Re: Number of processors
surely you cannot have a truly portable system that enumerates "cpus"
after all who says there has to be one?
Do numerical or I/O co-processors count as cpus? unless the architecture
is defined it makes no sense, and if the architecture is defined you may
as well define something like /proc and if you want something like /proc
/proc is more like it than anything else!
Jeff
Phil Brutsche wrote:
>
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> A long time ago, in a galaxy far, far way, someone said...
>
> > Nope. We have to use some "C" or "C++" system/function call. Our
> > programmers don't want to depend on the /proc file system being
> > available.
>
> If you're looking for an OS independant way of doing such things (ie the
> same between Linux, *BSD, Windows, BeOS, Solaris, etc) the interfaces
> don't exist.
>
> On Linux the method for userspace to know about the hardware is to use the
> files under /proc. That's what they're there for.
>
> BTW most system utilities require access to /proc anyway, making a Linux
> system without /proc a pain in the butt to administer. IMO you have no
> choice but to rely on it.
>
> Hope you don't need to rely on the processor features enumerated in
> /proc/cpuinfo - it is not consistent for all architectures Linux supports
> :(
>
> - --
> - ----------------------------------------------------------------------
> Phil Brutsche pbrutsch@tux.creighton.edu
>
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