Tailq_remove
Web最近看代码的时候看到了许多地方使用TailQ这个数据结构来组织数据,在过往的项目中一般都是直接使用的list这个链表的。 稍微看了 一下代码的实现, 其实就是一个双向链表的实现,抽象出链表头保存头尾元素,然后链表的关系结构存放在具体节点的filed域,提供一些常用宏的封装而已。 Web宏STAILQ_REMOVE_HEAD删除尾部队列开头的元素。 为了获得最佳效率,从尾部队列的开头移除的元素应显式使用此宏,而不是一般的Fa STAILQ_REMOVE宏。 宏STAILQ_REMOVE从尾部队列中删除元素Fa elm。 Singly-linked tail queue example STAILQ_HEAD (stailhead, entry) head = STAILQ_HEAD_INITIALIZER (head); struct stailhead *headp; /* Singly-linked …
Tailq_remove
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Web在一种情况下,我们在循环中使用 TAILQ_FIRST 和 TAILQ_REMOVE,如下所示: while (!TAILQ_EMPTY (& queue )) { item* entry = TAILQ_FIRST (& queue ); TAILQ_REMOVE (& queue, entry, next); free (entry); } Coverity 对此提示很多,说我在双重释放。 然而,看看 TAILQ_REMOVE,这可能是正确的: ( /usr/include/x86_64-linux-gnu/sys/queue.h 在我的 … Webマクロ定義において type はユーザ定義構造体の名前であり、 list_entry, tailq_entry, circleq_entry の何れか型のフィールドと 指定された name を含まなければならない。 引き数 headname はユーザ定義構造体の名前であり、 マクロ list_head, tailq_head, circleq_head を用いて宣言されなければならない。
WebThe macro TAILQ_REMOVE() removes the element elm from the tail queue. The macro TAILQ_EMPTY() return true if the tail queue head has no elements. The macro … Web27 Jul 2024 · STAILQ_REMOVE_HEAD - man pages section 9: DDI and DKI Kernel Functions oracle home man pages section 9: DDI and DKI Kernel Functions Documentation Home » Oracle Solaris 11.4 Reference Library » ... » DDI and DKI Kernel Functions » SLIST_HEAD Updated: Wednesday, July 27, 2024 man pages section 9: DDI and DKI Kernel Functions …
WebRemoval TAILQ_REMOVE() removes the element elm from the queue. Other features TAILQ_CONCAT() concatenates the queue headed by head2 onto the end of the one headed by head1 removing all entries from the former. RETURN VALUE TAILQ_EMPTY() returns nonzero if the queue is empty, and zero if the queue contains at least one entry. WebDPDK-dev Archive on lore.kernel.org help / color / mirror / Atom feed * [dpdk-dev] [PATCH 1/3] regex/mlx5: fix memory region unregistration @ 2024-06-28 19:23 Michael Baum 2024-06-28 19:23 ` [dpdk-dev] [PATCH 2/3] regex/mlx5: fix leak in PCI remove function Michael Baum ` (3 more replies) 0 siblings, 4 replies; 19+ messages in thread From: Michael Baum …
Web*dpdk-dev] [PATCH 01/10] ethdev: reuse header definition in flow pattern item ETH @ 2024-03-12 9:31 Ivan Malov 2024-03-12 9:31 ` [dpdk-dev] [PATCH 02/10] ethdev: reuse header definition in flow pattern item VLAN Ivan Malov ` (10 more replies) 0 siblings, 11 replies; 36+ messages in thread From: Ivan Malov @ 2024-03-12 9:31 UTC ...
WebDPDK-dev Archive on lore.kernel.org help / color / mirror / Atom feed * [dpdk-dev] [PATCH] compress/mlx5: fix memory region unregistration @ 2024-07-01 7:18 Michael Baum 2024-07-07 19:06 ` [dpdk-dev] [EXT]" Akhil Goyal 2024-07-12 7:19 ` [dpdk-dev] [PATCH v2]" Michael Baum 0 siblings, 2 replies; 6+ messages in thread From: Michael Baum @ 2024-07-01 7:18 … grand old fashioned from the edgar barWeb19 Jun 2024 · 如果我们想要删除队列的任意一个元素,对 FAKE_TAILQ ,我们需要特殊处理该元素是第一个元素的情况 (第一个元素的 tqe_prev 指针为空),而 TAILQ 就没有这个烦恼! TAILQ 队列的遍历性能 Linux 中的 list 只将 struct list_head 作为用户元素的挂接点,因此在正向遍历链表时,需要使用 container_of 这类接口才能获取用户的数据,而 TAILQ 由于 … grand old evils at the karman barWebTAILQ_FOREACH(item, &my_tailq_head, entries) {printf("%d ", item->value);} printf("\n"); /* * Delete the item with the value 3. * * We can't use TAILQ_FOREACH here as … grand old duke of york song words