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_magicclose(bool val);
  24 bool watchdog_get_magicclose(void);
  25 void watchdog_set_stopped(bool val);
  26 bool watchdog_get_stopped(void);
  27 void watchdog_no_cloexec(void);
  28 void watchdog_ping(void);
  29 #else
  30 static inline void watchdog_init(int preinit)
  31 {
  32 }
  33
  34 static inline char* watchdog_fd(void)
  35 {
  36         return "";
  37 }
  38
  39 static inline int watchdog_timeout(int timeout)
  40 {
  41         return 0;
  42 }
  43
  44 static inline int watchdog_frequency(int frequency)
  45 {
  46         return 0;
  47 }
  48
  49 static inline void watchdog_set_magicclose(bool val)
  50 {
  51 }
  52
  53 static inline void watchdog_get_magicclose(bool val)
  54 {
  55 }
  56
  57 static inline void watchdog_set_stopped(bool val)
  58 {
  59 }
  60
  61 static inline bool watchdog_get_stopped(void)
  62 {
  63         return true;
  64 }
  65
  66 static inline void watchdog_no_cloexec(void)
  67 {
  68 }
  69
  70 static inline void watchdog_ping(void)
  71 {
  72 }
  73
  74 #endif
  75
  76 #endif