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# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import multiprocessing
import log
import time
_RealProcess = multiprocessing.Process
__all__ = []
class ProcessSubclass(_RealProcess):
def __init__(self, shim, *args, **kwards):
_RealProcess.__init__(self, *args, **kwards)
self._shim = shim
def run(self,*args,**kwargs):
log._disallow_tracing_control()
try:
r = _RealProcess.run(self, *args, **kwargs)
finally:
if log.trace_is_enabled():
log.trace_flush() # todo, reduce need for this...
return r
class ProcessShim():
def __init__(self, group=None, target=None, name=None, args=(), kwargs={}):
self._proc = ProcessSubclass(self, group, target, name, args, kwargs)
# hint to testing code that the shimming worked
self._shimmed_by_trace_event = True
def run(self):
self._proc.run()
def start(self):
self._proc.start()
def terminate(self):
if log.trace_is_enabled():
# give the flush a chance to finish --> TODO: find some other way.
time.sleep(0.25)
self._proc.terminate()
def join(self, timeout=None):
self._proc.join( timeout)
def is_alive(self):
return self._proc.is_alive()
@property
def name(self):
return self._proc.name
@name.setter
def name(self, name):
self._proc.name = name
@property
def daemon(self):
return self._proc.daemon
@daemon.setter
def daemon(self, daemonic):
self._proc.daemon = daemonic
@property
def authkey(self):
return self._proc._authkey
@authkey.setter
def authkey(self, authkey):
self._proc.authkey = AuthenticationString(authkey)
@property
def exitcode(self):
return self._proc.exitcode
@property
def ident(self):
return self._proc.ident
@property
def pid(self):
return self._proc.pid
def __repr__(self):
return self._proc.__repr__()
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