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/**
* @file
*
* @ingroup RTEMSScoreUserExt
*
* @brief User Extension Handler implementation.
*/
/*
* COPYRIGHT (c) 1989-2008.
* 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/config.h>
#include <rtems/score/userextimpl.h>
#include <rtems/score/wkspace.h>
void _User_extensions_Handler_initialization(void)
{
User_extensions_Switch_control *initial_extension_switch_controls;
const User_extensions_Table *initial_table;
uint32_t n;
uint32_t i;
n = rtems_configuration_get_number_of_initial_extensions();
initial_extension_switch_controls = _Workspace_Allocate_or_fatal_error(
n * sizeof( *initial_extension_switch_controls )
);
initial_table = rtems_configuration_get_user_extension_table();
for ( i = 0 ; i < n ; ++i ) {
User_extensions_thread_switch_extension callout;
callout = initial_table[ i ].thread_switch;
if ( callout != NULL ) {
User_extensions_Switch_control *c;
c = &initial_extension_switch_controls[ i ];
c->thread_switch = callout;
_Chain_Initialize_node( &c->Node );
_Chain_Append_unprotected( &_User_extensions_Switches_list, &c->Node );
}
}
}
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