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1 -- C92006A.ADA
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2
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 -- CHECK THAT TASK OBJECTS CAN BE INTERCHANGED BY ASSIGNMENT OF
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26 -- CORRESPONDING ACCESS TYPE OBJECTS.
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27
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28 -- WEI 3/ 4/82
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29 -- JWC 6/28/85 RENAMED FROM C920BIA-B.ADA
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30
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31 WITH REPORT;
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32 USE REPORT;
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33 PROCEDURE C92006A IS
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34
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35 TASK TYPE TT1 IS
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36 ENTRY E1;
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37 ENTRY E2;
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38 END TT1;
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39
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40 TYPE ATT1 IS ACCESS TT1;
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41 POINTER_TT1_1, POINTER_TT1_2 : ATT1;
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42
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43 SUBTYPE ARG IS NATURAL RANGE 0..9;
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44 SPYNUMB : NATURAL := 0;
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45
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46 PROCEDURE PSPY_NUMB (DIGT: IN ARG) IS
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47 BEGIN
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48 SPYNUMB := 10*SPYNUMB+DIGT;
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49 END PSPY_NUMB;
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50
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51 PROCEDURE PROC (P1, P2 : IN OUT ATT1) IS
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52 -- SWAP TASK OBJECTS P1, P2.
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53 SCRATCH : ATT1;
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54 BEGIN
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55 SCRATCH := P1;
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56 P1 := P2;
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57 P2 := SCRATCH;
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58
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59 P1.E2; -- ENTRY2 SECOND OBJECT.
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60 P2.E1; -- VICE VERSA.
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61
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62 END PROC;
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63
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64 TASK BODY TT1 IS
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65 BEGIN
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66 ACCEPT E1 DO
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67 PSPY_NUMB (1);
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68 END E1;
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69 ACCEPT E2 DO
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70 PSPY_NUMB (2);
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71 END E2;
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72 END TT1;
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73
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74 BEGIN
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75
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76 TEST ("C92006A", "INTERCHANGING TASK OBJECTS");
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77 POINTER_TT1_1 := NEW TT1;
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78 POINTER_TT1_2 := NEW TT1;
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79
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80 POINTER_TT1_2.ALL.E1;
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81 PROC (POINTER_TT1_1, POINTER_TT1_2);
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82 POINTER_TT1_2.E2; -- E2 OF FIRST OBJECT
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83 -- EACH ENTRY OF EACH TASK OBJECT SHOULD HAVE BEEN CALLED.
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84
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85 IF SPYNUMB /= 1212 THEN
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86 FAILED ("FAILURE TO SWAP TASK OBJECTS " &
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87 "IN PROCEDURE PROC");
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88 COMMENT ("ACTUAL ORDER WAS:" & INTEGER'IMAGE(SPYNUMB));
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89 END IF;
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90
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91 RESULT;
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92
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93 END C92006A;
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