projects
/
urcu.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Add cds_list_empty
[urcu.git]
/
urcu
/
list.h
diff --git
a/urcu/list.h
b/urcu/list.h
index 7d2a9a11e39b12d061e6a68b90b6918f307af17a..bb50128e56e4de7d57df313672f012d9077f3573 100644
(file)
--- a/
urcu/list.h
+++ b/
urcu/list.h
@@
-37,7
+37,6
@@
struct cds_list_head
struct cds_list_head *prev;
};
struct cds_list_head *prev;
};
-
/* Define a variable with the head and tail of the list. */
#define CDS_LIST_HEAD(name) \
struct cds_list_head name = { &(name), &(name) }
/* Define a variable with the head and tail of the list. */
#define CDS_LIST_HEAD(name) \
struct cds_list_head name = { &(name), &(name) }
@@
-126,12
+125,22
@@
cds_list_splice (struct cds_list_head *add, struct cds_list_head *head)
}
}
}
}
+/* Returns 1 if list is empty, 0 otherwise */
+static inline
+int cds_list_empty(struct cds_list_head *head)
+{
+ return head->next == head->prev;
+}
/* Get typed element from list at a given position. */
#define cds_list_entry(ptr, type, member) \
((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member)))
/* Get typed element from list at a given position. */
#define cds_list_entry(ptr, type, member) \
((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member)))
+/* Get first entry from a list. */
+#define cds_list_first_entry(head, type, member) \
+ cds_list_entry((head)->next, type, member)
+
/* Iterate forward over the elements of the list. */
#define cds_list_for_each(pos, head) \
/* Iterate forward over the elements of the list. */
#define cds_list_for_each(pos, head) \
This page took
0.034732 seconds
and
4
git commands to generate.