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