4.104.114.84.95
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[ac7d5ef0] | 1 | /* |
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| 2 | * RTEMS _times Implementation |
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| 3 | * |
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| 4 | * |
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| 5 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 6 | * On-Line Applications Research Corporation (OAR). |
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| 7 | * All rights assigned to U.S. Government, 1994. |
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| 8 | * |
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| 9 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 10 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 11 | * notice must appear in all copies of this file and its derivatives. |
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| 12 | * |
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| 13 | * $Id$ |
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| 14 | */ |
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| 15 | |
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| 16 | #include <rtems.h> |
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| 17 | |
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| 18 | #include <sys/times.h> |
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| 19 | #include <time.h> |
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| 20 | #include <sys/time.h> |
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| 21 | #include <errno.h> |
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| 22 | #include <assert.h> |
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| 23 | |
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| 24 | clock_t _times( |
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| 25 | struct tms *ptms |
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| 26 | ) |
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| 27 | { |
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| 28 | rtems_status_code status; |
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| 29 | rtems_interval ticks_since_boot; |
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| 30 | |
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| 31 | if ( !ptms ) { |
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| 32 | errno = EFAULT; |
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| 33 | return -1; |
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| 34 | } |
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| 35 | |
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| 36 | /* "POSIX" does not seem to allow for not having a TOD */ |
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| 37 | status = rtems_clock_get( |
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| 38 | RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, |
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| 39 | &ticks_since_boot |
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| 40 | ); |
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| 41 | if ( status != RTEMS_SUCCESSFUL ) { |
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| 42 | assert( 0 ); |
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| 43 | return -1; |
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| 44 | } |
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| 45 | |
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| 46 | /* |
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| 47 | * RTEMS has no notion of system versus user time and does |
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| 48 | * not (as of 3.2.0) keep track of CPU usage on a per task basis. |
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| 49 | */ |
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| 50 | |
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| 51 | ptms->tms_utime = ticks_since_boot; |
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| 52 | ptms->tms_stime = 0; |
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| 53 | ptms->tms_cutime = 0; |
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| 54 | ptms->tms_cstime = 0; |
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| 55 | |
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| 56 | return 0; |
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| 57 | } |
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| 58 | |
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| 59 | clock_t times( |
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| 60 | struct tms *ptms |
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| 61 | ) |
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| 62 | { |
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| 63 | return _times( ptms ); |
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| 64 | } |
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| 65 | |
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