ceph/src/pmdk/src/libpmemobj/list.h

   1 /* SPDX-License-Identifier: BSD-3-Clause */
   2 /* Copyright 2015-2020, Intel Corporation */
   3
   4 /*
   5  * list.h -- internal definitions for persistent atomic lists module
   6  */
   7
   8 #ifndef LIBPMEMOBJ_LIST_H
   9 #define LIBPMEMOBJ_LIST_H 1
  10
  11 #include <stddef.h>
  12 #include <stdint.h>
  13 #include <sys/types.h>
  14
  15 #include "libpmemobj.h"
  16 #include "lane.h"
  17 #include "pmalloc.h"
  18 #include "ulog.h"
  19
  20 #ifdef __cplusplus
  21 extern "C" {
  22 #endif
  23
  24 struct list_entry {
  25         PMEMoid pe_next;
  26         PMEMoid pe_prev;
  27 };
  28
  29 struct list_head {
  30         PMEMoid pe_first;
  31         PMEMmutex lock;
  32 };
  33
  34 int list_insert_new_user(PMEMobjpool *pop,
  35         size_t pe_offset, struct list_head *user_head, PMEMoid dest, int before,
  36         size_t size, uint64_t type_num, palloc_constr constructor, void *arg,
  37         PMEMoid *oidp);
  38
  39 int list_insert(PMEMobjpool *pop,
  40         ssize_t pe_offset, struct list_head *head, PMEMoid dest, int before,
  41         PMEMoid oid);
  42
  43 int list_remove_free_user(PMEMobjpool *pop,
  44         size_t pe_offset, struct list_head *user_head,
  45         PMEMoid *oidp);
  46
  47 int list_remove(PMEMobjpool *pop,
  48         ssize_t pe_offset, struct list_head *head,
  49         PMEMoid oid);
  50
  51 int list_move(PMEMobjpool *pop,
  52         size_t pe_offset_old, struct list_head *head_old,
  53         size_t pe_offset_new, struct list_head *head_new,
  54         PMEMoid dest, int before, PMEMoid oid);
  55
  56 void list_move_oob(PMEMobjpool *pop,
  57         struct list_head *head_old, struct list_head *head_new,
  58         PMEMoid oid);
  59
  60 #ifdef __cplusplus
  61 }
  62 #endif
  63
  64 #endif