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/*
* RTEMS _times Implementation
*
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#include <rtems.h>
#include <sys/times.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>
#include <assert.h>
clock_t _times(
struct tms *ptms
)
{
rtems_status_code status;
rtems_interval ticks_since_boot;
if ( !ptms ) {
errno = EFAULT;
return -1;
}
/* "POSIX" does not seem to allow for not having a TOD */
status = rtems_clock_get(
RTEMS_CLOCK_GET_TICKS_SINCE_BOOT,
&ticks_since_boot
);
if ( status != RTEMS_SUCCESSFUL ) {
assert( 0 );
return -1;
}
/*
* RTEMS has no notion of system versus user time and does
* not (as of 3.2.0) keep track of CPU usage on a per task basis.
*/
ptms->tms_utime = ticks_since_boot;
ptms->tms_stime = 0;
ptms->tms_cutime = 0;
ptms->tms_cstime = 0;
return 0;
}
clock_t times(
struct tms *ptms
)
{
return _times( ptms );
}
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