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/**
* @file
*
* @ingroup ScoreSysState
*
* @brief System State Handler API
*/
/*
* 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_SCORE_SYSSTATE_H
#define _RTEMS_SCORE_SYSSTATE_H
#include <rtems/score/basedefs.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup ScoreSysState System State Handler
*
* @ingroup Score
*
* @brief Management of the internal system state of RTEMS.
*/
/**@{**/
/**
* @brief System states.
*/
typedef enum {
/**
* @brief The system is before the end of the first phase of initialization.
*/
SYSTEM_STATE_BEFORE_INITIALIZATION,
/**
* @brief The system is between end of the first phase of initialization but
* before multitasking is started.
*/
SYSTEM_STATE_BEFORE_MULTITASKING,
/**
* @brief The system is up and operating normally.
*/
SYSTEM_STATE_UP,
/**
* @brief The system reached its terminal state.
*/
SYSTEM_STATE_TERMINATED
} System_state_Codes;
#define SYSTEM_STATE_CODES_FIRST SYSTEM_STATE_BEFORE_INITIALIZATION
#define SYSTEM_STATE_CODES_LAST SYSTEM_STATE_TERMINATED
#if defined(RTEMS_MULTIPROCESSING)
SCORE_EXTERN bool _System_state_Is_multiprocessing;
#endif
extern System_state_Codes _System_state_Current;
RTEMS_INLINE_ROUTINE void _System_state_Set (
System_state_Codes state
)
{
_System_state_Current = state;
}
RTEMS_INLINE_ROUTINE void _System_state_Handler_initialization (
#if defined(RTEMS_MULTIPROCESSING)
bool is_multiprocessing
#else
bool is_multiprocessing __attribute__((unused))
#endif
)
{
_System_state_Set( SYSTEM_STATE_BEFORE_INITIALIZATION );
#if defined(RTEMS_MULTIPROCESSING)
_System_state_Is_multiprocessing = is_multiprocessing;
#endif
}
RTEMS_INLINE_ROUTINE System_state_Codes _System_state_Get ( void )
{
return _System_state_Current;
}
RTEMS_INLINE_ROUTINE bool _System_state_Is_before_initialization (
System_state_Codes state
)
{
return (state == SYSTEM_STATE_BEFORE_INITIALIZATION);
}
RTEMS_INLINE_ROUTINE bool _System_state_Is_before_multitasking (
System_state_Codes state
)
{
return (state == SYSTEM_STATE_BEFORE_MULTITASKING);
}
RTEMS_INLINE_ROUTINE bool _System_state_Is_up (
System_state_Codes state
)
{
return (state == SYSTEM_STATE_UP);
}
RTEMS_INLINE_ROUTINE bool _System_state_Is_terminated (
System_state_Codes state
)
{
return (state == SYSTEM_STATE_TERMINATED);
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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