Re: Is sendfile all that sexy?
H. Peter Anvin (hpa@zytor.com)
15 Jan 2001 12:17:59 -0800
Followup to: <20010115173607.S25659@mea-ext.zmailer.org>
By author: Matti Aarnio <matti.aarnio@zmailer.org>
In newsgroup: linux.dev.kernel
>
> One thing about 'sendfile' (and likely 'sendpath') is that
> current (hammered into running binaries -> unchangeable)
> syscalls support only up to 2GB files at 32 bit systems.
>
> Glibc 2.2(9) at RedHat <sys/sendfile.h>:
>
> #ifdef __USE_FILE_OFFSET64
> # error "<sendfile.h> cannot be used with _FILE_OFFSET_BITS=64"
> #endif
>
> I do admit that doing sendfile() on some extremely large
> file is unlikely, but still...
>
2 GB isn't really that extremely large these days. This is an
unpleasant limitation.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
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