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 "pp_queue.h"

#include "pp_task.h"

#include "zbxcommon.h"

#include "zbxalgo.h"

​

#define PP_TASK_QUEUE_INIT_NONE     0x00

#define PP_TASK_QUEUE_INIT_LOCK     0x01

#define PP_TASK_QUEUE_INIT_EVENT    0x02

​

ZBX_PTR_VECTOR_IMPL(pp_sequence_stats_ptr, zbx_pp_sequence_stats_t *)

​

/* task sequence registry by itemid */

typedef struct

{

    zbx_uint64_t    itemid;

    zbx_pp_task_t   *task;

}

zbx_pp_item_task_sequence_t;

​

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

 *                                                                            *

 * Purpose: initialize task queue                                             *

 *                                                                            *

 * Parameters: queue - [IN] task queue                                        *

 *             error - [OUT]                                                  *

 *                                                                            *

 * Return value: SUCCEED - the task queue was initialized successfully        *

 *               FAIL    - otherwise                                          *

 *                                                                            *

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

int pp_task_queue_init(zbx_pp_queue_t *queue, char **error)

{

    int err, ret = FAIL;

​

    queue->workers_num = 0;

    queue->pending_num = 0;

    queue->finished_num = 0;

    queue->processing_num = 0;

    zbx_list_create(&queue->pending);

    zbx_list_create(&queue->immediate);

    zbx_list_create(&queue->finished);

​

    zbx_hashset_create(&queue->sequences, 100, ZBX_DEFAULT_UINT64_HASH_FUNC, ZBX_DEFAULT_UINT64_COMPARE_FUNC);

​