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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [macros/] [rtems/] [score/] [userext.inl] - Rev 735
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/* userext.inl
*
* This file contains the macro implementation of the inlined routines
* from the User Extension Handler
*
* 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.inl,v 1.2 2001-09-27 11:59:34 chris Exp $
*/
#ifndef __USER_EXTENSIONS_inl
#define __USER_EXTENSIONS_inl
/*PAGE
*
* _User_extensions_Handler_initialization
*
*/
#define _User_extensions_Handler_initialization( \
number_of_extensions, _initial_extensions \
) \
{ \
User_extensions_Control *extension; \
unsigned32 i; \
_Chain_Initialize_empty( &_User_extensions_List ); \
\
if ( (_initial_extensions) ) { \
for (i=0 ; i<number_of_extensions ; i++ ) { \
extension = \
_Workspace_Allocate_or_fatal_error( sizeof(User_extensions_Control) ); \
\
extension->Callouts = _initial_extensions[i]; \
_Chain_Append( &_User_extensions_List, &extension->Node ); \
} \
} \
}
/*PAGE
*
* _User_extensions_Add_set
*/
#define _User_extensions_Add_set( _the_extension, _extension_table ) \
do { \
(_the_extension)->Callouts = *(_extension_table); \
\
_Chain_Append( &_User_extensions_List, &(_the_extension)->Node ); \
} while ( 0 )
/*PAGE
*
* _User_extensions_Add_API_set
*/
#define _User_extensions_Add_API_set( _the_extension ) \
_Chain_Prepend( &_User_extensions_List, &(_the_extension)->Node )
/*PAGE
*
* _User_extensions_Remove_set
*/
#define _User_extensions_Remove_set( _the_extension ) \
_Chain_Extract( &(_the_extension)->Node )
/*PAGE
*
* _User_extensions_Run_list_forward
*
* NOTE: No parentheses around macro names here to avoid
* messing up the name and function call expansion.
*/
#define _User_extensions_Run_list_forward( _name, _arguments ) \
do { \
Chain_Node *the_node; \
User_extensions_Control *the_extension; \
\
for ( the_node = _User_extensions_List.first ; \
!_Chain_Is_tail( &_User_extensions_List, the_node ) ; \
the_node = the_node->next ) { \
the_extension = (User_extensions_Control *) the_node; \
\
if ( the_extension->Callouts.## _name != NULL ) \
(*the_extension->Callouts.## _name) _arguments; \
\
} \
\
} while ( 0 )
/*PAGE
*
* _User_extensions_Run_list_backward
*
* NOTE: No parentheses around macro names here to avoid
* messing up the name and function call expansion.
*/
#define _User_extensions_Run_list_backward( _name, _arguments ) \
do { \
Chain_Node *the_node; \
User_extensions_Control *the_extension; \
\
for ( the_node = _User_extensions_List.last ; \
!_Chain_Is_head( &_User_extensions_List, the_node ) ; \
the_node = the_node->previous ) { \
the_extension = (User_extensions_Control *) the_node; \
\
if ( the_extension->Callouts.## _name != NULL ) \
(*the_extension->Callouts.## _name) _arguments; \
\
} \
\
} while ( 0 )
/*PAGE
*
* _User_extensions_Thread_switch
*
*/
#define _User_extensions_Thread_switch( _executing, _heir ) \
_User_extensions_Run_list_forward(thread_switch, (_executing, _heir) )
#endif
/* end of include file */
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