diff options
Diffstat (limited to 'c/src/exec/libcsupport/src/__times.c')
-rw-r--r-- | c/src/exec/libcsupport/src/__times.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/c/src/exec/libcsupport/src/__times.c b/c/src/exec/libcsupport/src/__times.c new file mode 100644 index 0000000000..12fd9241fe --- /dev/null +++ b/c/src/exec/libcsupport/src/__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 <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 ); +} + |