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.

**/

​

#ifndef ZABBIX_MUTEXS_H

#define ZABBIX_MUTEXS_H

​

#include "zbxcommon.h"

#include "zbxprof.h"

​

#ifdef _WINDOWS

#   define ZBX_MUTEX_NULL       NULL

​

#   define ZBX_MUTEX_LOG        zbx_mutex_create_per_process_name(L"ZBX_MUTEX_LOG")

#   define ZBX_MUTEX_PERFSTAT   zbx_mutex_create_per_process_name(L"ZBX_MUTEX_PERFSTAT")

​

typedef wchar_t * zbx_mutex_name_t;

typedef HANDLE zbx_mutex_t;

​

#   define zbx_mutex_lock(mutex)        __zbx_mutex_lock(__FILE__, __LINE__, mutex)

#   define zbx_mutex_unlock(mutex)      __zbx_mutex_unlock(__FILE__, __LINE__, mutex)

#else   /* not _WINDOWS */

typedef enum

{

    ZBX_MUTEX_LOG = 0,

    ZBX_MUTEX_CACHE,

    ZBX_MUTEX_TRENDS,

    ZBX_MUTEX_CACHE_IDS,

    ZBX_MUTEX_SELFMON,

    ZBX_MUTEX_CPUSTATS,

    ZBX_MUTEX_DISKSTATS,

    ZBX_MUTEX_VALUECACHE,

    ZBX_MUTEX_VMWARE,

    ZBX_MUTEX_SQLITE3,

    ZBX_MUTEX_PROCSTAT,

    ZBX_MUTEX_PROXY_HISTORY,

#ifdef HAVE_VMINFO_T_UPDATES

    ZBX_MUTEX_KSTAT,

#endif

    ZBX_MUTEX_MODBUS,

    ZBX_MUTEX_TREND_FUNC,

    ZBX_MUTEX_PROXY_BUFFER,

    /* NOTE: Do not forget to sync changes here with mutex names in diag_add_locks_info()! */

    ZBX_MUTEX_COUNT

}

zbx_mutex_name_t;

​

typedef enum

{

    ZBX_RWLOCK_CONFIG = 0,

    ZBX_RWLOCK_CONFIG_HISTORY,

    ZBX_RWLOCK_VALUECACHE,

    ZBX_RWLOCK_COUNT,

}

zbx_rwlock_name_t;

​

#ifdef HAVE_PTHREAD_PROCESS_SHARED

#   define ZBX_MUTEX_NULL           NULL

#   define ZBX_RWLOCK_NULL          NULL

​

#   define zbx_rwlock_wrlock(rwlock)                \

                                    \

    do                              \

    {                               \

        zbx_prof_start(__func__, ZBX_PROF_RWLOCK);      \

        __zbx_rwlock_wrlock(__FILE__, __LINE__, rwlock);    \

        zbx_prof_end_wait();                    \

    }                               \

    while (0)

​

#   define zbx_rwlock_rdlock(rwlock)                \

                                    \

    do                              \

    {                               \

        zbx_prof_start(__func__, ZBX_PROF_RWLOCK);      \

        __zbx_rwlock_rdlock(__FILE__, __LINE__, rwlock);    \