def __repr__(self):
exitcode = None
if self is _current_process:
status = 'started'
elif self._closed:
status = 'closed'
# Begin Truffle change
# elif self._parent_pid != os.getpid():
elif self._parent_pid != _gettid():
# End Truffle change
status = 'unknown'
elif self._popen is None:
status = 'initial'
else:
exitcode = self._popen.poll()
if exitcode is not None:
status = 'stopped'
else:
status = 'started'
info = [type(self).__name__, 'name=%r' % self._name]
if self._popen is not None:
info.append('pid=%s' % self._popen.pid)
info.append('parent=%s' % self._parent_pid)
info.append(status)
if exitcode is not None:
exitcode = _exitcode_to_name.get(exitcode, exitcode)
info.append('exitcode=%s' % exitcode)
if self.daemon:
info.append('daemon')
return '<%s>' % ' '.join(info)
def __init__(self,
group=None,
target=None,
name=None,
args=(),
kwargs={},
*,
daemon=None):
assert group is None, 'group argument must be None for now'
count = next(_process_counter)
self._identity = _current_process._identity + (count, )
self._config = _current_process._config.copy()
# Begin Truffle change
# self._parent_pid = os.getpid()
self._parent_pid = _gettid()
# End Truffle change
self._parent_name = _current_process.name
self._popen = None
self._closed = False
self._target = target
self._args = tuple(args)
self._kwargs = dict(kwargs)
self._name = name or type(self).__name__ + '-' + \
':'.join(str(i) for i in self._identity)
if daemon is not None:
self.daemon = daemon
_dangling.add(self)
def ident(self):
'''
Return identifier (PID) of process or `None` if it has yet to start
'''
self._check_closed()
if self is _current_process:
# Begin Truffle change
# return os.getpid()
return _gettid()
# End Truffle change
else:
return self._popen and self._popen.pid
def join(self, timeout=None):
'''
Wait until child process terminates
'''
self._check_closed()
# Begin Truffle change
# assert self._parent_pid == os.getpid(), 'can only join a child process'
assert self._parent_pid == _gettid(), 'can only join a child process'
# End Truffle change
assert self._popen is not None, 'can only join a started process'
res = self._popen.wait(timeout)
if res is not None:
_children.discard(self)
def is_alive(self):
'''
Return whether process is alive
'''
self._check_closed()
if self is _current_process:
return True
# Begin Truffle change
# assert self._parent_pid == os.getpid(), 'can only test a child process'
assert self._parent_pid == _gettid(), 'can only test a child process'
# End Truffle change
if self._popen is None:
return False
returncode = self._popen.poll()
if returncode is None:
return True
else:
_children.discard(self)
return False
def start(self):
'''
Start child process
'''
self._check_closed()
assert self._popen is None, 'cannot start a process twice'
# Begin Truffle change
# assert self._parent_pid == os.getpid(), \
# 'can only start a process object created by current process'
assert self._parent_pid == _gettid(), \
'can only start a process object created by current process'
# End Truffle change
assert not _current_process._config.get('daemon'), \
'daemonic processes are not allowed to have children'
_cleanup()
self._popen = self._Popen(self)
self._sentinel = self._popen.sentinel
# Avoid a refcycle if the target function holds an indirect
# reference to the process object (see bpo-30775)
del self._target, self._args, self._kwargs
_children.add(self)
def __init__(self, obj, callback, args=(), kwargs=None, exitpriority=None):
if (exitpriority is not None) and not isinstance(exitpriority, int):
raise TypeError(
"Exitpriority ({0!r}) must be None or int, not {1!s}".format(
exitpriority, type(exitpriority)))
if obj is not None:
self._weakref = weakref.ref(obj, self)
elif exitpriority is None:
raise ValueError("Without object, exitpriority cannot be None")
self._callback = callback
self._args = args
self._kwargs = kwargs or {}
self._key = (exitpriority, next(_finalizer_counter))
# Begin Truffle change
# self._pid = os.getpid()
self._pid = _gettid()
# End Truffle change
_finalizer_registry[self._key] = self