kern/include/devalarm.h

   1 /* Copyright (c) 2013 The Regents of the University of California
   2  * Barret Rhoden <brho@cs.berkeley.edu>
   3  * See LICENSE for details.
   4  *
   5  * Alarm device includes (needed for the linkage to struct proc) */
   6
   7 #ifndef ROS_KERN_DEVALARM_H
   8 #define ROS_KERN_DEVALARM_H
   9
  10 #include <sys/queue.h>
  11 #include <kref.h>
  12 #include <alarm.h>
  13 #include <event.h>
  14 #include <atomic.h>
  15
  16 struct proc_alarm {
  17         TAILQ_ENTRY(proc_alarm)         link;
  18         int                                                     id;
  19         struct kref                                     kref;
  20         struct alarm_waiter                     a_waiter;
  21         struct proc                                     *proc;
  22         struct event_queue                      *ev_q;
  23 };
  24 TAILQ_HEAD(proc_alarm_list, proc_alarm);
  25
  26 struct proc_alarm_set {
  27         struct proc_alarm_list          list;
  28         spinlock_t                                      lock;
  29         struct timer_chain                      *tchain;
  30         int                                                     id_counter;
  31 };
  32
  33 void devalarm_init(struct proc *p);
  34
  35 #endif /* ROS_KERN_DEVALARM_H */