diff options
author | Patrick McHardy <kaber@trash.net> | 2011-01-14 14:12:37 +0100 |
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committer | Patrick McHardy <kaber@trash.net> | 2011-01-14 14:12:37 +0100 |
commit | 0134e89c7bcc9fde1da962c82a120691e185619f (patch) | |
tree | 3e03335cf001019a2687d161e956de4f73379984 /include/linux/timerqueue.h | |
parent | c7066f70d9610df0b9406cc635fc09e86136e714 (diff) | |
parent | 6faee60a4e82075853a437831768cc9e2e563e4e (diff) |
Merge branch 'master' of git://1984.lsi.us.es/net-next-2.6
Conflicts:
net/ipv4/route.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/linux/timerqueue.h')
-rw-r--r-- | include/linux/timerqueue.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h new file mode 100644 index 000000000000..d24aabaca474 --- /dev/null +++ b/include/linux/timerqueue.h @@ -0,0 +1,50 @@ +#ifndef _LINUX_TIMERQUEUE_H +#define _LINUX_TIMERQUEUE_H + +#include <linux/rbtree.h> +#include <linux/ktime.h> + + +struct timerqueue_node { + struct rb_node node; + ktime_t expires; +}; + +struct timerqueue_head { + struct rb_root head; + struct timerqueue_node *next; +}; + + +extern void timerqueue_add(struct timerqueue_head *head, + struct timerqueue_node *node); +extern void timerqueue_del(struct timerqueue_head *head, + struct timerqueue_node *node); +extern struct timerqueue_node *timerqueue_iterate_next( + struct timerqueue_node *node); + +/** + * timerqueue_getnext - Returns the timer with the earlies expiration time + * + * @head: head of timerqueue + * + * Returns a pointer to the timer node that has the + * earliest expiration time. + */ +static inline +struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head) +{ + return head->next; +} + +static inline void timerqueue_init(struct timerqueue_node *node) +{ + RB_CLEAR_NODE(&node->node); +} + +static inline void timerqueue_init_head(struct timerqueue_head *head) +{ + head->head = RB_ROOT; + head->next = NULL; +} +#endif /* _LINUX_TIMERQUEUE_H */ |