Re: [Libevent-users] Dynamic changes of read water mark

[Mark Ellzey <mthomas@xxxxxxxxxx>]

On Wed, Sep 01, 2010 at 10:06:44AM -0700, Gilad Benjamini wrote:
> Your sample code did not include the watermark part.

It doesn't need to.

> May I assume that at the end of the code snippet you would set the low
> watermark ?

No.

> If I set the low watermark to X, am I guaranteed that the next time I reach
> the callback at least X bytes are available ?

The key here is "at least". You can have more waiting, and you have to
take that into account.

> Is that also true if I leave some bytes in the buffer at the end of my
> processing ?
> 

If you leave bytes on the buffer when a bufferevent is signaled, the
bufferevent will not signal again until something else is written to it.

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