subProcController.py 文件源码

def create_subprocess(self, proc_name, arg):
        proc = None
        with self.lock:
            if proc_name in self.sub_proc_map:
                raise Exception('proc_name already exists!')
            try:
                def preexec_function():
                    os.setpgrp()

                proc = subprocess.Popen(arg
                                        , preexec_fn=preexec_function
                                        )
                self.sub_proc_map[proc_name] = proc
            except Exception as e:
                print e
                traceback.print_exc()
        return proc