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/**
* @file
*
* @brief Holding for API Extension Functions
*
* @ingroup ScoreAPIExtension
*/
/*
* 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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/apiext.h>
void _API_extensions_Initialization( void )
{
_Chain_Initialize_empty( &_API_extensions_List );
}
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)
void _API_extensions_Run_predriver( void )
{
Chain_Node *the_node;
API_extensions_Control *the_extension;
for ( the_node = _Chain_First( &_API_extensions_List );
!_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
void _API_extensions_Run_postdriver( void )
{
Chain_Node *the_node;
API_extensions_Control *the_extension;
for ( the_node = _Chain_First( &_API_extensions_List );
!_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)();
}
}
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