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Re: Another alternative string representation proposal
From: |
Keisuke Nishida |
Subject: |
Re: Another alternative string representation proposal |
Date: |
25 Sep 2000 20:23:55 -0400 |
User-agent: |
T-gnus/6.14.4 (based on Gnus v5.8.6) (revision 02) SEMI/1.13.7 (Awazu) Chao/1.14.0 (Momoyama) Emacs/20.7 (i686-pc-linux-gnu) MULE/4.1 (AOI) |
address@hidden (Carl R. Witty) writes:
> > If you modify mmap'ed memory, it is copied anyway, isn't it? And we'd
> > like to use shared mapping rather than private mapping, right? I think
> > mmap'ed memory should be read-only.
>
> You can use mmap'ed memory for inter-process communication, or for
> read-write access to a file (a database, say). In those cases you
> want a shared writable mapping.
But I don't think anyone wants to use shared writable memory for strings.
So, as you say, probably one should define a special type if one want to
use mmap for such a purpose.