[1987020] | 1 | -- |
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| 2 | -- RTEMS / Body |
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| 3 | -- |
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| 4 | -- DESCRIPTION: |
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| 5 | -- |
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| 6 | -- This package provides the interface to the RTEMS API. |
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| 7 | -- |
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| 8 | -- |
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| 9 | -- DEPENDENCIES: |
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| 10 | -- |
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| 11 | -- |
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| 12 | -- |
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| 13 | -- COPYRIGHT (c) 1997-2011. |
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| 14 | -- On-Line Applications Research Corporation (OAR). |
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| 15 | -- |
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| 16 | -- The license and distribution terms for this file may in |
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| 17 | -- the file LICENSE in this distribution or at |
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| 18 | -- http://www.rtems.com/license/LICENSE. |
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| 19 | -- |
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| 20 | -- $Id$ |
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| 21 | -- |
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| 22 | |
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| 23 | package body RTEMS.Semaphore is |
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| 24 | |
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| 25 | -- |
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| 26 | -- Semaphore Manager |
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| 27 | -- |
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| 28 | |
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| 29 | procedure Create |
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| 30 | (Name : in RTEMS.Name; |
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| 31 | Count : in RTEMS.Unsigned32; |
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| 32 | Attribute_Set : in RTEMS.Attribute; |
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| 33 | Priority_Ceiling : in RTEMS.Tasks.Priority; |
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| 34 | ID : out RTEMS.ID; |
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| 35 | Result : out RTEMS.Status_Codes) |
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| 36 | is |
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| 37 | function Create_Base |
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| 38 | (Name : RTEMS.Name; |
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| 39 | Count : RTEMS.Unsigned32; |
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| 40 | Attribute_Set : RTEMS.Attribute; |
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| 41 | Priority_Ceiling : RTEMS.Tasks.Priority; |
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| 42 | ID : access RTEMS.ID) |
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| 43 | return RTEMS.Status_Codes; |
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| 44 | pragma Import (C, Create_Base, "rtems_semaphore_create"); |
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| 45 | ID_Base : aliased RTEMS.ID; |
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| 46 | begin |
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| 47 | |
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| 48 | Result := |
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| 49 | Create_Base |
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| 50 | (Name, |
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| 51 | Count, |
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| 52 | Attribute_Set, |
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| 53 | Priority_Ceiling, |
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| 54 | ID_Base'Access); |
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| 55 | ID := ID_Base; |
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| 56 | |
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| 57 | end Create; |
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| 58 | |
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| 59 | procedure Delete |
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| 60 | (ID : in RTEMS.ID; |
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| 61 | Result : out RTEMS.Status_Codes) |
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| 62 | is |
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| 63 | function Delete_Base |
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| 64 | (ID : RTEMS.ID) |
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| 65 | return RTEMS.Status_Codes; |
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| 66 | pragma Import (C, Delete_Base, "rtems_semaphore_delete"); |
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| 67 | begin |
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| 68 | |
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| 69 | Result := Delete_Base (ID); |
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| 70 | |
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| 71 | end Delete; |
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| 72 | |
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| 73 | procedure Ident |
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| 74 | (Name : in RTEMS.Name; |
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| 75 | Node : in RTEMS.Unsigned32; |
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| 76 | ID : out RTEMS.ID; |
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| 77 | Result : out RTEMS.Status_Codes) |
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| 78 | is |
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| 79 | function Ident_Base |
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| 80 | (Name : RTEMS.Name; |
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| 81 | Node : RTEMS.Unsigned32; |
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| 82 | ID : access RTEMS.ID) |
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| 83 | return RTEMS.Status_Codes; |
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| 84 | pragma Import (C, Ident_Base, "rtems_semaphore_ident"); |
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| 85 | ID_Base : aliased RTEMS.ID; |
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| 86 | begin |
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| 87 | |
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| 88 | Result := Ident_Base (Name, Node, ID_Base'Access); |
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| 89 | ID := ID_Base; |
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| 90 | |
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| 91 | end Ident; |
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| 92 | |
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| 93 | procedure Obtain |
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| 94 | (ID : in RTEMS.ID; |
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| 95 | Option_Set : in RTEMS.Option; |
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| 96 | Timeout : in RTEMS.Interval; |
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| 97 | Result : out RTEMS.Status_Codes) |
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| 98 | is |
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| 99 | function Obtain_Base |
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| 100 | (ID : RTEMS.ID; |
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| 101 | Option_Set : RTEMS.Option; |
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| 102 | Timeout : RTEMS.Interval) |
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| 103 | return RTEMS.Status_Codes; |
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| 104 | pragma Import (C, Obtain_Base, "rtems_semaphore_obtain"); |
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| 105 | begin |
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| 106 | |
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| 107 | Result := Obtain_Base (ID, Option_Set, Timeout); |
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| 108 | |
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| 109 | end Obtain; |
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| 110 | |
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| 111 | procedure Release |
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| 112 | (ID : in RTEMS.ID; |
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| 113 | Result : out RTEMS.Status_Codes) |
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| 114 | is |
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| 115 | function Release_Base |
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| 116 | (ID : RTEMS.ID) |
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| 117 | return RTEMS.Status_Codes; |
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| 118 | pragma Import (C, Release_Base, "rtems_semaphore_release"); |
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| 119 | begin |
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| 120 | |
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| 121 | Result := Release_Base (ID); |
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| 122 | |
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| 123 | end Release; |
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| 124 | |
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| 125 | procedure Flush |
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| 126 | (ID : in RTEMS.ID; |
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| 127 | Result : out RTEMS.Status_Codes) |
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| 128 | is |
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| 129 | function Flush_Base |
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| 130 | (ID : RTEMS.ID) |
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| 131 | return RTEMS.Status_Codes; |
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| 132 | pragma Import (C, Flush_Base, "rtems_semaphore_flush"); |
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| 133 | begin |
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| 134 | |
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| 135 | Result := Flush_Base (ID); |
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| 136 | |
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| 137 | end Flush; |
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| 138 | |
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| 139 | end RTEMS.Semaphore; |
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