stdin set to nonblocking mode

[Tomasz Zielonka]

On Fri, Aug 12, 2005 at 07:43:56AM -0700, John Meacham wrote:
> > Hmm, care to give some details as to why you equate "can" with
> > "always will" on all platforms?
> 
> Yes. this is guarenteed behavior on pretty much every system. A whole
> lot of things would break if it were otherwise. if select says a file
> descriptor can be written to or read from then the next write or read call is
> guarenteed to not block, no matter what its size. (you just may get a
> short read or write) 

However, this next read/write doesn't have to be the one you call right
after select - it could be called in another process/thread, which
shares the open socket or pipe.

Best regards
Tomasz