Re: [MiNT] kernel 1.15.10b fragmentation

[Guido.Flohr@t-online.de (Guido Flohr)]

Hi,

On Mon, Jan 01, 2001 at 10:15:08AM -0500, Lonny Pursell wrote:
> A more generalized doc would be interesting indeed.  The few times
> I've tested my system with MP, often results in a search and seek
> mission, trying to find the app at fault, cause often as you probably
> already know the app that gets killed, is often not the one to blame.
> Old or bad code from programs sending pointers to protected buffers
> and the like.  I know I've done some tweaking and fiddling and
> wished there was more info to.  I suspect often we who test MP
> end up fighting with common apps such as st-guide.  ;-)

Proposal for new kernel function:

	long MAccess (unsigned long address, unsigned long size,
		      short int mode);

This function should allow "innocent" applications to check a pointer
of foreign or otherwise dubious origin before it is being used.  The
"mode" argument should hold a bit vector with the desired access method
(read, write or both).

Such a call would probably be a little more performant than installing a
signal handler for SIGSEGV.

Ciao

Guido