Messages in this thread | | | Date | Mon, 8 Apr 2002 23:51:58 +0200 | From | "J.A. Magallon" <> | Subject | Re: system call for finding the number of cpus?? |
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On 2002.04.08 Robert Love wrote: >On Mon, 2002-04-08 at 17:18, Kuppuswamy, Priyadarshini wrote: > >> I have a script that is using the /cpu/procinfo file to determine the >> number of cpus present in the system. But I would like to implement it >> using a system call rather than use the environment variables?? I couldn't >> find a system call for linux that would give me the result. Could anyone >> please let me know if there is one for redhat linux?? > >Linux does not implement such a syscall. Note >
How about this:
#include <sys/sysinfo.h> ... //nproc = get_nprocs(); // Available processors nproc = get_nprocs_conf(); // Configured processors (some can be down...)
(glibc 2.2.5, but i think it keeps working since time ago).
BTW, why linux does not implement sysconf(_SC_NPROC_[CONF,ONLN]) ??
TIA
-- J.A. Magallon # Let the source be with you... mailto:jamagallon@able.es Mandrake Linux release 8.3 (Cooker) for i586 Linux werewolf 2.4.19-pre6-jam1 #1 SMP Sun Apr 7 00:50:05 CEST 2002 i686 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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