userext.h

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/*
 *  COPYRIGHT (c) 1989-2006.
 *  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.com/license/LICENSE.
 *
 *  $Id: userext.h,v 1.24 2007/05/09 18:27:26 joel Exp $
 */

#ifndef _RTEMS_SCORE_USEREXT_H
#define _RTEMS_SCORE_USEREXT_H

#ifdef __cplusplus
extern "C" {
#endif

#include <rtems/score/interr.h>
#include <rtems/score/chain.h>
#include <rtems/score/thread.h>


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 */,
                 uint32_t                /* 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;

typedef struct {
  Chain_Node                              Node;
  User_extensions_thread_switch_extension thread_switch;
}   User_extensions_Switch_control;

typedef struct {
  Chain_Node                     Node;
  User_extensions_Switch_control Switch;
  User_extensions_Table          Callouts;
}   User_extensions_Control;

SCORE_EXTERN Chain_Control _User_extensions_List;

SCORE_EXTERN Chain_Control _User_extensions_Switches_list;


void _User_extensions_Handler_initialization (
  uint32_t                number_of_extensions,
  User_extensions_Table  *initial_extensions
);

void _User_extensions_Add_API_set (
  User_extensions_Control *the_extension
);

void _User_extensions_Add_set (
  User_extensions_Control *the_extension,
  User_extensions_Table   *extension_table
);

void _User_extensions_Remove_set (
  User_extensions_Control  *the_extension
);

boolean _User_extensions_Thread_create (
  Thread_Control *the_thread
);

void _User_extensions_Thread_delete (
  Thread_Control *the_thread
);

void _User_extensions_Thread_start (
  Thread_Control *the_thread
);

void _User_extensions_Thread_restart (
  Thread_Control *the_thread
);

void _User_extensions_Thread_begin (
  Thread_Control *executing
);


void _User_extensions_Thread_switch (
  Thread_Control *executing,
  Thread_Control *heir
);

void _User_extensions_Thread_exitted (
  Thread_Control *executing
);

void _User_extensions_Fatal (
  Internal_errors_Source  the_source,
  boolean                 is_internal,
  uint32_t                the_error
);

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */

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