timeout.h

   1 /*
   2  *   This program is free software; you can redistribute it and/or modify
   3  *   it under the terms of the GNU General Public License as published by
   4  *   the Free Software Foundation; either version 2 of the License.
   5  *
   6  *   This program is distributed in the hope that it will be useful,
   7  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  *   GNU General Public License for more details.
  10  *
  11  *   You should have received a copy of the GNU General Public License
  12  *   along with this program; if not, write to the Free Software
  13  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  14  *
  15  *   Copyright (C) 2020 embedd.ch
  16  *   Copyright (C) 2020 Felix Fietkau <nbd@nbd.name>
  17  *   Copyright (C) 2020 John Crispin <john@phrozen.org>
  18  */
  19
  20 #ifndef __APMGR_TIMEOUT_H
  21 #define __APMGR_TIMEOUT_H
  22
  23 #include <libubox/avl.h>
  24 #include <libubox/uloop.h>
  25
  26 struct usteer_timeout {
  27         struct avl_node node;
  28 };
  29
  30 struct usteer_timeout_queue {
  31         struct avl_tree tree;
  32         struct uloop_timeout timeout;
  33         void (*cb)(struct usteer_timeout_queue *q, struct usteer_timeout *t);
  34 };
  35
  36 static inline bool
  37 usteer_timeout_isset(struct usteer_timeout *t)
  38 {
  39         return t->node.list.prev != NULL;
  40 }
  41
  42 void usteer_timeout_init(struct usteer_timeout_queue *q);
  43 void usteer_timeout_set(struct usteer_timeout_queue *q, struct usteer_timeout *t,
  44                        int msecs);
  45 void usteer_timeout_cancel(struct usteer_timeout_queue *q,
  46                           struct usteer_timeout *t);
  47 void usteer_timeout_flush(struct usteer_timeout_queue *q);
  48
  49 #endif