wfstack.c

   1 /*
   2  * wfstack.c
   3  *
   4  * Userspace RCU library - Stack with wait-free push, blocking traversal.
   5  *
   6  * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
  24 #include "urcu/wfstack.h"
  25 #include "urcu/static/wfstack.h"
  26
  27 /*
  28  * library wrappers to be used by non-LGPL compatible source code.
  29  */
  30
  31 void cds_wfs_node_init(struct cds_wfs_node *node)
  32 {
  33         _cds_wfs_node_init(node);
  34 }
  35
  36 void cds_wfs_init(struct cds_wfs_stack *s)
  37 {
  38         _cds_wfs_init(s);
  39 }
  40
  41 bool cds_wfs_empty(struct cds_wfs_stack *s)
  42 {
  43         return _cds_wfs_empty(s);
  44 }
  45
  46 int cds_wfs_push(struct cds_wfs_stack *s, struct cds_wfs_node *node)
  47 {
  48         return _cds_wfs_push(s, node);
  49 }
  50
  51 struct cds_wfs_node *cds_wfs_pop_blocking(struct cds_wfs_stack *s)
  52 {
  53         return _cds_wfs_pop_blocking(s);
  54 }
  55
  56 struct cds_wfs_head *cds_wfs_pop_all_blocking(struct cds_wfs_stack *s)
  57 {
  58         return _cds_wfs_pop_all_blocking(s);
  59 }
  60
  61 struct cds_wfs_node *cds_wfs_first_blocking(struct cds_wfs_head *head)
  62 {
  63         return _cds_wfs_first_blocking(head);
  64 }
  65
  66 struct cds_wfs_node *cds_wfs_next_blocking(struct cds_wfs_node *node)
  67 {
  68         return _cds_wfs_next_blocking(node);
  69 }
  70
  71 void cds_wfs_pop_lock(struct cds_wfs_stack *s)
  72 {
  73         _cds_wfs_pop_lock(s);
  74 }
  75
  76 void cds_wfs_pop_unlock(struct cds_wfs_stack *s)
  77 {
  78         _cds_wfs_pop_unlock(s);
  79 }
  80
  81 struct cds_wfs_node *__cds_wfs_pop_blocking(struct cds_wfs_stack *s)
  82 {
  83         return ___cds_wfs_pop_blocking(s);
  84 }
  85
  86 struct cds_wfs_head *__cds_wfs_pop_all(struct cds_wfs_stack *s)
  87 {
  88         return ___cds_wfs_pop_all(s);
  89 }