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/* userext.h
*
* This include file contains all information about user extensions. This
* Handler provides mechanisms which can be used to initialize and manipulate
* all user extensions.
*
* 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 __USER_EXTENSIONS_h
#define __USER_EXTENSIONS_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/interr.h>
#include <rtems/score/chain.h>
#include <rtems/score/thread.h>
/*
* The following records defines the User Extension Table.
* This table defines the application dependent routines which
* are invoked at critical points in the life of each thread and
* the system as a whole.
*/
typedef void User_extensions_routine;
typedef boolean ( *User_extensions_thread_create_extension )(
Thread_Control *,
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_thread_delete_extension )(
Thread_Control *,
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_thread_start_extension )(
Thread_Control *,
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_thread_restart_extension )(
Thread_Control *,
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_thread_switch_extension )(
Thread_Control *,
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_thread_begin_extension )(
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_thread_exitted_extension )(
Thread_Control *
);
typedef User_extensions_routine ( *User_extensions_fatal_extension )(
Internal_errors_Source /* the_source */,
boolean /* is_internal */,
unsigned32 /* the_error */
);
typedef struct {
User_extensions_thread_create_extension thread_create;
User_extensions_thread_start_extension thread_start;
User_extensions_thread_restart_extension thread_restart;
User_extensions_thread_delete_extension thread_delete;
User_extensions_thread_switch_extension thread_switch;
User_extensions_thread_begin_extension thread_begin;
User_extensions_thread_exitted_extension thread_exitted;
User_extensions_fatal_extension fatal;
} User_extensions_Table;
/*
* The following is used to manage each user extension set.
*/
typedef struct {
Chain_Node Node;
User_extensions_Table Callouts;
} User_extensions_Control;
/*
* The following contains the static extension set which may be
* configured by the application.
*/
EXTERN User_extensions_Control _User_extensions_Initial;
/*
* The following is used to manage the list of active extensions.
*/
EXTERN Chain_Control _User_extensions_List;
/*
* _User_extensions_Thread_create
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension for
* the thread creation operate.
*/
boolean _User_extensions_Thread_create (
Thread_Control *the_thread
);
/*
* _User_extensions_Thread_delete
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension for
* the thread deletion operation.
*/
void _User_extensions_Thread_delete (
Thread_Control *the_thread
);
/*
* _User_extensions_Thread_start
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension for
* the thread start operation.
*/
void _User_extensions_Thread_start (
Thread_Control *the_thread
);
/*
* _User_extensions_Thread_restart
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension for
* the thread restart operation.
*/
void _User_extensions_Thread_restart (
Thread_Control *the_thread
);
/*
* _User_extensions_Thread_begin
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension which
* is invoked when a thread begins.
*/
void _User_extensions_Thread_begin (
Thread_Control *executing
);
/*
* _User_extensions_Thread_exitted
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension which
* is invoked when a thread exits.
*/
void _User_extensions_Thread_exitted (
Thread_Control *executing
);
/*
* _User_extensions_Fatal
*
* DESCRIPTION:
*
* This routine is used to invoke the user extension invoked
* when a fatal error occurs.
*/
void _User_extensions_Fatal (
Internal_errors_Source the_source,
boolean is_internal,
unsigned32 the_error
);
#ifndef __RTEMS_APPLICATION__
#include <rtems/score/userext.inl>
#endif
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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