Sha256: de6158c3a015b4a6b743ce546c8b538d523605b4e2f059357f8d191d488caab9
Contents?: true
Size: 1.48 KB
Versions: 7
Compression:
Stored size: 1.48 KB
Contents
module Celluloid
class Task
# Tasks with a Thread backend
class Threaded < Task
# Run the given block within a task
def initialize(type, meta)
@resume_queue = Queue.new
@exception_queue = Queue.new
@yield_mutex = Mutex.new
@yield_cond = ConditionVariable.new
@thread = nil
super
end
def create
# TODO: move this to ActorSystem#get_thread (ThreadHandle inside Group::Pool)
thread = Internals::ThreadHandle.new(Thread.current[:celluloid_actor_system], :task) do
begin
ex = @resume_queue.pop
fail ex if ex.is_a?(TaskTerminated)
yield
rescue ::Exception => ex
@exception_queue << ex
ensure
@yield_mutex.synchronize do
@yield_cond.signal
end
end
end
@thread = thread
end
def signal
@yield_mutex.synchronize do
@yield_cond.signal
end
@resume_queue.pop
end
def deliver(value)
fail DeadTaskError, "cannot resume a dead task" unless @thread.alive?
@yield_mutex.synchronize do
@resume_queue.push(value)
@yield_cond.wait(@yield_mutex)
fail @exception_queue.pop while @exception_queue.size > 0
end
rescue ThreadError
raise DeadTaskError, "cannot resume a dead task"
end
def backtrace
@thread.backtrace
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems