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/*
* Time of Day (TOD) Handler -- Set Time
*/
/* COPYRIGHT (c) 1989-2007.
* 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.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/score/timestamp.h>
#include <rtems/score/tod.h>
#include <rtems/score/watchdog.h>
/*PAGE
*
* _TOD_Set
*
* This rountine sets the current date and time with the specified
* new date and time structure.
*
* Input parameters:
* time - pointer to the time and date structure
*
* Output parameters: NONE
*/
void _TOD_Set(
const struct timespec *time
)
{
long seconds;
_Thread_Disable_dispatch();
_TOD_Deactivate();
seconds = _TOD_Seconds_since_epoch();
if ( time->tv_sec < seconds )
_Watchdog_Adjust_seconds( WATCHDOG_BACKWARD, seconds - time->tv_sec );
else
_Watchdog_Adjust_seconds( WATCHDOG_FORWARD, time->tv_sec - seconds );
/* POSIX format TOD (timespec) */
_Timestamp_Set( &_TOD_Now, time->tv_sec, time->tv_nsec );
_TOD_Is_set = true;
_TOD_Activate();
_Thread_Enable_dispatch();
}
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