[ltt-dev] [PATCH userspace-rcu] Add a cds_list_del_init()

[ltt-dev] [PATCH userspace-rcu] Add a cds_list_del_init()

[Paul E. McKenney]

Needed by some perfbook example code.

Signed-off-by: Paul E. McKenney <paulmck at linux.vnet.ibm.com>

diff --git a/urcu/list.h b/urcu/list.h
index db7685f..ab7a470 100644
--- a/urcu/list.h
+++ b/urcu/list.h
@@ -80,6 +80,14 @@ cds_list_del (struct cds_list_head *elem)
   __cds_list_del (elem->prev, elem->next);
 }
 
+/* Remove element from list, initializing the element's list pointers. */
+static inline void
+cds_list_del_init (struct cds_list_head *elem)
+{
+	cds_list_del(elem);
+	CDS_INIT_LIST_HEAD(elem);
+}
+
 /* delete from list, add to another list as head */
 static inline void
 cds_list_move (struct cds_list_head *elem, struct cds_list_head *head)

[ltt-dev] [PATCH userspace-rcu] Add a cds_list_del_init()

[Mathieu Desnoyers]

* Paul E. McKenney (paulmck at linux.vnet.ibm.com) wrote:
> Needed by some perfbook example code.
> 
> Signed-off-by: Paul E. McKenney <paulmck at linux.vnet.ibm.com>

Merged, thanks!

Mathieu

> 
> diff --git a/urcu/list.h b/urcu/list.h
> index db7685f..ab7a470 100644
> --- a/urcu/list.h
> +++ b/urcu/list.h
> @@ -80,6 +80,14 @@ cds_list_del (struct cds_list_head *elem)
>    __cds_list_del (elem->prev, elem->next);
>  }
>  
> +/* Remove element from list, initializing the element's list pointers. */
> +static inline void
> +cds_list_del_init (struct cds_list_head *elem)
> +{
> +	cds_list_del(elem);
> +	CDS_INIT_LIST_HEAD(elem);
> +}
> +
>  /* delete from list, add to another list as head */
>  static inline void
>  cds_list_move (struct cds_list_head *elem, struct cds_list_head *head)
> 
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> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com