fcntl/ioctl and O_NONBLOCK

[Ralf Hildebrandt]

On 28 Nov 1999 06:45:26 GMT, Donn Cave <donn at oz.net> wrote:

>Yes - only a guess, but it bites everyone at least once when trying
>to talk to another process via pipes.  After each write(), where your
>Python program is writing to the ``stdin'' of the plot process, add
>a flush(), i.e. stdin.flush().

Yup, forgot that one. As usual.

>data to be written immediately anyway.  You can also control this
>by the buffer size parameter to the function that creates the file
>object, or just avoid a file object altogether and write directly
>to the pipe file descriptor.
Yes? I always wondered what the "default" buffer size was.