Re: PROPOSAL: extend pipe() to support NULL argument.

[Changli Gao]

On Mon, Jul 6, 2009 at 2:15 PM, Albert ARIBAUD<albert.aribaud@xxxxxxx> wrote:
>>
>>
>> pipe doesn't support llseek.
>
> I wasn't thinking of actively seeking a file position, but simply that reads
> and writes were independent (and both variable) in size, thus even without
> (l)seeking, each endpoint has an independent read (resp. write) position to
> track what's been read from (resp.written into) it at any time, and such a
> position is, IIUC, single for a given fd, making a fd (a struct file)
> insufficient for representing a pipe.
>
> Amicalement,
> --
> Albert.
>
pipe doesn't refer to pos when reading or writing. Please refer to
pipe_read() and pipe_write() for more detail.


-- 
Regardsï
Changli Gao(xiaosuo@xxxxxxxxx)
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