77 KB
Versions: 30
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Stored size: 1.77 KB
Contents
# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.
module NewRelic
module LanguageSupport
extend self
@@forkable = nil
def can_fork?
# this is expensive to check, so we should only check once
return @@forkable if @@forkable != nil
@@forkable = Process.respond_to?(:fork)
end
def gc_profiler_usable?
defined?(::GC::Profiler) && !jruby?
end
def gc_profiler_enabled?
gc_profiler_usable? && ::GC::Profiler.enabled? && !::NewRelic::Agent.config[:disable_gc_profiler]
end
def object_space_usable?
if defined?(::JRuby) && JRuby.respond_to?(:runtime)
JRuby.runtime.is_object_space_enabled
else
defined?(::ObjectSpace)
end
end
def jruby?
RUBY_ENGINE == 'jruby'
end
def constantize(const_name)
const_name.to_s.sub(/\A::/,'').split('::').inject(Object) do |namespace, name|
begin
result = namespace.const_get(name)
# const_get looks up the inheritence chain, so if it's a class
# in the constant make sure we found the one in our namespace.
#
# Can't help if the constant isn't a class...
if result.is_a?(Module)
expected_name = "#{namespace}::#{name}".gsub(/^Object::/, "")
return unless expected_name == result.to_s
end
result
rescue NameError
nil
end
end
end
def bundled_gem?(gem_name)
defined?(Bundler) && Bundler.rubygems.all_specs.map(&:name).include?(gem_name)
rescue => e
::NewRelic::Agent.logger.info("Could not determine if third party #{gem_name} gem is installed", e)
false
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems