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/*
* Scheduler Simple Handler / Initialize
* Scheduler Simple Handler / Allocate (Empty Routine)
* Scheduler Simple Handler / Update (Empty Routine)
* Scheduler Simple Handler / Free (Empty Routine)
*
* COPYRIGHT (c) 2011.
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/config.h>
#include <rtems/score/chain.h>
#include <rtems/score/scheduler.h>
#include <rtems/score/schedulersimple.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
/**
* This routine does nothing, and is used as a stub for Schedule allocate
*
* Note: returns a non-zero value, or else thread initialize thinks the
* allocation failed.
*
* The overhead of a function call will still be imposed.
*/
void * _Scheduler_simple_Allocate(
Thread_Control *the_thread
)
{
return (void*)-1; /* maybe pick an appropriate poison value */
}
/**
* This routine does nothing, and is used as a stub for Schedule update
*
* The overhead of a function call will still be imposed.
*/
void _Scheduler_simple_Update(
Thread_Control *the_thread
)
{
}
/**
* This routine does nothing, and is used as a stub for Schedule free
*
* The overhead of a function call will still be imposed.
*/
void _Scheduler_simple_Free(
Thread_Control *the_thread
)
{
}
/**
* This routine initializes the simple scheduler.
*/
void _Scheduler_simple_Initialize ( void )
{
void *f;
/*
* Initialize Ready Queue
*/
/* allocate ready queue structures */
f = _Workspace_Allocate_or_fatal_error( sizeof(Chain_Control) );
_Scheduler.information = f;
/* initialize ready queue structure */
_Chain_Initialize_empty( (Chain_Control *)f );
}
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