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From: Jesse Pollard <jesse@cats-chateau.net>
To: Jamie Lokier <jamie@shareable.org>, Andi Kleen <ak@suse.de>
Subject: Re: OT: why no file copy() libc/syscall ??
Date: Wed, 19 Nov 2003 07:30:36 -0600
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Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
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On Tuesday 18 November 2003 09:49, Jamie Lokier wrote:
> Andi Kleen wrote:
> > > s/EINTR/short count/, of course :)
> >
> > That would be buggy because existing users of sendfile don't know
> > about this and would silently only copy part of the file when a signal
> > happens.
>
> That doesn't make sense.  There aren't any existing users of sendfile
> to copy files.

True. It also doesn't address the issue of what to do when the file copy is
being done on a remote server and not by something local. Synchronizing
a remote interrupt could really be nasty.