Re: check memory mapping

[manu%netbsd.org@localhost (Emmanuel Dreyfus)]

Emmanuel Dreyfus <manu%netbsd.org@localhost> wrote:

> > You could access it via system call like read(2) from /dev/zero to test
> > if it is writable, or write(2) to /dev/null for readability.
> 
> I retain the read test. The write test is troublesome because it modify memory
> if it is accessible.

The read test works very well, but what about a write test that does not
really change memory?

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu%netbsd.org@localhost