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From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.unix.questions
Subject: Re: How to do a non-blocking write of more than one char?
Message-ID: <2799@auspex.auspex.com>
Date: 8 Jan 90 22:28:18 GMT
References: <2759@stealth.acf.nyu.edu>
Distribution: usa
Organization: Auspex Systems, Santa Clara
Lines: 7

>If select() says the fd is writable, is the write() guaranteed not to
>block?

Which "write()"?  Not all "write()"s are guaranteed not to block.  It's
guaranteed that you can write *some* amount of data without blocking,
but no guarantee as to how much is made, in general.  Sorry, but you
really *are* expected to use non-blocking I/O in that case....