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/* apiext.h
*
* XXX
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#ifndef __API_EXTENSIONS_h
#define __API_EXTENSIONS_h
#include <rtems/score/chain.h>
#include <rtems/score/thread.h>
/*
* The control structure which defines the points at which an API
* can add an extension to the system initialization thread.
*/
typedef void (*API_extensions_Predriver_hook)(void);
typedef void (*API_extensions_Postdriver_hook)(void);
typedef void (*API_extensions_Postswitch_hook)(
Thread_Control *
);
typedef struct {
Chain_Node Node;
API_extensions_Predriver_hook predriver_hook;
API_extensions_Postdriver_hook postdriver_hook;
API_extensions_Postswitch_hook postswitch_hook;
} API_extensions_Control;
/*
* This is the list of API extensions to the system initialization.
*/
SCORE_EXTERN Chain_Control _API_extensions_List;
/*
* _API_extensions_Initialization
*
* DESCRIPTION:
*
* This routine initializes the API extension handler.
*
*/
void _API_extensions_Initialization( void );
/*
* _API_extensions_Add
*
* DESCRIPTION:
*
* XXX
*/
void _API_extensions_Add(
API_extensions_Control *the_extension
);
/*
* _API_extensions_Run_predriver
*
* DESCRIPTION:
*
* XXX
*/
void _API_extensions_Run_predriver( void );
/*
* _API_extensions_Run_postdriver
*
* DESCRIPTION:
*
* XXX
*/
void _API_extensions_Run_postdriver( void );
/*
* _API_extensions_Run_postswitch
*
* DESCRIPTION:
*
* XXX
*/
void _API_extensions_Run_postswitch( void );
#endif
/* end of include file */
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