test_multiprocessing.py 文件源码

def _writefd(cls, conn, data, create_dummy_fds=False):
        if create_dummy_fds:
            for i in range(0, 256):
                if not cls._is_fd_assigned(i):
                    os.dup2(conn.fileno(), i)
        fd = reduction.recv_handle(conn)
        if msvcrt:
            fd = msvcrt.open_osfhandle(fd, os.O_WRONLY)
        os.write(fd, data)
        os.close(fd)