timerimpl.h

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/*
 * COPYRIGHT (c) 1989-2011.
 * On-Line Applications Research Corporation (OAR).
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_RTEMS_TIMER_INL
#define _RTEMS_RTEMS_TIMER_INL

#include <rtems/rtems/timer.h>
#include <rtems/score/objectimpl.h>
#include <rtems/score/thread.h>
#include <rtems/score/watchdogimpl.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifndef RTEMS_TIMER_EXTERN
#define RTEMS_TIMER_EXTERN extern
#endif

typedef struct Timer_server_Control Timer_server_Control;

typedef void (*Timer_server_Method)(
  Timer_server_Control *timer_server,
  Timer_Control        *timer
);

typedef struct {
  Watchdog_Control System_watchdog;

  Watchdog_Interval system_watchdog_delta;

  Thread_Control *system_watchdog_helper;

  uint32_t generation;

  Watchdog_Header Header;

  Watchdog_Interval last_snapshot;

  Watchdog_Interval current_snapshot;
} Timer_server_Watchdogs;

struct Timer_server_Control {
  Timer_server_Method cancel;

  Timer_server_Method schedule_operation;

  Timer_server_Watchdogs Interval_watchdogs;

  Timer_server_Watchdogs TOD_watchdogs;
};

RTEMS_TIMER_EXTERN Timer_server_Control *volatile _Timer_server;

RTEMS_TIMER_EXTERN Objects_Information  _Timer_Information;

void _Timer_Manager_initialization(void);

RTEMS_INLINE_ROUTINE Timer_Control *_Timer_Allocate( void )
{
  return (Timer_Control *) _Objects_Allocate( &_Timer_Information );
}

RTEMS_INLINE_ROUTINE void _Timer_Free (
  Timer_Control *the_timer
)
{
  _Objects_Free( &_Timer_Information, &the_timer->Object );
}

RTEMS_INLINE_ROUTINE Timer_Control *_Timer_Get (
  Objects_Id         id,
  Objects_Locations *location
)
{
  return (Timer_Control *)
    _Objects_Get( &_Timer_Information, id, location );
}

RTEMS_INLINE_ROUTINE bool _Timer_Is_interval_class (
  Timer_Classes the_class
)
{
  return (the_class == TIMER_INTERVAL) || (the_class == TIMER_INTERVAL_ON_TASK);
}

RTEMS_INLINE_ROUTINE bool _Timer_Is_timer_of_day_class (
  Timer_Classes the_class
)
{
  return ( the_class == TIMER_TIME_OF_DAY );
}

RTEMS_INLINE_ROUTINE bool _Timer_Is_dormant_class (
  Timer_Classes the_class
)
{
  return ( the_class == TIMER_DORMANT );
}

void _Timer_Cancel( Timer_Control *the_timer );

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */