first step forward to merge conntrackd and conntrack into the same building chain

1 files changed, 41 insertions, 0 deletions

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