Subj : Re: Threading and Timeouts
To   : comp.programming.threads
From : Giancarlo Niccolai
Date : Thu Jul 21 2005 02:08 am

David Schwartz wrote:

> 
> "Giancarlo Niccolai" <searchforme@ingoogle.com> wrote in message
> news:dbmbi4$ot9$1@newsread.albacom.net...
> 
>> No; if the underlying protocol can accept data fragmentation (i.e. TCP),
>> write() will post to the network layer exactly the data that can pass in
>> that moment (and will return how many characters have been delivered),
> 
>     Where do you find this guaranteed?

In the send() specification. I already posted it, please read it or search
it on the web.

> 
>> If any of this weren't the case, then the POSIX specifications about
>> select() wouldn't be possibly fulfilled, as it explicitly says that after
>> that select() declares a socket ready, it MUST NOT BLOCK the very next
>> operation for which select() was queried .
> 
>     It does not say that anywhere. You are totally making that up.
> 

EHHHH?

Here it is: A descriptor shall be considered ready for writing when a call
to an output function with O_NONBLOCK clear would not block, whether or not
the function would transfer data successfully. 

If this doesn't mean what I said... well tell me what it means.

Giancarlo.

.