wfstack.c

   1 /*
   2  * wfstack.c
   3  *
   4  * Userspace RCU library - Stack with wait-free push, blocking traversal.
   5  *
   6  * Copyright 2010-2012 - 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_node *
  57         cds_wfs_pop_with_state_blocking(struct cds_wfs_stack *s, int *state)
  58 {
  59         return _cds_wfs_pop_with_state_blocking(s, state);
  60 }
  61
  62 struct cds_wfs_head *cds_wfs_pop_all_blocking(struct cds_wfs_stack *s)
  63 {
  64         return _cds_wfs_pop_all_blocking(s);
  65 }
  66
  67 struct cds_wfs_node *cds_wfs_first(struct cds_wfs_head *head)
  68 {
  69         return _cds_wfs_first(head);
  70 }
  71
  72 struct cds_wfs_node *cds_wfs_next_blocking(struct cds_wfs_node *node)
  73 {
  74         return _cds_wfs_next_blocking(node);
  75 }
  76
  77 struct cds_wfs_node *cds_wfs_next_nonblocking(struct cds_wfs_node *node)
  78 {
  79         return _cds_wfs_next_nonblocking(node);
  80 }
  81
  82 void cds_wfs_pop_lock(struct cds_wfs_stack *s)
  83 {
  84         _cds_wfs_pop_lock(s);
  85 }
  86
  87 void cds_wfs_pop_unlock(struct cds_wfs_stack *s)
  88 {
  89         _cds_wfs_pop_unlock(s);
  90 }
  91
  92 struct cds_wfs_node *__cds_wfs_pop_blocking(struct cds_wfs_stack *s)
  93 {
  94         return ___cds_wfs_pop_blocking(s);
  95 }
  96
  97 struct cds_wfs_node *
  98         __cds_wfs_pop_with_state_blocking(struct cds_wfs_stack *s, int *state)
  99 {
 100         return ___cds_wfs_pop_with_state_blocking(s, state);
 101 }
 102
 103 struct cds_wfs_node *__cds_wfs_pop_nonblocking(struct cds_wfs_stack *s)
 104 {
 105         return ___cds_wfs_pop_nonblocking(s);
 106 }
 107
 108 struct cds_wfs_node *
 109         __cds_wfs_pop_with_state_nonblocking(struct cds_wfs_stack *s,
 110                 int *state)
 111 {
 112         return ___cds_wfs_pop_with_state_nonblocking(s, state);
 113 }
 114
 115 struct cds_wfs_head *__cds_wfs_pop_all(struct cds_wfs_stack *s)
 116 {
 117         return ___cds_wfs_pop_all(s);
 118 }