def run_reactor(in_thread=True):
"""
Safely run the Twisted reactor
"""
global reactor
global _reactor_thread
from osaf.framework.twisted import TwistedThreadPool # initializes threads
from twisted.internet import reactor
if not in_thread:
if reactor.running:
raise AssertionError("Reactor is already running")
for evt in reactor.crash, reactor.disconnectAll:
reactor.addSystemEventTrigger('during', 'shutdown', evt)
reactor.run(0)
return
if _reactor_thread is None:
if threading.currentThread().getName() != "MainThread":
raise AssertionError(
"can't start reactor thread except from the main thread"
)
limbo = [1]
reactor.addSystemEventTrigger('after', 'startup', limbo.pop)
_reactor_thread = RepositoryThread(
name="reactor", target=run_reactor, args=(False,)
)
_reactor_thread.setDaemon(True) # let main thread exit even if running
_reactor_thread.start()
while limbo and _reactor_thread.isAlive():
pass # wait for reactor to start or thread to die (e.g. w/error)
if not _reactor_thread.isAlive():
_reactor_thread = None
def run_reactor(in_thread=True):
"""
Safely run the Twisted reactor
"""
global reactor
global _reactor_thread
from osaf.framework.twisted import TwistedThreadPool # initializes threads
from twisted.internet import reactor
if not in_thread:
if reactor.running:
raise AssertionError("Reactor is already running")
for evt in reactor.crash, reactor.disconnectAll:
reactor.addSystemEventTrigger('during', 'shutdown', evt)
reactor.run(0)
return
if _reactor_thread is None:
if threading.currentThread().getName() != "MainThread":
raise AssertionError(
"can't start reactor thread except from the main thread")
limbo = [1]
reactor.addSystemEventTrigger('after', 'startup', limbo.pop)
_reactor_thread = RepositoryThread(name="reactor",
target=run_reactor,
args=(False, ))
_reactor_thread.setDaemon(True) # let main thread exit even if running
_reactor_thread.start()
while limbo and _reactor_thread.isAlive():
pass # wait for reactor to start or thread to die (e.g. w/error)
if not _reactor_thread.isAlive():
_reactor_thread = None
