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/* extension.h
*
* This include file contains all the constants, structures, and
* prototypes associated with the User Extension Manager. This manager
* provides a mechanism for manipulating sets of user-defined extensions.
*
* Directives provided are:
*
* + create user extension set
* + get ID of user extension set
* + delete user extension set
*
* 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.
*
* $Id$
*/
#ifndef __RTEMS_EXTENSION_MANAGER_h
#define __RTEMS_EXTENSION_MANAGER_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/object.h>
#include <rtems/score/userext.h>
#include <rtems/rtems/status.h> /* XXX */
#include <rtems/rtems/types.h> /* XXX */
/*
* Extension related types
*/
typedef User_extensions_routine rtems_extension;
typedef User_extensions_thread_create_extension rtems_task_create_extension;
typedef User_extensions_thread_delete_extension rtems_task_delete_extension;
typedef User_extensions_thread_start_extension rtems_task_start_extension;
typedef User_extensions_thread_restart_extension rtems_task_restart_extension;
typedef User_extensions_thread_switch_extension rtems_task_switch_extension;
typedef User_extensions_thread_post_switch_extension
rtems_task_post_switch_extension;
typedef User_extensions_thread_begin_extension rtems_task_begin_extension;
typedef User_extensions_thread_exitted_extension rtems_task_exitted_extension;
typedef User_extensions_fatal_extension rtems_fatal_extension;
typedef User_extensions_Table rtems_extensions_table;
/*
* The following defines the information control block used to manage
* this class of objects.
*/
SAPI_EXTERN Objects_Information _Extension_Information;
/*
* The following records define the control block used to manage
* each extension.
*/
typedef struct {
Objects_Control Object;
User_extensions_Control Extension;
} Extension_Control;
/*
* _Extension_Manager_initialization
*
* DESCRIPTION:
*
* This routine performs the initialization necessary for this manager.
*/
void _Extension_Manager_initialization(
unsigned32 maximum_extensions
);
/*
* rtems_extension_create
*
* DESCRIPTION:
*
* This routine implements the rtems_extension_create directive. The
* extension will have the name name. The entry points of the
* routines which constitute this extension set are in EXTENSION_TABLE.
* It returns the id of the created extension in ID.
*/
rtems_status_code rtems_extension_create(
rtems_name name,
rtems_extensions_table *extension_table,
Objects_Id *id
);
/*
* rtems_extension_ident
*
* DESCRIPTION:
*
* This routine implements the rtems_extension_ident directive.
* This directive returns the extension ID associated with name.
* If more than one extension is named name, then the extension
* to which the ID belongs is arbitrary.
*/
rtems_status_code rtems_extension_ident(
rtems_name name,
Objects_Id *id
);
/*
* rtems_extension_delete
*
* DESCRIPTION:
*
* This routine implements the rtems_extension_delete directive. The
* extension indicated by ID is deleted.
*/
rtems_status_code rtems_extension_delete(
Objects_Id id
);
#ifndef __RTEMS_APPLICATION__
#include <rtems/extension.inl>
#endif
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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