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Sources/usteer/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
 50 

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