On Mar 29, 12:49 am, Ondrej Certik <ond...@certik.cz> wrote:
> I just tried the following code on several linuxes (Debian, Ubuntu,
> Gentoo, Red Hat, OpenSUSE) and on OS X 10.5 Intel and it seems to just
> work everywhere:
>
> #include "unistd.h"
> #include "stdio.h"
>
> int main()
> {
> int ncpus;
> ncpus = sysconf(_SC_NPROCESSORS_ONLN);
> printf("%d", ncpus);
> return 0;
>
> }
This is the best way. I am using sysconf on POSIX systems now.
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