src/dlink.h

   1 /*
   2  * Copyright (C) 1996-2020 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_DLINK_H
  10 #define SQUID_DLINK_H
  11
  12 #include "mem/forward.h"
  13
  14 class dlink_node
  15 {
  16     MEMPROXY_CLASS(dlink_node);
  17 public:
  18     void *data = nullptr;
  19     dlink_node *prev = nullptr;
  20     dlink_node *next = nullptr;
  21 };
  22
  23 class dlink_list
  24 {
  25 public:
  26     dlink_node *head = nullptr;
  27     dlink_node *tail = nullptr;
  28 };
  29
  30 extern dlink_list ClientActiveRequests;
  31
  32 void dlinkAdd(void *data, dlink_node *, dlink_list *);
  33 void dlinkAddAfter(void *, dlink_node *, dlink_node *, dlink_list *);
  34 void dlinkAddTail(void *data, dlink_node *, dlink_list *);
  35 void dlinkDelete(dlink_node * m, dlink_list * list);
  36
  37 #endif /* SQUID_DLINK_H */
  38