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/* sysstates.h
*
* This include file contains information regarding the system state.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __RTEMS_SYSTEM_STATE_h
#define __RTEMS_SYSTEM_STATE_h
#ifdef __cplusplus
extern "C" {
#endif
/* types */
/* enumerated constants */
/*
* The following type defines the possible system states.
*/
typedef enum {
SYSTEM_STATE_BEFORE_INITIALIZATION, /* start -> end of 1st init part */
SYSTEM_STATE_BEFORE_MULTITASKING, /* end of 1st -> beginning of 2nd */
SYSTEM_STATE_BEGIN_MULTITASKING, /* just before multitasking starts */
SYSTEM_STATE_UP, /* normal operation */
SYSTEM_STATE_FAILED /* fatal error occurred */
} System_state_Codes;
#define SYSTEM_STATE_CODES_FIRST SYSTEM_STATE_BEFORE_INITIALIZATION
#define SYSTEM_STATE_CODES_LAST SYSTEM_STATE_FAILED
/*
* The following variable indicates whether or not this is
* an multiprocessing system.
*/
EXTERN boolean _System_state_Is_multiprocessing;
/*
* The following variable contains the current system state.
*/
EXTERN System_state_Codes _System_state_Current;
/*
* _System_state_Handler_initialization
*
* DESCRIPTION:
*
* This routine initializes the system state handler.
*/
STATIC INLINE void _System_state_Handler_initialization (
boolean is_multiprocessing
);
/*
* _System_state_Set
*
* DESCRIPTION:
*
* This routine sets the current system state to that specified by
* the called.
*/
STATIC INLINE void _System_state_Set (
System_state_Codes state
);
/*
* _System_state_Get
*
* DESCRIPTION:
*
* This function returns the current system state.
*/
STATIC INLINE System_state_Codes _System_state_Get ( void );
/*
* _System_state_Is_before_initialization
*
* DESCRIPTION:
*
* This function returns TRUE if the state is equal to the
* "before initialization" state, and FALSE otherwise.
*/
STATIC INLINE boolean _System_state_Is_before_initialization (
System_state_Codes state
);
/*
* _System_state_Is_before_multitasking
*
* DESCRIPTION:
*
* This function returns TRUE if the state is equal to the
* "before multitasking" state, and FALSE otherwise.
*/
STATIC INLINE boolean _System_state_Is_before_multitasking (
System_state_Codes state
);
/*
* _System_state_Is_begin_multitasking
*
* DESCRIPTION:
*
* This function returns TRUE if the state is equal to the
* "begin multitasking" state, and FALSE otherwise.
*/
STATIC INLINE boolean _System_state_Is_begin_multitasking (
System_state_Codes state
);
/*
* _System_state_Is_up
*
* DESCRIPTION:
*
* This function returns TRUE if the state is equal to the
* "up" state, and FALSE otherwise.
*/
STATIC INLINE boolean _System_state_Is_up (
System_state_Codes state
);
/*
* _System_state_Is_failed
*
* DESCRIPTION:
*
* This function returns TRUE if the state is equal to the
* "failed" state, and FALSE otherwise.
*/
STATIC INLINE boolean _System_state_Is_failed (
System_state_Codes state
);
#include <rtems/score/sysstate.inl>
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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