Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "stats.h"

​

#include "log.h"

#include "zbxtime.h"

#include "zbxmutexs.h"

​

#ifdef _WINDOWS

#   include "zbxwinservice.h"

#   include "perfstat.h"

/* defined in sysinfo lib */

extern int get_cpu_num_win32(void);

#else

#   include "zbxnix.h"

#endif

​

ZBX_COLLECTOR_DATA  *collector = NULL;

​

#ifndef _WINDOWS

static int      shm_id;

int         my_diskstat_shmid = ZBX_NONEXISTENT_SHMID;

ZBX_DISKDEVICES_DATA    *diskdevices = NULL;

zbx_mutex_t     diskstats_lock = ZBX_MUTEX_NULL;

#endif

​

/******************************************************************************

 *                                                                            *

 * Purpose: returns the number of processors which are currently online       *

 *          (i.e., available).                                                *

 *                                                                            *

 * Return value: number of CPUs                                               *

 *                                                                            *

 ******************************************************************************/

static int  zbx_get_cpu_num(void)

{

#if defined(_WINDOWS)

    return get_cpu_num_win32();

#elif defined(HAVE_SYS_PSTAT_H)

    struct pst_dynamic  psd;

​

    if (-1 == pstat_getdynamic(&psd, sizeof(struct pst_dynamic), 1, 0))

        goto return_one;

​

    return (int)psd.psd_proc_cnt;

#elif defined(_SC_NPROCESSORS_CONF)