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wfstack: implement mutex-free wfstack with transparent union
[urcu.git]
/
urcu
/
static
/
wfstack.h
diff --git
a/urcu/static/wfstack.h
b/urcu/static/wfstack.h
index db0d5b8b1abda178f7cf0e14a0530d5bae43f8aa..eb12f377d1e1d974c43b2705bd6eab73d5634550 100644
(file)
--- a/
urcu/static/wfstack.h
+++ b/
urcu/static/wfstack.h
@@
-76,6
+76,14
@@
void _cds_wfs_node_init(struct cds_wfs_node *node)
node->next = NULL;
}
node->next = NULL;
}
+/*
+ * __cds_wfs_init: initialize wait-free stack.
+ */
+static inline void ___cds_wfs_init(struct __cds_wfs_stack *s)
+{
+ s->head = CDS_WFS_END;
+}
+
/*
* cds_wfs_init: initialize wait-free stack.
*/
/*
* cds_wfs_init: initialize wait-free stack.
*/
@@
-99,8
+107,10
@@
static inline bool ___cds_wfs_end(void *node)
*
* No memory barrier is issued. No mutual exclusion is required.
*/
*
* No memory barrier is issued. No mutual exclusion is required.
*/
-static inline bool _cds_wfs_empty(
struct cds_wfs_stack *s
)
+static inline bool _cds_wfs_empty(
cds_wfs_stack_ptr_t u_stack
)
{
{
+ struct __cds_wfs_stack *s = u_stack._s;
+
return ___cds_wfs_end(CMM_LOAD_SHARED(s->head));
}
return ___cds_wfs_end(CMM_LOAD_SHARED(s->head));
}
@@
-114,8
+124,9
@@
static inline bool _cds_wfs_empty(struct cds_wfs_stack *s)
* Returns non-zero otherwise.
*/
static inline
* Returns non-zero otherwise.
*/
static inline
-int _cds_wfs_push(
struct cds_wfs_stack *s
, struct cds_wfs_node *node)
+int _cds_wfs_push(
cds_wfs_stack_ptr_t u_stack
, struct cds_wfs_node *node)
{
{
+ struct __cds_wfs_stack *s = u_stack._s;
struct cds_wfs_head *old_head, *new_head;
assert(node->next == NULL);
struct cds_wfs_head *old_head, *new_head;
assert(node->next == NULL);
@@
-269,8
+280,9
@@
___cds_wfs_pop_nonblocking(struct cds_wfs_stack *s)
*/
static inline
struct cds_wfs_head *
*/
static inline
struct cds_wfs_head *
-___cds_wfs_pop_all(
struct cds_wfs_stack *s
)
+___cds_wfs_pop_all(
cds_wfs_stack_ptr_t u_stack
)
{
{
+ struct __cds_wfs_stack *s = u_stack._s;
struct cds_wfs_head *head;
/*
struct cds_wfs_head *head;
/*
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