watchdog.h

   1 /*
   2  * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
   3  * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU Lesser General Public License version 2.1
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __PROCD_WATCHDOG_H
  16 #define __PROCD_WATCHDOG_H
  17
  18 #ifndef DISABLE_INIT
  19 void watchdog_init(int preinit);
  20 char* watchdog_fd(void);
  21 int watchdog_timeout(int timeout);
  22 int watchdog_frequency(int frequency);
  23 void watchdog_set_stopped(bool val);
  24 bool watchdog_get_stopped(void);
  25 void watchdog_set_cloexec(bool val);
  26 void watchdog_ping(void);
  27 #else
  28 static inline void watchdog_init(int preinit)
  29 {
  30 }
  31
  32 static inline char* watchdog_fd(void)
  33 {
  34         return "";
  35 }
  36
  37 static inline int watchdog_timeout(int timeout)
  38 {
  39         return 0;
  40 }
  41
  42 static inline int watchdog_frequency(int frequency)
  43 {
  44         return 0;
  45 }
  46
  47 static inline void watchdog_set_stopped(bool val)
  48 {
  49 }
  50
  51 static inline bool watchdog_get_stopped(void)
  52 {
  53         return true;
  54 }
  55
  56 static inline void watchdog_set_cloexec(bool val)
  57 {
  58 }
  59
  60 static inline void watchdog_ping(void)
  61 {
  62 }
  63
  64 #endif
  65
  66 #endif