Re: select() bug

Alan Cox
2000-11-02T23:55:42Z

> - Does this make sense with devices with small kernel buffers? From
> my experimentation, pipes on Linux have a 4K buffer and tend to be
> read and written very quickly.

It makes sense for all things I suspect

> - If I'm correct that pipes have a 4K kernel buffer, then writing 1
> byte shouldn't cause this situation, as the buffer is well more than
> half empty. Is this still a bug?

The pipe code uses totally full/empty. Im not sure why that was chosen

> Semantic issues aside, since Apache does the test I mentionned earlier
> to determine child status and since it could be misled, should this
> feature be turned off?

Or made smarter yes