/* Based on code from: http://lists.gnu.org/archive/html/autoconf/2002-08/msg00126.html
 */

#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#else
#include <unistd.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include "numberOfProcessors.h"

bool numberOfProcessors( int &num, int &max )
{
    long nprocs = -1;
    long nprocs_max = -1;

#ifdef _WIN32
#ifndef _SC_NPROCESSORS_ONLN
    SYSTEM_INFO info;
    GetSystemInfo(&info);
#define sysconf(a) info.dwNumberOfProcessors
#define _SC_NPROCESSORS_ONLN
#endif
#endif

#ifdef _SC_NPROCESSORS_ONLN
    nprocs = sysconf(_SC_NPROCESSORS_ONLN);
    if (nprocs < 1)
    {
        return false;
    }

    nprocs_max = sysconf(_SC_NPROCESSORS_CONF);
    if (nprocs_max < 1)
    {
        return false;
    }

    num = nprocs;
    max = nprocs_max;

    return true;
#else
    return false;
#endif
}