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 "zbxkstat.h"

​

#if defined(HAVE_KSTAT_H) && defined(HAVE_VMINFO_T_UPDATES)

​

#include "zbxmutexs.h"

#include "log.h"

#include "stats.h"

#include "zbxstr.h"

​

extern ZBX_COLLECTOR_DATA   *collector;

​

static kstat_ctl_t  *kc = NULL;

static kid_t        kc_id = 0;

static kstat_t      *kc_vminfo;

​

static zbx_mutex_t  kstat_lock = ZBX_MUTEX_NULL;

​

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

 *                                                                            *

 * Purpose: refreshes kstat environment                                       *

 *                                                                            *

 * Parameters: error - [OUT] the error message                                *

 *                                                                            *

 * Return value: SUCCEED - the kstat environment was refreshed successfully   *

 *               FAIL - otherwise                                             *

 *                                                                            *

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

static int  zbx_kstat_refresh(char **error)

{

    int ret;

    kid_t   kid;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);

​

    if (-1 == (kid = kstat_chain_update(kc)))

    {

        *error = zbx_dsprintf(*error, "failed to update kstat chain: %s", zbx_strerror(errno));

        ret = FAIL;

        goto out;

    }

​

    if (0 != kid)

        kc_id = kid;

​