linux 擷取CPU個數

#include<stdio.h>

    #include<unistd.h>

    int main()

    {

    int cpu_num;

    cpu_num = sysconf(_SC_NPROCESSORS_CONF);

    printf("_SC_NPROCESSORS_CONF=%d\n",cpu_num);

    cpu_num = sysconf(_SC_NPROCESSORS_ONLN);

    printf("_SC_NPROCESSORS_ONLN=%d\n",cpu_num);

    return 0;

    }

    /*

    * - _SC_NPROCESSORS_CONF

    * The number of processors configured.

    *

    * - _SC_NPROCESSORS_ONLN

    * The number of processors currently online (available).

    */

本文轉自 jiu~ 部落格園部落格，原文連結：http://www.cnblogs.com/jiu0821/p/8434408.html，如需轉載請自行聯系原作者