def tearDown(self):
"""
Restore the original SIGCHLD handler and reap processes as long as
there seem to be any remaining.
"""
if self.originalHandler is not None:
signal.signal(signal.SIGCHLD, self.originalHandler)
if process is not None:
begin = time.time()
while process.reapProcessHandlers:
log.msg(
"ReactorBuilder.tearDown reaping some processes %r" % (
process.reapProcessHandlers,))
process.reapAllProcesses()
# The process should exit on its own. However, if it
# doesn't, we're stuck in this loop forever. To avoid
# hanging the test suite, eventually give the process some
# help exiting and move on.
time.sleep(0.001)
if time.time() - begin > 60:
for pid in process.reapProcessHandlers:
os.kill(pid, signal.SIGKILL)
raise Exception(
"Timeout waiting for child processes to exit: %r" % (
process.reapProcessHandlers,))
def tearDown(self):
"""
Restore the original SIGCHLD handler and reap processes as long as
there seem to be any remaining.
"""
if self.originalHandler is not None:
signal.signal(signal.SIGCHLD, self.originalHandler)
if process is not None:
begin = time.time()
while process.reapProcessHandlers:
log.msg("ReactorBuilder.tearDown reaping some processes %r" %
(process.reapProcessHandlers, ))
process.reapAllProcesses()
# The process should exit on its own. However, if it
# doesn't, we're stuck in this loop forever. To avoid
# hanging the test suite, eventually give the process some
# help exiting and move on.
time.sleep(0.001)
if time.time() - begin > 60:
for pid in process.reapProcessHandlers:
os.kill(pid, signal.SIGKILL)
raise Exception(
"Timeout waiting for child processes to exit: %r" %
(process.reapProcessHandlers, ))
def check():
# Handle the exact problem the warning we're testing for is about.
# If the SIGCHLD arrives before we install our SIGCHLD handler,
# we'll never see the process exit. So after the SIGCHLD handler
# is installed, try to reap children, just in case.
from twisted.internet.process import reapAllProcesses
reapAllProcesses()
def check():
# Handle the exact problem the warning we're testing for is about.
# If the SIGCHLD arrives before we install our SIGCHLD handler,
# we'll never see the process exit. So after the SIGCHLD handler
# is installed, try to reap children, just in case.
from twisted.internet.process import reapAllProcesses
reapAllProcesses()
def mainbody(self):
"""main loop to run actions.
"""
from twisted.internet.process import reapAllProcesses
reapAllProcesses()
zem = self.dmd.ZenEventManager
self.loadActionRules()
self.processRules(zem)
def mainbody(self):
"""main loop to run actions.
"""
from twisted.internet.process import reapAllProcesses
reapAllProcesses()
zem = self.dmd.ZenEventManager
self.loadActionRules()
self.processRules(zem)
def doRead(self):
"""
Having woken up the reactor in response to receipt of
C{SIGCHLD}, reap the process which exited.
This is called whenever the reactor notices the waker pipe is
writeable, which happens soon after any call to the C{wakeUp}
method.
"""
_FDWaker.doRead(self)
process.reapAllProcesses()
def doRead(self):
"""
Having woken up the reactor in response to receipt of
C{SIGCHLD}, reap the process which exited.
This is called whenever the reactor notices the waker pipe is
writeable, which happens soon after any call to the C{wakeUp}
method.
"""
_FDWaker.doRead(self)
process.reapAllProcesses()
def tearDown(self):
"""
Restore the original SIGCHLD handler and reap processes as long as
there seem to be any remaining.
"""
if self.originalHandler is not None:
signal.signal(signal.SIGCHLD, self.originalHandler)
if process is not None:
while process.reapProcessHandlers:
log.msg("ReactorBuilder.tearDown reaping some processes %r" % (process.reapProcessHandlers,))
process.reapAllProcesses()
def tearDown(self):
"""
Restore the original SIGCHLD handler and reap processes as long as
there seem to be any remaining.
"""
if self.originalHandler is not None:
signal.signal(signal.SIGCHLD, self.originalHandler)
if process is not None:
while process.reapProcessHandlers:
log.msg("ReactorBuilder.tearDown reaping some processes %r" %
(process.reapProcessHandlers, ))
process.reapAllProcesses()
def do(self):
# Run Cuckoo sandbox, parse log output, and report back of Peekaboo.
srv = CuckooServer(self)
reactor.spawnProcess(srv, self.interpreter, [self.interpreter, '-u',
self.cuckoo_exec])
# do not install twisted's signal handlers because it will screw with
# our logic (install a handler for SIGTERM and SIGCHLD but not for
# SIGINT). Instead do what their SIGCHLD handler would do and call the
# global process reaper.
reactor.run(installSignalHandlers = False)
process.reapAllProcesses()
return self.exit_code
def _handleSignals(self):
"""
Extend the basic signal handling logic to also support
handling SIGCHLD to know when to try to reap child processes.
"""
_SignalReactorMixin._handleSignals(self)
if platformType == 'posix':
if not self._childWaker:
self._childWaker = _SIGCHLDWaker(self)
self._internalReaders.add(self._childWaker)
self.addReader(self._childWaker)
self._childWaker.install()
# Also reap all processes right now, in case we missed any
# signals before we installed the SIGCHLD waker/handler.
# This should only happen if someone used spawnProcess
# before calling reactor.run (and the process also exited
# already).
process.reapAllProcesses()
def _handleSignals(self):
"""
Extend the basic signal handling logic to also support
handling SIGCHLD to know when to try to reap child processes.
"""
_SignalReactorMixin._handleSignals(self)
if platformType == 'posix' and processEnabled:
if not self._childWaker:
self._childWaker = _SIGCHLDWaker(self)
self._internalReaders.add(self._childWaker)
self.addReader(self._childWaker)
self._childWaker.install()
# Also reap all processes right now, in case we missed any
# signals before we installed the SIGCHLD waker/handler.
# This should only happen if someone used spawnProcess
# before calling reactor.run (and the process also exited
# already).
process.reapAllProcesses()
def do(self):
""" Run Cuckoo sandbox, parse log output, and report back of Peekaboo. """
command = self.cuckoo_exec.split(' ')
# allow for injecting a custom interpreter which we use to run cuckoo
# with python -u for unbuffered standard output
if self.interpreter:
command = self.interpreter.split(' ') + command
reactor.spawnProcess(CuckooServer(self), command[0], command)
# do not install twisted's signal handlers because it will screw with
# our logic (install a handler for SIGTERM and SIGCHLD but not for
# SIGINT). Instead do what their SIGCHLD handler would do and call the
# global process reaper.
reactor.run(installSignalHandlers=False)
process.reapAllProcesses()
return self.exit_code
