lib/deep_test/warlock.rb in jstorimer-deep-test-0.2.0 vs lib/deep_test/warlock.rb in jstorimer-deep-test-1.0.0

- old
+ new

@@ -1,34 +1,37 @@ module DeepTest class Warlock - def initialize(options) - @options = options + def initialize @demons_semaphore = Mutex.new @demons = [] @reapers = [] end - def start(name, demon, *demon_args) + def start(name, &block) # Not synchronizing for the fork seems to cause # random errors (Bus Error, Segfault, and GC non-object) - # in Beachhead processes. + # in RemoteWorkerServer processes. # begin pid = nil @demons_semaphore.synchronize do - pid = fork do + pid = DeepTest.drb_safe_fork do # Fork leaves the semaphore locked and we'll never make it # to end of synchronize block. # # The Ruby 1.8.6 C mutex implementation automatically treats # a mutex locked by a dead thread as unlocked and will raise # an error if we try to unlock it from this thread. # @demons_semaphore.unlock if @demons_semaphore.locked? - close_open_network_connections - demon.forked name, @options, demon_args + begin + yield + rescue Exception => e + DeepTest.logger.debug "Exception in #{name} (#{Process.pid}): #{e.message}" + raise + end exit end raise "fatal: fork returned nil" if pid.nil? @@ -41,62 +44,47 @@ puts "exception starting #{name}: #{e}" puts "\t" + e.backtrace.join("\n\t") end end - def close_open_network_connections - ObjectSpace.each_object(BasicSocket) do |sock| - begin - sock.close - rescue IOError - end - end - end - def demon_count @demons_semaphore.synchronize do @demons.size end end - def stop_demons - DeepTest.logger.debug { "stopping all demons" } + def stop_all + DeepTest.logger.debug("stopping all demons") receivers = @demons_semaphore.synchronize do @demons.reverse end receivers.reverse.each do |demon| name, pid = demon if running?(pid) - DeepTest.logger.debug { "Sending SIGTERM to #{name}, #{pid}" } + DeepTest.logger.debug("Sending SIGTERM to #{name}, #{pid}") Process.kill("TERM", pid) end end - DeepTest.logger.debug { "Warlock: Stopped all receivers" } + DeepTest.logger.debug("Warlock: Stopped all receivers") - DeepTest.logger.debug { "waiting for reapers" } + DeepTest.logger.debug("waiting for reapers") @reapers.each {|r| r.join} - DeepTest.logger.debug { "Warlock: done reaping processes" } + DeepTest.logger.debug("Warlock: done reaping processes") end def exit_when_none_running Thread.new do - wait_for_all_to_finish - DeepTest.logger.debug { "exiting #{Process.pid} with all demons finished" } - exit(0) + loop do + Thread.pass + exit(0) unless any_running? + sleep(0.01) + end end end - def wait_for_all_to_finish - loop do - Thread.pass - return unless any_running? - sleep(0.01) - end - end - def any_running? @demons_semaphore.synchronize do @demons.any? {|name, pid| running?(pid)} end end @@ -120,25 +108,25 @@ end protected def add_demon(name, pid) - DeepTest.logger.debug { "Started: #{name} (#{pid})" } + DeepTest.logger.debug "Started: #{name} (#{pid})" @demons << [name, pid] end def remove_demon(name, pid) @demons.delete [name, pid] - DeepTest.logger.debug { "Stopped: #{name} (#{pid})" } + DeepTest.logger.debug "Stopped: #{name} (#{pid})" end def launch_reaper_thread(name, pid) @reapers << Thread.new do Process.detach(pid).join - DeepTest.logger.debug { "#{name} (#{pid}) reaped" } + DeepTest.logger.debug("#{name} (#{pid}) reaped") @demons_semaphore.synchronize do - DeepTest.logger.debug { "Warlock Reaper: removing #{name} (#{pid}) from demon list" } + DeepTest.logger.debug("Warlock Reaper: removing #{name} (#{pid}) from demon list") remove_demon name, pid end end end end