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/*
** Zabbix
** Copyright (C) 2001-2019 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 "common.h"
#include "sysinfo.h"
#include "log.h"
int KERNEL_MAXPROC(AGENT_REQUEST *request, AGENT_RESULT *result)
{
int ret = SYSINFO_RET_FAIL;
kstat_ctl_t *kc;
kstat_t *kt;
struct var *v;
if (NULL == (kc = kstat_open()))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot open kernel statistics facility: %s",
zbx_strerror(errno)));
return SYSINFO_RET_FAIL;
}
if (NULL == (kt = kstat_lookup(kc, "unix", 0, "var")))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot look up in kernel statistics facility: %s",
zbx_strerror(errno)));
goto clean;
}
if (KSTAT_TYPE_RAW != kt->ks_type)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Information looked up in kernel statistics facility"
" is of the wrong type."));
goto clean;
}
if (-1 == kstat_read(kc, kt, NULL))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot read from kernel statistics facility: %s",
zbx_strerror(errno)));
goto clean;
}
v = (struct var *)kt->ks_data;
/* int v_proc; Max processes system wide */
SET_UI64_RESULT(result, v->v_proc);
ret = SYSINFO_RET_OK;
clean:
kstat_close(kc);
return ret;
}
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