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Re: "here strings" and tmpfiles


From: konsolebox
Subject: Re: "here strings" and tmpfiles
Date: Sat, 13 Apr 2019 00:24:33 +0800

On Fri, Apr 12, 2019 at 10:32 PM Chet Ramey <address@hidden> wrote:
>
> On 4/11/19 3:08 PM, konsolebox wrote:
>
> >>> It has slightly inconvenient semantics, in that you can't open it more
> >>> than once, and if you can't do that, you can't convert it from read-write
> >>> to readonly.
> >>
> >>
> >> Perhaps it can be reopened via /dev/fd.
> >
> > Also file sealing maybe.  The way it restricts writing is just a
> > little different.
>
> It seems like if you don't mmap the file, you won't create the shared
> writable mapping that would restrict you from sealing the file against
> writes.

Ok, thanks for the reply.  I'll check these theories myself next weekend.

-- 
konsolebox



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