Sha256: 10d12125e694a4686ea472686cf546ccf748438ea6d98c032f4c22835c264b25
Contents?: true
Size: 1.96 KB
Versions: 7
Compression:
Stored size: 1.96 KB
Contents
# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
# frozen_string_literal: true
# The Worker class makes it easy to stop and start a thread at will.
# Some basic error handling/capture is wrapped around the Thread to help
# propagate the exceptions arising from the threaded processes to the main process
# where the main agent code lives.
module NewRelic::Agent
module InfiniteTracing
class Worker
attr_reader :name, :error
def initialize name, &job
@name = name
@job = job
@error = nil
@worker_thread = nil
@lock = Mutex.new
@lock.synchronize { start_thread }
end
def status
return "error" if error?
@lock.synchronize do
return "stopped" if @worker_thread.nil?
@worker_thread.status || "idle"
end
end
def error?
!!@error
end
def join timeout = nil
return unless @worker_thread
NewRelic::Agent.logger.debug "joining worker #{@name} thread..."
@worker_thread.join timeout
end
def stop
@lock.synchronize do
return unless @worker_thread
NewRelic::Agent.logger.debug "stopping worker #{@name} thread..."
@worker_thread.kill
@worker_thread = nil
end
end
private
def start_thread
NewRelic::Agent.logger.debug "starting worker #{@name} thread..."
@worker_thread = Thread.new do
catch(:exit) do
begin
@job.call
rescue => err
@error = err
raise
end
end
end
@worker_thread.abort_on_exception = true
if @worker_thread.respond_to? :report_on_exception
@worker_thread.report_on_exception = NewRelic::Agent.config[:log_level] == "debug"
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems