watchdog.h

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#ifndef WATCHDOG_H
#define WATCHDOG_H 1
 
#include "lf_types.h"
#include "environment.h"
#include "platform.h" // For lf_thread_t.
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef void (*watchdog_function_t)(void*);
 
typedef struct watchdog_t {
  struct self_base_t* base;              // The reactor that contains the watchdog.
  trigger_t* trigger;                    // The trigger associated with this watchdog.
  instant_t expiration;                  // The expiration instant for the watchdog. (Initialized to NEVER)
  interval_t min_expiration;             // The minimum expiration interval for the watchdog.
  lf_thread_t thread_id;                 // The thread that the watchdog is meant to run on.
  lf_cond_t cond;                        // Condition variable used for sleeping and termination.
  bool active;                           // Boolean indicating whether or not thread is active.
  bool terminate;                        // Boolean indicating whether termination of the thread has been requested.
  watchdog_function_t watchdog_function; // The function/handler for the watchdog.
} watchdog_t;
 
void lf_watchdog_start(watchdog_t* watchdog, interval_t additional_timeout);
 
void lf_watchdog_stop(watchdog_t* watchdog);
 
// The following functions are internal to the runtime and should not be documented by Doxygen.
 
void _lf_initialize_watchdogs(environment_t* env);
 
void _lf_watchdog_terminate_all(environment_t* env);
 
 
#ifdef __cplusplus
}
#endif
 
#endif