/* ** 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 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" static int read_uint64_from_procfs(const char *path, zbx_uint64_t *value) { int ret = SYSINFO_RET_FAIL; char line[MAX_STRING_LEN]; FILE *f; if (NULL != (f = fopen(path, "r"))) { if (NULL != fgets(line, sizeof(line), f)) { if (1 == sscanf(line, ZBX_FS_UI64 "\n", value)) ret = SYSINFO_RET_OK; } zbx_fclose(f); } return ret; } int KERNEL_MAXFILES(AGENT_REQUEST *request, AGENT_RESULT *result) { zbx_uint64_t value; ZBX_UNUSED(request); if (SYSINFO_RET_FAIL == read_uint64_from_procfs("/proc/sys/fs/file-max", &value)) { SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain data from /proc/sys/fs/file-max.")); return SYSINFO_RET_FAIL; } SET_UI64_RESULT(result, value); return SYSINFO_RET_OK; } int KERNEL_MAXPROC(AGENT_REQUEST *request, AGENT_RESULT *result) { zbx_uint64_t value; ZBX_UNUSED(request); if (SYSINFO_RET_FAIL == read_uint64_from_procfs("/proc/sys/kernel/pid_max", &value)) { SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain data from /proc/sys/kernel/pid_max.")); return SYSINFO_RET_FAIL; } SET_UI64_RESULT(result, value); return SYSINFO_RET_OK; }