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/**
* @file
*
* @brief Obtain the System Uptime
* @ingroup ClassicClock Clocks
*/
/*
* 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.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/clock.h>
#include <rtems/score/todimpl.h>
/*
* rtems_clock_get_uptime
*
* This directive obtains the system uptime. A timestamp is the seconds
* and nanoseconds since boot.
*
* Input parameters:
* timestamp - pointer to the timestamp
*
* Output parameters:
* *uptime - filled in
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_clock_get_uptime(
struct timespec *uptime
)
{
if ( !uptime )
return RTEMS_INVALID_ADDRESS;
_TOD_Get_zero_based_uptime_as_timespec( uptime );
return RTEMS_SUCCESSFUL;
}
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