blob: 7a085ada692a0042bb7981abc095aa22c0059670 (
plain) (
tree)
|
|
/**
* @file
*
* @ingroup RTEMSImplClassicClock
*
* @brief This source file contains the implementation of
* rtems_clock_set().
*/
/*
* 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.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/clockimpl.h>
#include <rtems/rtems/statusimpl.h>
#include <rtems/score/todimpl.h>
#include <rtems/config.h>
rtems_status_code rtems_clock_set(
const rtems_time_of_day *tod
)
{
Status_Control status;
if ( !tod )
return RTEMS_INVALID_ADDRESS;
if ( _TOD_Validate( tod ) ) {
struct timespec tod_as_timespec;
ISR_lock_Context lock_context;
tod_as_timespec.tv_sec = _TOD_To_seconds( tod );
tod_as_timespec.tv_nsec = tod->ticks
* rtems_configuration_get_nanoseconds_per_tick();
_TOD_Lock();
_TOD_Acquire( &lock_context );
status = _TOD_Set( &tod_as_timespec, &lock_context );
_TOD_Unlock();
return _Status_Get( status );
}
return RTEMS_INVALID_CLOCK;
}
|