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 #include <stdbool.h>
  19
  20 #ifndef DISABLE_INIT
  21 void watchdog_init(int preinit);
  22 char* watchdog_fd(void);
  23 int watchdog_timeout(int timeout);
  24 int watchdog_frequency(int frequency);
  25 void watchdog_set_magicclose(bool val);
  26 bool watchdog_get_magicclose(void);
  27 void watchdog_set_stopped(bool val);
  28 bool watchdog_get_stopped(void);
  29 void watchdog_set_cloexec(bool val);
  30 void watchdog_ping(void);
  31 #else
  32 static inline void watchdog_init(int preinit)
  33 {
  34 }
  35
  36 static inline char* watchdog_fd(void)
  37 {
  38         return "";
  39 }
  40
  41 static inline int watchdog_timeout(int timeout)
  42 {
  43         return 0;
  44 }
  45
  46 static inline int watchdog_frequency(int frequency)
  47 {
  48         return 0;
  49 }
  50
  51 static inline void watchdog_set_magicclose(bool val)
  52 {
  53 }
  54
  55 static inline bool watchdog_get_magicclose(void)
  56 {
  57         return false;
  58 }
  59
  60 static inline void watchdog_set_stopped(bool val)
  61 {
  62 }
  63
  64 static inline bool watchdog_get_stopped(void)
  65 {
  66         return true;
  67 }
  68
  69 static inline void watchdog_set_cloexec(bool val)
  70 {
  71 }
  72
  73 static inline void watchdog_ping(void)
  74 {
  75 }
  76
  77 #endif
  78
  79 #endif