*
* Author: Jan Blunck <jblunck@suse.de>
*
- * Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2010-2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 2.1 as
#include <stddef.h>
-struct cds_hlist_head
-{
+struct cds_hlist_head {
struct cds_hlist_node *next;
};
-struct cds_hlist_node
-{
- struct cds_hlist_node *next;
- struct cds_hlist_node *prev;
+struct cds_hlist_node {
+ struct cds_hlist_node *next, *prev;
};
-/* Initialize a new list head. */
-static inline void CDS_INIT_HLIST_HEAD(struct cds_hlist_head *ptr)
+/* Initialize a new list head. */
+static inline
+void CDS_INIT_HLIST_HEAD(struct cds_hlist_head *ptr)
{
ptr->next = NULL;
}
-/* Get typed element from list at a given position. */
-#define cds_hlist_entry(ptr, type, member) \
+/* Get typed element from list at a given position. */
+#define cds_hlist_entry(ptr, type, member) \
((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member)))
-/* Add new element at the head of the list. */
-static inline void cds_hlist_add_head (struct cds_hlist_node *newp,
- struct cds_hlist_head *head)
+/* Add new element at the head of the list. */
+static inline
+void cds_hlist_add_head(struct cds_hlist_node *newp,
+ struct cds_hlist_head *head)
{
if (head->next)
head->next->prev = newp;
-
newp->next = head->next;
- newp->prev = (struct cds_hlist_node *)head;
+ newp->prev = (struct cds_hlist_node *) head;
head->next = newp;
}
-/* Remove element from list. */
-static inline void cds_hlist_del (struct cds_hlist_node *elem)
+/* Remove element from list. */
+static inline
+void cds_hlist_del(struct cds_hlist_node *elem)
{
if (elem->next)
elem->next->prev = elem->prev;
-
elem->prev->next = elem->next;
}
-#define cds_hlist_for_each_entry(entry, pos, head, member) \
- for (pos = (head)->next, \
- entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
- pos != NULL; \
- pos = pos->next, \
- entry = cds_hlist_entry(pos, __typeof__(*entry), member))
+#define cds_hlist_for_each_entry(entry, pos, head, member) \
+ for (pos = (head)->next, \
+ entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
+ pos != NULL; \
+ pos = pos->next, \
+ entry = cds_hlist_entry(pos, __typeof__(*entry), member))
-#define cds_hlist_for_each_entry_safe(entry, pos, p, head, member) \
- for (pos = (head)->next, \
- entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
- (pos != NULL) && ({ p = pos->next; 1;}); \
- pos = p, \
- entry = cds_hlist_entry(pos, __typeof__(*entry), member))
+#define cds_hlist_for_each_entry_safe(entry, pos, p, head, member) \
+ for (pos = (head)->next, \
+ entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
+ (pos != NULL) && ({ p = pos->next; 1;}); \
+ pos = p, \
+ entry = cds_hlist_entry(pos, __typeof__(*entry), member))
#endif /* _KCOMPAT_HLIST_H */
#include <urcu/arch.h>
#include <urcu-pointer.h>
-/* Add new element at the head of the list.
- */
-static inline void cds_hlist_add_head_rcu(struct cds_hlist_node *newp,
- struct cds_hlist_head *head)
+/* Add new element at the head of the list. */
+static inline
+void cds_hlist_add_head_rcu(struct cds_hlist_node *newp,
+ struct cds_hlist_head *head)
{
newp->next = head->next;
newp->prev = (struct cds_hlist_node *)head;
}
/* Remove element from list. */
-static inline void cds_hlist_del_rcu(struct cds_hlist_node *elem)
+static inline
+void cds_hlist_del_rcu(struct cds_hlist_node *elem)
{
if (elem->next)
elem->next->prev = elem->prev;
elem->prev->next = elem->next;
}
-
-/* Iterate through elements of the list.
+/*
+ * Iterate through elements of the list.
* This must be done while rcu_read_lock() is held.
*/
-
-#define cds_hlist_for_each_entry_rcu(entry, pos, head, member) \
- for (pos = rcu_dereference((head)->next), \
- entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
- pos != NULL; \
- pos = rcu_dereference(pos->next), \
- entry = cds_hlist_entry(pos, __typeof__(*entry), member))
+#define cds_hlist_for_each_entry_rcu(entry, pos, head, member) \
+ for (pos = rcu_dereference((head)->next), \
+ entry = cds_hlist_entry(pos, __typeof__(*entry), member); \
+ pos != NULL; \
+ pos = rcu_dereference(pos->next), \
+ entry = cds_hlist_entry(pos, __typeof__(*entry), member))
#endif /* _URCU_RCUHLIST_H */