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klist.h
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klist.h
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/*
* Copyright 2013-2014 Andrew Smith - BlackArrow Ltd
*
* 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 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#ifndef KLIST_H
#define KLIST_H
#include <miner.h>
#define KLIST_FFL " - from %s %s() line %d"
#define KLIST_FFL_HERE __FILE__, __func__, __LINE__
#define KLIST_FFL_PASS file, func, line
#define KLIST_FFL_ARGS __maybe_unused const char *file, \
__maybe_unused const char *func, \
__maybe_unused const int line
typedef struct k_item {
const char *name;
struct k_item *prev;
struct k_item *next;
void *data;
} K_ITEM;
typedef struct k_list {
const char *name;
bool is_store;
cglock_t *lock;
struct k_item *head;
struct k_item *tail;
size_t siz; // item data size
int total; // total allocated
int count; // in this list
int count_up; // incremented every time one is added
int allocate; // number to intially allocate and each time we run out
int limit; // total limit - 0 means unlimited
bool do_tail; // track the tail?
int item_mem_count; // how many item memory buffers have been allocated
void **item_memory; // allocated item memory buffers
int data_mem_count; // how many item data memory buffers have been allocated
void **data_memory; // allocated item data memory buffers
} K_LIST;
/*
* K_STORE is for a list of items taken from a K_LIST
* The restriction is, a K_STORE must not allocate new items,
* only the K_LIST should do that
* i.e. all K_STORE items came from a K_LIST
*/
#define K_STORE K_LIST
/*
* N.B. all locking is done in the code using the K_*LOCK macros
*/
#define K_WLOCK(_list) cg_wlock(_list->lock)
#define K_WUNLOCK(_list) cg_wunlock(_list->lock)
#define K_RLOCK(_list) cg_rlock(_list->lock)
#define K_RUNLOCK(_list) cg_runlock(_list->lock)
extern K_STORE *k_new_store(K_LIST *list);
extern K_LIST *_k_new_list(const char *name, size_t siz, int allocate, int limit, bool do_tail, KLIST_FFL_ARGS);
#define k_new_list(_name, _siz, _allocate, _limit, _do_tail) _k_new_list(_name, _siz, _allocate, _limit, _do_tail, KLIST_FFL_HERE)
extern K_ITEM *_k_unlink_head(K_LIST *list, KLIST_FFL_ARGS);
#define k_unlink_head(_list) _k_unlink_head(_list, KLIST_FFL_HERE)
extern K_ITEM *_k_unlink_head_zero(K_LIST *list, KLIST_FFL_ARGS);
#define k_unlink_head_zero(_list) _k_unlink_head_zero(_list, KLIST_FFL_HERE)
extern K_ITEM *_k_unlink_tail(K_LIST *list, KLIST_FFL_ARGS);
#define k_unlink_tail(_list) _k_unlink_tail(_list, KLIST_FFL_HERE)
extern void _k_add_head(K_LIST *list, K_ITEM *item, KLIST_FFL_ARGS);
#define k_add_head(_list, _item) _k_add_head(_list, _item, KLIST_FFL_HERE)
// extern void k_free_head(K_LIST *list, K_ITEM *item, KLIST_FFL_ARGS);
#define k_free_head(__list, __item) _k_add_head(__list, __item, KLIST_FFL_HERE)
extern void _k_add_tail(K_LIST *list, K_ITEM *item, KLIST_FFL_ARGS);
#define k_add_tail(_list, _item) _k_add_tail(_list, _item, KLIST_FFL_HERE)
extern void _k_insert_before(K_LIST *list, K_ITEM *item, K_ITEM *before, KLIST_FFL_ARGS);
#define k_insert_before(_list, _item, _before) _k_insert_before(_list, _item, _before, KLIST_FFL_HERE)
extern void _k_insert_after(K_LIST *list, K_ITEM *item, K_ITEM *after, KLIST_FFL_ARGS);
#define k_insert_after(_list, _item, _after) _k_insert_after(_list, _item, _after, KLIST_FFL_HERE)
extern void _k_unlink_item(K_LIST *list, K_ITEM *item, KLIST_FFL_ARGS);
#define k_unlink_item(_list, _item) _k_unlink_item(_list, _item, KLIST_FFL_HERE)
void _k_list_transfer_to_head(K_LIST *from, K_LIST *to, KLIST_FFL_ARGS);
#define k_list_transfer_to_head(_from, _to) _k_list_transfer_to_head(_from, _to, KLIST_FFL_HERE)
void _k_list_transfer_to_tail(K_LIST *from, K_LIST *to, KLIST_FFL_ARGS);
#define k_list_transfer_to_tail(_from, _to) _k_list_transfer_to_tail(_from, _to, KLIST_FFL_HERE)
extern K_LIST *_k_free_list(K_LIST *list, KLIST_FFL_ARGS);
#define k_free_list(_list) _k_free_list(_list, KLIST_FFL_HERE)
extern K_STORE *_k_free_store(K_STORE *store, KLIST_FFL_ARGS);
#define k_free_store(_store) _k_free_store(_store, KLIST_FFL_HERE)
#endif