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/* apiext.c
*
* XXX
*
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/apiext.h>
/*PAGE
*
* _API_extensions_Initialization
*/
void _API_extensions_Initialization( void )
{
_Chain_Initialize_empty( &_API_extensions_List );
}
/*PAGE
*
* _API_extensions_Add
*/
void _API_extensions_Add(
API_extensions_Control *the_extension
)
{
_Chain_Append( &_API_extensions_List, &the_extension->Node );
}
#if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API)
/*PAGE
*
* _API_extensions_Run_predriver
*/
void _API_extensions_Run_predriver( void )
{
Chain_Node *the_node;
API_extensions_Control *the_extension;
for ( the_node = _API_extensions_List.first ;
!_Chain_Is_tail( &_API_extensions_List, the_node ) ;
the_node = the_node->next ) {
the_extension = (API_extensions_Control *) the_node;
if ( the_extension->predriver_hook )
(*the_extension->predriver_hook)();
}
}
#endif
/*PAGE
*
* _API_extensions_Run_postdriver
*/
void _API_extensions_Run_postdriver( void )
{
Chain_Node *the_node;
API_extensions_Control *the_extension;
for ( the_node = _API_extensions_List.first ;
!_Chain_Is_tail( &_API_extensions_List, the_node ) ;
the_node = the_node->next ) {
the_extension = (API_extensions_Control *) the_node;
/*
* Currently all APIs configure this hook so it is always non-NULL.
*/
#if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API)
if ( the_extension->postdriver_hook )
#endif
(*the_extension->postdriver_hook)();
}
}
/*PAGE
*
* _API_extensions_Run_postswitch
*/
void _API_extensions_Run_postswitch( void )
{
Chain_Node *the_node;
API_extensions_Control *the_extension;
for ( the_node = _API_extensions_List.first ;
!_Chain_Is_tail( &_API_extensions_List, the_node ) ;
the_node = the_node->next ) {
the_extension = (API_extensions_Control *) the_node;
/*
* Currently the ITRON API is the only API which does not
* provide this hook.
*/
#if defined(RTEMS_ITRON_API)
if ( the_extension->postswitch_hook )
#endif
(*the_extension->postswitch_hook)( _Thread_Executing );
}
}
/* end of file */
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