From ac7d5ef06a6d6e8d84abbd1f0b82162725f98326 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 11 May 1995 17:39:37 +0000 Subject: Initial revision --- c/src/lib/libc/__times.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 c/src/lib/libc/__times.c (limited to 'c/src/lib/libc/__times.c') diff --git a/c/src/lib/libc/__times.c b/c/src/lib/libc/__times.c new file mode 100644 index 0000000000..12fd9241fe --- /dev/null +++ b/c/src/lib/libc/__times.c @@ -0,0 +1,65 @@ +/* + * 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 + +#include +#include +#include +#include +#include + +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 ); +} + -- cgit v1.2.3