1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup ScoreObject |
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5 | * |
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6 | * @brief Object Handler Data Structures |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-2011. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.org/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #ifndef _RTEMS_SCORE_OBJECTDATA_H |
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19 | #define _RTEMS_SCORE_OBJECTDATA_H |
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20 | |
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21 | #include <rtems/score/object.h> |
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22 | #include <rtems/score/chain.h> |
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23 | #include <rtems/score/rbtree.h> |
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24 | |
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25 | #ifdef __cplusplus |
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26 | extern "C" { |
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27 | #endif |
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28 | |
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29 | /** |
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30 | * @addtogroup ScoreObject |
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31 | * |
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32 | * @{ |
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33 | */ |
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34 | |
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35 | /** |
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36 | * The following defines the Object Control Block used to manage |
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37 | * each object local to this node. |
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38 | */ |
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39 | typedef struct { |
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40 | /** This is the chain node portion of an object. */ |
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41 | Chain_Node Node; |
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42 | /** This is the object's ID. */ |
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43 | Objects_Id id; |
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44 | /** This is the object's name. */ |
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45 | Objects_Name name; |
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46 | } Objects_Control; |
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47 | |
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48 | #if defined( RTEMS_MULTIPROCESSING ) |
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49 | /** |
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50 | * @brief This defines the Global Object Control Block used to manage objects |
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51 | * resident on other nodes. |
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52 | */ |
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53 | typedef struct { |
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54 | /** |
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55 | * @brief Nodes to manage active and inactive global objects. |
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56 | */ |
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57 | union { |
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58 | /** |
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59 | * @brief Inactive global objects reside on a chain. |
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60 | */ |
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61 | Chain_Node Inactive; |
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62 | |
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63 | struct { |
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64 | /** |
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65 | * @brief Node to lookup an active global object by identifier. |
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66 | */ |
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67 | RBTree_Node Id_lookup; |
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68 | |
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69 | /** |
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70 | * @brief Node to lookup an active global object by name. |
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71 | */ |
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72 | RBTree_Node Name_lookup; |
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73 | } Active; |
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74 | } Nodes; |
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75 | |
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76 | /** |
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77 | * @brief The global object identifier. |
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78 | */ |
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79 | Objects_Id id; |
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80 | |
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81 | /** |
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82 | * @brief The global object name. |
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83 | * |
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84 | * Using an unsigned thirty two bit value is broken but works. If any API is |
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85 | * MP with variable length names .. BOOM!!!! |
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86 | */ |
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87 | uint32_t name; |
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88 | } Objects_MP_Control; |
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89 | #endif |
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90 | |
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91 | /** @} */ |
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92 | |
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93 | #ifdef __cplusplus |
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94 | } |
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95 | #endif |
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96 | |
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97 | #endif |
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98 | /* end of include file */ |
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