Subversion Repositories openrisc_2011-10-31

/*

 *  Timer Manager

 *

 *

 *  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: timercreate.c,v 1.2 2001-09-27 11:59:19 chris Exp $

 */

#include <rtems/system.h>

#include <rtems/rtems/status.h>

#include <rtems/rtems/support.h>

#include <rtems/score/object.h>

#include <rtems/score/thread.h>

#include <rtems/rtems/timer.h>

#include <rtems/score/tod.h>

#include <rtems/score/watchdog.h>

/*PAGE

 *

 *  rtems_timer_create

 *

 *  This directive creates a timer and performs some initialization.

 *

 *  Input parameters:

 *    name - timer name

 *    id   - pointer to timer id

 *

 *  Output parameters:

 *    id                - timer id

 *    RTEMS_SUCCESSFUL - if successful

 *    error code        - if unsuccessful

 */

rtems_status_code rtems_timer_create(

  rtems_name    name,

  Objects_Id   *id

)

{

  Timer_Control *the_timer;

  if ( !rtems_is_name_valid( name ) )

    return RTEMS_INVALID_NAME;

  _Thread_Disable_dispatch();         /* to prevent deletion */

  the_timer = _Timer_Allocate();

  if ( !the_timer ) {

    _Thread_Enable_dispatch();

    return RTEMS_TOO_MANY;

  }

  the_timer->the_class = TIMER_DORMANT;

  _Objects_Open( &_Timer_Information, &the_timer->Object, &name );

  *id = the_timer->Object.id;

  _Thread_Enable_dispatch();

  return RTEMS_SUCCESSFUL;

}