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/* extension.h
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*
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* This include file contains all the constants, structures, and
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* prototypes associated with the User Extension Manager. This manager
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* provides a mechanism for manipulating sets of user-defined extensions.
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*
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* Directives provided are:
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*
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* + create user extension set
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* + get ID of user extension set
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* + delete user extension set
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* extension.h,v 1.14 1999/11/17 17:50:28 joel Exp
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*/
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#ifndef __RTEMS_EXTENSION_MANAGER_h
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#define __RTEMS_EXTENSION_MANAGER_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rtems/score/object.h>
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#include <rtems/score/userext.h>
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#include <rtems/rtems/status.h> /* XXX */
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#include <rtems/rtems/types.h> /* XXX */
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/*
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* Extension related types
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*/
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typedef User_extensions_routine rtems_extension;
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typedef User_extensions_thread_create_extension rtems_task_create_extension;
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typedef User_extensions_thread_delete_extension rtems_task_delete_extension;
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typedef User_extensions_thread_start_extension rtems_task_start_extension;
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typedef User_extensions_thread_restart_extension rtems_task_restart_extension;
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typedef User_extensions_thread_switch_extension rtems_task_switch_extension;
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typedef User_extensions_thread_post_switch_extension
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rtems_task_post_switch_extension;
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typedef User_extensions_thread_begin_extension rtems_task_begin_extension;
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typedef User_extensions_thread_exitted_extension rtems_task_exitted_extension;
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typedef User_extensions_fatal_extension rtems_fatal_extension;
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typedef User_extensions_Table rtems_extensions_table;
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/*
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* The following defines the information control block used to manage
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* this class of objects.
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*/
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SAPI_EXTERN Objects_Information _Extension_Information;
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/*
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* The following records define the control block used to manage
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* each extension.
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*/
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typedef struct {
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Objects_Control Object;
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User_extensions_Control Extension;
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} Extension_Control;
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/*
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* _Extension_Manager_initialization
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*
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* DESCRIPTION:
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*
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* This routine performs the initialization necessary for this manager.
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*/
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void _Extension_Manager_initialization(
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unsigned32 maximum_extensions
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);
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/*
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* rtems_extension_create
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*
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* DESCRIPTION:
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*
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* This routine implements the rtems_extension_create directive. The
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* extension will have the name name. The entry points of the
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* routines which constitute this extension set are in EXTENSION_TABLE.
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* It returns the id of the created extension in ID.
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*/
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rtems_status_code rtems_extension_create(
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rtems_name name,
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rtems_extensions_table *extension_table,
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Objects_Id *id
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);
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/*
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* rtems_extension_ident
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*
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* DESCRIPTION:
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*
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* This routine implements the rtems_extension_ident directive.
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* This directive returns the extension ID associated with name.
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* If more than one extension is named name, then the extension
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* to which the ID belongs is arbitrary.
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*/
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rtems_status_code rtems_extension_ident(
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rtems_name name,
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Objects_Id *id
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);
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/*
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* rtems_extension_delete
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*
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* DESCRIPTION:
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*
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* This routine implements the rtems_extension_delete directive. The
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* extension indicated by ID is deleted.
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*/
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rtems_status_code rtems_extension_delete(
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Objects_Id id
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);
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#ifndef __RTEMS_APPLICATION__
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#include <rtems/extension.inl>
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of include file */
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