On Fri, 19 Nov 1999, Zhihui Zhang wrote:

> 
> Can anyone explain for me what are short read and short write? Under what
> circumstances will they happen and how FreeBSD deals with them?  I come
> to this question while looking at code in file ufs/ufs_readwrite.c.

A ``short read'' or ``short write'' are when the read() and write() system
calls return less data than requested.  For example, if you had the read
call

read(fd, &buf, 1024)

and read could pull only 512 bytes from the file descriptor, read() would
return 512 and that would be a short read.

Doug White                    |  FreeBSD: The Power to Serve
[EMAIL PROTECTED]     |  www.FreeBSD.org



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