def wait(self, timeout=None): if self.returncode is None: if timeout is not None: from multiprocess.connection import wait if not wait([self.sentinel], timeout): return None # This shouldn't block if wait() returned successfully. return self.poll(os.WNOHANG if timeout == 0.0 else 0) return self.returncode
def poll(self, flag=os.WNOHANG): if self.returncode is None: from multiprocess.connection import wait timeout = 0 if flag == os.WNOHANG else None if not wait([self.sentinel], timeout): return None try: self.returncode = forkserver.read_unsigned(self.sentinel) except (OSError, EOFError): # The process ended abnormally perhaps because of a signal self.returncode = 255 return self.returncode
def poll(self, flag=os.WNOHANG): if self.returncode is None: from multiprocess.connection import wait timeout = 0 if flag == os.WNOHANG else None if not wait([self.sentinel], timeout): return None try: self.returncode = forkserver.read_signed(self.sentinel) except (OSError, EOFError): # This should not happen usually, but perhaps the forkserver # process itself got killed self.returncode = 255 return self.returncode