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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [include/] [rtems/] [score/] [userext.h] - Rev 593

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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) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  $Id: userext.h,v 1.2 2001-09-27 11:59:32 chris Exp $
 */
 
#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_post_switch_extension )(
                 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 is used to manage the list of active extensions.
 */
 
SCORE_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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