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/*
* 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267
*
* 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 <time.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/seterr.h>
#include <rtems/score/thread.h>
#include <rtems/posix/timer.h>
/*
* timer_getoverrun
*
* The expiration of a timer must increase by one a counter.
* After the signal handler associated to the timer finishes
* its execution, _POSIX_Timer_TSR will have to set this counter to 0.
*/
int timer_getoverrun(
timer_t timerid
)
{
int overrun;
POSIX_Timer_Control *ptimer;
Objects_Locations location;
ptimer = _POSIX_Timer_Get( timerid, &location );
switch ( location ) {
case OBJECTS_LOCAL:
overrun = ptimer->overrun;
ptimer->overrun = 0;
_Thread_Enable_dispatch();
return overrun;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
rtems_set_errno_and_return_minus_one( EINVAL );
}
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