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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [timercreate.c] - Blame information for rev 173

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1 30 unneback
/*
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 *  Timer Manager
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 *
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: timercreate.c,v 1.2 2001-09-27 11:59:19 chris Exp $
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 */
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#include <rtems/system.h>
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#include <rtems/rtems/status.h>
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#include <rtems/rtems/support.h>
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#include <rtems/score/object.h>
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#include <rtems/score/thread.h>
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#include <rtems/rtems/timer.h>
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#include <rtems/score/tod.h>
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#include <rtems/score/watchdog.h>
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/*PAGE
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 *
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 *  rtems_timer_create
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 *
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 *  This directive creates a timer and performs some initialization.
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 *
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 *  Input parameters:
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 *    name - timer name
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 *    id   - pointer to timer id
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 *
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 *  Output parameters:
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 *    id                - timer id
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 *    RTEMS_SUCCESSFUL - if successful
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 *    error code        - if unsuccessful
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 */
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rtems_status_code rtems_timer_create(
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  rtems_name    name,
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  Objects_Id   *id
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)
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{
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  Timer_Control *the_timer;
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  if ( !rtems_is_name_valid( name ) )
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    return RTEMS_INVALID_NAME;
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  _Thread_Disable_dispatch();         /* to prevent deletion */
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  the_timer = _Timer_Allocate();
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  if ( !the_timer ) {
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    _Thread_Enable_dispatch();
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    return RTEMS_TOO_MANY;
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  }
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  the_timer->the_class = TIMER_DORMANT;
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  _Objects_Open( &_Timer_Information, &the_timer->Object, &name );
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  *id = the_timer->Object.id;
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  _Thread_Enable_dispatch();
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  return RTEMS_SUCCESSFUL;
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}

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