Subj : Re: Threading and Timeouts
To   : comp.programming.threads
From : David Schwartz
Date : Wed Jul 20 2005 05:52 pm


"Giancarlo Niccolai" <searchforme@ingoogle.com> wrote in message 
news:dbml71$ec$2@newsread.albacom.net...
>>     So if a FIFO gets a 'write' hit for 'select', a subsequent 'write' on
>>     a
>> non-blocking socket can block? What happened to the supposed guarantee
>> that 'select' was supposed to provide?
>>
>>     DS
>
> What? A pipe and a socket are different, and so they have different FD. I
> don't get your point.

    Typo, that should say 'pipe' everywhere. The point is, if a later write 
on a pipe can block, then 'select' doesn't guarantee that a subsequent 
operation won't block. In any event, it doesn't matter. Nowhere does POSIX 
ever provide a future guarantee for 'select' or any similar function.

    DS

.