209     oldchldhandler = signal.signal(signal.SIGCHLD, sigchldhandler)

   209     oldchldhandler = signal.signal(signal.SIGCHLD, sigchldhandler)

   210     ui.flush()

   210     ui.flush()

   211     parentpid = os.getpid()

   211     parentpid = os.getpid()

   212     pipes = []

   212     pipes = []

   213     retval = {}

   213     retval = {}

   215         # Every worker gets its own pipe to send results on, so we don't have to

   215         # Every worker gets its own pipe to send results on, so we don't have to

   216         # implement atomic writes larger than PIPE_BUF. Each forked process has

   216         # implement atomic writes larger than PIPE_BUF. Each forked process has

   217         # its own pipe's descriptors in the local variables, and the parent

   217         # its own pipe's descriptors in the local variables, and the parent

   218         # process has the full list of pipe descriptors (and it doesn't really

   218         # process has the full list of pipe descriptors (and it doesn't really

   219         # care what order they're in).

   219         # care what order they're in).