From ed90b9d415763e22323f11755b63d32141842fb1 Mon Sep 17 00:00:00 2001 From: weety Date: Sun, 5 Nov 2017 22:36:46 +0800 Subject: [PATCH] [RTSERVICE] Add rt_list_for_each_entry_safe macros definition. --- include/rtservice.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/rtservice.h b/include/rtservice.h index 2c6682076d..2bf1fbe1d6 100644 --- a/include/rtservice.h +++ b/include/rtservice.h @@ -141,6 +141,19 @@ rt_inline unsigned int rt_list_len(const rt_list_t *l) &pos->member != (head); \ pos = rt_list_entry(pos->member.next, typeof(*pos), member)) +/** + * rt_list_for_each_entry_safe - iterate over list of given type safe against removal of list entry + * @pos: the type * to use as a loop cursor. + * @n: another type * to use as temporary storage + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define rt_list_for_each_entry_safe(pos, n, head, member) \ + for (pos = rt_list_entry((head)->next, typeof(*pos), member), \ + n = rt_list_entry(pos->member.next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = n, n = rt_list_entry(n->member.next, typeof(*n), member)) + /** * rt_list_first_entry - get the first element from a list * @ptr: the list head to take the element from. -- GitLab