82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
#pragma once
|
|
#ifndef _MAXSCALE_MLIST_H
|
|
#define _MAXSCALE_MLIST_H
|
|
/*
|
|
* Copyright (c) 2016 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2022-01-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
|
|
#include <maxscale/cdefs.h>
|
|
#include "skygw_utils.h"
|
|
|
|
MXS_BEGIN_DECLS
|
|
|
|
typedef struct mlist_node_st mlist_node_t;
|
|
|
|
typedef struct mlist_st
|
|
{
|
|
skygw_chk_t mlist_chk_top;
|
|
char* mlist_name;
|
|
void (*mlist_datadel)(void *); /**< clean-up function for data */
|
|
simple_mutex_t mlist_mutex; /**< protect node updates and clean-up */
|
|
bool mlist_uselock;
|
|
bool mlist_islocked;
|
|
bool mlist_deleted;
|
|
size_t mlist_nodecount;
|
|
size_t mlist_nodecount_max; /**< size limit. 0 == no limit */
|
|
volatile size_t mlist_versno;
|
|
bool mlist_flat;
|
|
mlist_node_t* mlist_first;
|
|
mlist_node_t* mlist_last;
|
|
skygw_chk_t mlist_chk_tail;
|
|
} mlist_t;
|
|
|
|
typedef struct mlist_cursor_st
|
|
{
|
|
skygw_chk_t mlcursor_chk_top;
|
|
mlist_t* mlcursor_list;
|
|
mlist_node_t* mlcursor_pos;
|
|
pthread_t* mlcursor_owner_thr;
|
|
skygw_chk_t mlcursor_chk_tail;
|
|
} mlist_cursor_t;
|
|
|
|
struct mlist_node_st
|
|
{
|
|
skygw_chk_t mlnode_chk_top;
|
|
mlist_t* mlnode_list;
|
|
mlist_node_t* mlnode_next;
|
|
void* mlnode_data;
|
|
bool mlnode_deleted;
|
|
skygw_chk_t mlnode_chk_tail;
|
|
};
|
|
|
|
|
|
mlist_t* mlist_init(mlist_t* mlist,
|
|
mlist_cursor_t** cursor,
|
|
char* name,
|
|
void (*datadel)(void*),
|
|
int maxnodes);
|
|
void mlist_done(mlist_t* list);
|
|
bool mlist_add_data_nomutex(mlist_t* list, void* data);
|
|
bool mlist_add_node_nomutex(mlist_t* list, mlist_node_t* newnode);
|
|
mlist_node_t* mlist_detach_first(mlist_t* ml);
|
|
mlist_node_t* mlist_detach_nodes(mlist_t* ml);
|
|
void* mlist_node_get_data(mlist_node_t* node);
|
|
void mlist_node_done(mlist_node_t* n);
|
|
|
|
mlist_cursor_t* mlist_cursor_init(mlist_t* ml);
|
|
void* mlist_cursor_get_data_nomutex(mlist_cursor_t* c);
|
|
bool mlist_cursor_move_to_first(mlist_cursor_t* c);
|
|
|
|
MXS_END_DECLS
|
|
|
|
#endif
|