serv.c

   1 /* copyleft (C) GPL3 {{{2
   2  * Filename:    serv.c
   3  *
   4  * Author:      arrow <arrow_zhang@sdc.sercomm.com>
   5  * Created at:  Mon 20 Aug 2007 07:05:37 PM CST
   6  * }}}*/
   7 /*header files  {{{1*/
   8 #include <linux/kernel.h>
   9 #include <linux/module.h>
  10 #include <linux/list.h>
  11 #include <linux/timer.h>
  12 #include "common.h"
  13 /*}}}*/
  14
  15 /*declaration           {{{1*/
  16 LIST_HEAD(list);
  17 struct timer_list timer;
  18 /*}}}*/
  19
  20 /*functions             {{{1*/
  21 void loop(unsigned long data)
  22 {
  23         struct arrow_t *tp;
  24
  25         timer.expires = jiffies + HZ;
  26         timer.data = ++ data;
  27         sbup("looping data = %ld\n", data);
  28         list_for_each_entry(tp, &list, list) {
  29                 sbup("List name:%s\n", tp->name);
  30                 tp->fun(data);
  31         }
  32         add_timer(&timer);
  33 }
  34
  35 int __init init_serv(void)
  36 {
  37         init_timer(&timer);
  38         timer.expires = jiffies + HZ;
  39         timer.function = loop;
  40         add_timer(&timer);
  41         return 0;
  42 }
  43
  44 void __exit exit_serv(void)
  45 {
  46         del_timer(&timer);
  47 }
  48
  49 int test_register(struct arrow_t *new)
  50 {
  51         list_add(&new->list, &list);
  52         return 0;
  53 }
  54 EXPORT_SYMBOL(test_register);
  55
  56 int test_unregister(struct arrow_t *del)
  57 {
  58         list_del(&del->list);
  59         return 0;
  60 }
  61 EXPORT_SYMBOL(test_unregister);
  62
  63 module_init(init_serv);
  64 module_exit(exit_serv);
  65
  66 /* vim:fdm=marker:ts=8:ft=c:norl:fdl=1:
  67  * }}}*/
  68