4.115
Last change
on this file since 88c74ab was
88c74ab,
checked in by Sebastian Huber <sebastian.huber@…>, on 07/25/13 at 13:10:11
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score: Merge tod implementation into one file
Delete TOD_MICROSECONDS_PER_SECOND, TOD_MICROSECONDS_TO_TICKS() and
TOD_MILLISECONDS_TO_TICKS().
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-
Property mode set to
100644
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File size:
1.2 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Retrieves the Specified Clock Time |
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5 | * @ingroup POSIXAPI |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2007. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.com/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <time.h> |
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22 | #include <errno.h> |
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23 | |
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24 | #include <rtems/score/tod.h> |
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25 | #include <rtems/seterr.h> |
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26 | |
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27 | /* |
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28 | * 14.2.1 Clocks, P1003.1b-1993, p. 263 |
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29 | */ |
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30 | |
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31 | int clock_gettime( |
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32 | clockid_t clock_id, |
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33 | struct timespec *tp |
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34 | ) |
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35 | { |
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36 | if ( !tp ) |
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37 | rtems_set_errno_and_return_minus_one( EINVAL ); |
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38 | |
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39 | if ( clock_id == CLOCK_REALTIME ) { |
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40 | _TOD_Get(tp); |
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41 | return 0; |
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42 | } |
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43 | #ifdef CLOCK_MONOTONIC |
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44 | if ( clock_id == CLOCK_MONOTONIC ) { |
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45 | _TOD_Get_uptime_as_timespec( tp ); |
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46 | return 0; |
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47 | } |
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48 | #endif |
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49 | |
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50 | #ifdef _POSIX_CPUTIME |
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51 | if ( clock_id == CLOCK_PROCESS_CPUTIME_ID ) { |
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52 | _TOD_Get_uptime_as_timespec( tp ); |
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53 | return 0; |
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54 | } |
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55 | #endif |
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56 | |
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57 | #ifdef _POSIX_THREAD_CPUTIME |
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58 | if ( clock_id == CLOCK_THREAD_CPUTIME_ID ) |
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59 | rtems_set_errno_and_return_minus_one( ENOSYS ); |
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60 | #endif |
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61 | |
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62 | rtems_set_errno_and_return_minus_one( EINVAL ); |
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63 | |
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64 | return 0; |
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65 | } |
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