4.104.115
Last change
on this file since c4c5401 was
c4c5401,
checked in by Joel Sherrill <joel.sherrill@…>, on 11/20/08 at 19:19:16
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2008-11-20 Joel Sherrill <joel.sherrill@…>
PR 1306/cpukit
- posix/inline/rtems/posix/priority.inl: Eliminate hard coded numbers
in favor of existing macros.
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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 rtems/posix/priority.inl |
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3 | */ |
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4 | |
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5 | /* |
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6 | * COPYRIGHT (c) 1989-2007. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.rtems.com/license/LICENSE. |
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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 | #ifndef _RTEMS_POSIX_PRIORITY_H |
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17 | # error "Never use <rtems/posix/priority.inl> directly; include <rtems/posix/priority.h> instead." |
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18 | #endif |
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19 | |
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20 | #ifndef _RTEMS_POSIX_PRIORITY_INL |
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21 | #define _RTEMS_POSIX_PRIORITY_INL |
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22 | |
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23 | /* |
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24 | * 1003.1b-1993,2.2.2.80 definition of priority, p. 19 |
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25 | * |
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26 | * "Numerically higher values represent higher priorities." |
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27 | * |
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28 | * Thus, RTEMS Core has priorities run in the opposite sense of the POSIX API. |
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29 | */ |
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30 | |
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31 | RTEMS_INLINE_ROUTINE bool _POSIX_Priority_Is_valid( |
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32 | int priority |
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33 | ) |
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34 | { |
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35 | return ((priority >= POSIX_SCHEDULER_MINIMUM_PRIORITY) && |
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36 | (priority <= POSIX_SCHEDULER_MAXIMUM_PRIORITY)); |
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37 | |
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38 | } |
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39 | |
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40 | RTEMS_INLINE_ROUTINE Priority_Control _POSIX_Priority_To_core( |
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41 | int priority |
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42 | ) |
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43 | { |
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44 | return (Priority_Control) (POSIX_SCHEDULER_MAXIMUM_PRIORITY - priority + 1); |
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45 | } |
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46 | |
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47 | RTEMS_INLINE_ROUTINE int _POSIX_Priority_From_core( |
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48 | Priority_Control priority |
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49 | ) |
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50 | { |
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51 | return (POSIX_SCHEDULER_MAXIMUM_PRIORITY - priority + 1); |
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52 | } |
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53 | |
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54 | #endif |
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