[Fontconfig] mmap-ed caches + patch

Lubos Lunak l.lunak at suse.cz
Wed Sep 28 18:11:21 EST 2005

On Wednesday 28 September 2005 02:24, Patrick Lam wrote:
> Lubos Lunak wrote:
> >  Any cache file I'd say (and yes, I ran fc-cache as root). AFAIK if you
> > truncate a file that's mmap-ed, any access to the no longer existing part
> > of the file results in bad things. I don't know the structure of the
> > cache file, it seems to me it can be built in several steps for different
> > architectures, but I'd expect that the code can't cope with the data
> > simply changing under its hands, and unless the format specifically
> > prevents that I'd expect that to happen. Would there be any problem if
> > you simply unlinked the old file before writing the new one?
> I now use FcAtomic to write to these cache files.  Try the latest CVS
> version.

 It's ok now, thanks.

 Lubos Lunak
 KDE Developer
 l.lunak at suse.cz     l.lunak at kde.org

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