Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxsysinfo.h"

#include "../sysinfo.h"

​

int system_uptime(AGENT_REQUEST *request, AGENT_RESULT *result)

{

#ifdef HAVE_FUNCTION_SYSCTL_KERN_BOOTTIME

    int     mib[2], now;

    size_t      len;

    struct timeval  uptime;

​

    mib[0] = CTL_KERN;

    mib[1] = KERN_BOOTTIME;

​

    len = sizeof(struct timeval);

​

    if (0 != sysctl(mib, 2, &uptime, &len, NULL, 0))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s", zbx_strerror(errno)));

        return SYSINFO_RET_FAIL;

    }

​

    now = time(NULL);

​

    SET_UI64_RESULT(result, now - uptime.tv_sec);

​

    return SYSINFO_RET_OK;

#else

    SET_MSG_RESULT(result, zbx_strdup(NULL, "Agent was compiled without support for uptime information."));

​

    return SYSINFO_RET_FAIL;

#endif

}