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 void __cds_wfs_init(struct __cds_wfs_stack *s)
  42 {
  43         ___cds_wfs_init(s);
  44 }
  45
  46 bool cds_wfs_empty(cds_wfs_stack_ptr_t u_stack)
  47 {
  48         return _cds_wfs_empty(u_stack);
  49 }
  50
  51 int cds_wfs_push(cds_wfs_stack_ptr_t u_stack, struct cds_wfs_node *node)
  52 {
  53         return _cds_wfs_push(u_stack, node);
  54 }
  55
  56 struct cds_wfs_node *cds_wfs_pop_blocking(struct cds_wfs_stack *s)
  57 {
  58         return _cds_wfs_pop_blocking(s);
  59 }
  60
  61 struct cds_wfs_node *
  62         cds_wfs_pop_with_state_blocking(struct cds_wfs_stack *s, int *state)
  63 {
  64         return _cds_wfs_pop_with_state_blocking(s, state);
  65 }
  66
  67 struct cds_wfs_head *cds_wfs_pop_all_blocking(struct cds_wfs_stack *s)
  68 {
  69         return _cds_wfs_pop_all_blocking(s);
  70 }
  71
  72 struct cds_wfs_node *cds_wfs_first(struct cds_wfs_head *head)
  73 {
  74         return _cds_wfs_first(head);
  75 }
  76
  77 struct cds_wfs_node *cds_wfs_next_blocking(struct cds_wfs_node *node)
  78 {
  79         return _cds_wfs_next_blocking(node);
  80 }
  81
  82 struct cds_wfs_node *cds_wfs_next_nonblocking(struct cds_wfs_node *node)
  83 {
  84         return _cds_wfs_next_nonblocking(node);
  85 }
  86
  87 void cds_wfs_pop_lock(struct cds_wfs_stack *s)
  88 {
  89         _cds_wfs_pop_lock(s);
  90 }
  91
  92 void cds_wfs_pop_unlock(struct cds_wfs_stack *s)
  93 {
  94         _cds_wfs_pop_unlock(s);
  95 }
  96
  97 struct cds_wfs_node *__cds_wfs_pop_blocking(cds_wfs_stack_ptr_t u_stack)
  98 {
  99         return ___cds_wfs_pop_blocking(u_stack);
 100 }
 101
 102 struct cds_wfs_node *
 103         __cds_wfs_pop_with_state_blocking(cds_wfs_stack_ptr_t u_stack,
 104                 int *state)
 105 {
 106         return ___cds_wfs_pop_with_state_blocking(u_stack, state);
 107 }
 108
 109 struct cds_wfs_node *__cds_wfs_pop_nonblocking(cds_wfs_stack_ptr_t u_stack)
 110 {
 111         return ___cds_wfs_pop_nonblocking(u_stack);
 112 }
 113
 114 struct cds_wfs_node *
 115         __cds_wfs_pop_with_state_nonblocking(cds_wfs_stack_ptr_t u_stack,
 116                 int *state)
 117 {
 118         return ___cds_wfs_pop_with_state_nonblocking(u_stack, state);
 119 }
 120
 121 struct cds_wfs_head *__cds_wfs_pop_all(cds_wfs_stack_ptr_t u_stack)
 122 {
 123         return ___cds_wfs_pop_all(u_stack);
 124 }