From 5eb3bc6d5594fccfff26329a26225f999e971652 Mon Sep 17 00:00:00 2001 From: "/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org" Date: Mon, 16 Apr 2007 19:08:42 +0000 Subject: first step forward to merge conntrackd and conntrack into the same building chain --- include/slist.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 include/slist.h (limited to 'include/slist.h') diff --git a/include/slist.h b/include/slist.h new file mode 100644 index 0000000..ab7fa34 --- /dev/null +++ b/include/slist.h @@ -0,0 +1,41 @@ +#ifndef _SLIST_H_ +#define _SLIST_H_ + +#include "linux_list.h" + +#define INIT_SLIST_HEAD(ptr) ((ptr).next = NULL) + +struct slist_head { + struct slist_head *next; +}; + +static inline int slist_empty(const struct slist_head *h) +{ + return !h->next; +} + +static inline void slist_del(struct slist_head *t, struct slist_head *prev) +{ + prev->next = t->next; + t->next = LIST_POISON1; +} + +static inline void slist_add(struct slist_head *head, struct slist_head *t) +{ + struct slist_head *tmp = head->next; + head->next = t; + t->next = tmp; +} + +#define slist_entry(ptr, type, member) container_of(ptr,type,member) + +#define slist_for_each(pos, head) \ + for (pos = (head)->next; pos && ({ prefetch(pos.next); 1; }); \ + pos = pos->next) + +#define slist_for_each_safe(pos, prev, next, head) \ + for (pos = (head)->next, prev = (head); \ + pos && ({ next = pos->next; 1; }); \ + ({ prev = (prev->next != next) ? prev->next : prev; }), pos = next) + +#endif -- cgit v1.2.3