gcc/testsuite/ada/acats/tests/c9/c94001a.ada

   1 -- C94001A.ADA
   2
   3 --                             Grant of Unlimited Rights
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   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 -- CHECK THAT A UNIT WITH DEPENDENT TASKS CREATED BY OBJECT
  26 --   DECLARATIONS IS NOT TERMINATED UNTIL ALL DEPENDENT TASKS BECOME
  27 --   TERMINATED.
  28 -- SUBTESTS ARE:
  29 --   (A, B)  A SIMPLE TASK OBJECT, IN A BLOCK.
  30 --   (C, D)  AN ARRAY OF TASK OBJECT, IN A FUNCTION.
  31 --   (E, F)  AN ARRAY OF RECORD OF TASK OBJECT, IN A TASK BODY.
  32
  33 -- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS.
  34
  35 -- JRK 10/2/81
  36 -- SPS 11/21/82
  37 -- JRK 11/29/82
  38 -- TBN  8/22/86     REVISED; ADDED CASES THAT EXIT BY RAISING AN
  39 --                  EXCEPTION.
  40 -- PWN 01/31/95     REMOVED PRAGMA PRIORITY FOR ADA 9X.
  41
  42 with Impdef;
  43 WITH REPORT; USE REPORT;
  44 WITH SYSTEM; USE SYSTEM;
  45 PROCEDURE C94001A IS
  46
  47      MY_EXCEPTION : EXCEPTION;
  48      GLOBAL : INTEGER;
  49
  50      TASK TYPE TT IS
  51           ENTRY E (I : INTEGER);
  52      END TT;
  53
  54      TASK BODY TT IS
  55           LOCAL : INTEGER;
  56      BEGIN
  57           ACCEPT E (I : INTEGER) DO
  58                LOCAL := I;
  59           END E;
  60           DELAY 30.0 * Impdef.One_Second;    -- SINCE THE PARENT UNIT HAS HIGHER PRIORITY
  61                          -- AT THIS POINT, IT WILL RECEIVE CONTROL AND
  62                          -- TERMINATE IF THE ERROR IS PRESENT.
  63           GLOBAL := LOCAL;
  64      END TT;
  65
  66
  67 BEGIN
  68      TEST ("C94001A", "CHECK THAT A UNIT WITH DEPENDENT TASKS " &
  69                       "CREATED BY OBJECT DECLARATIONS IS NOT " &
  70                       "TERMINATED UNTIL ALL DEPENDENT TASKS " &
  71                       "BECOME TERMINATED");
  72
  73      --------------------------------------------------
  74
  75      GLOBAL := IDENT_INT (0);
  76
  77      DECLARE -- (A)
  78
  79           T : TT;
  80
  81      BEGIN -- (A)
  82
  83           T.E (IDENT_INT(1));
  84
  85      END; -- (A)
  86
  87      IF GLOBAL /= 1 THEN
  88           FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
  89                   "BLOCK EXIT - 1");
  90      END IF;
  91
  92      --------------------------------------------------
  93
  94      GLOBAL := IDENT_INT (0);
  95
  96      BEGIN -- (B)
  97           DECLARE
  98                T : TT;
  99           BEGIN
 100                T.E (IDENT_INT(1));
 101                RAISE MY_EXCEPTION;
 102           END;
 103
 104           FAILED ("MY_EXCEPTION WAS NOT RAISED - 2");
 105      EXCEPTION
 106           WHEN MY_EXCEPTION =>
 107                IF GLOBAL /= 1 THEN
 108                     FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
 109                             "BLOCK EXIT - 2");
 110                END IF;
 111           WHEN OTHERS =>
 112                FAILED ("UNEXPECTED EXCEPTION - 2");
 113      END; -- (B)
 114
 115      --------------------------------------------------
 116
 117      GLOBAL := IDENT_INT (0);
 118
 119      DECLARE -- (C)
 120
 121           I : INTEGER;
 122
 123           FUNCTION F RETURN INTEGER IS
 124                A : ARRAY (1..1) OF TT;
 125           BEGIN
 126                A(1).E (IDENT_INT(2));
 127                RETURN 0;
 128           END F;
 129
 130      BEGIN -- (C)
 131
 132           I := F;
 133
 134           IF GLOBAL /= 2 THEN
 135                FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
 136                        "FUNCTION EXIT - 3");
 137           END IF;
 138
 139      END; -- (C)
 140
 141      --------------------------------------------------
 142
 143      GLOBAL := IDENT_INT (0);
 144
 145      DECLARE -- (D)
 146
 147           I : INTEGER;
 148
 149           FUNCTION F RETURN INTEGER IS
 150                A : ARRAY (1..1) OF TT;
 151           BEGIN
 152                A(1).E (IDENT_INT(2));
 153                IF EQUAL (3, 3) THEN
 154                     RAISE MY_EXCEPTION;
 155                END IF;
 156                RETURN 0;
 157           END F;
 158
 159      BEGIN -- (D)
 160           I := F;
 161           FAILED ("MY_EXCEPTION WAS NOT RAISED - 4");
 162      EXCEPTION
 163           WHEN MY_EXCEPTION =>
 164                IF GLOBAL /= 2 THEN
 165                     FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
 166                             "FUNCTION EXIT - 4");
 167                END IF;
 168           WHEN OTHERS =>
 169                FAILED ("UNEXPECTED EXCEPTION - 4");
 170      END; -- (D)
 171
 172      --------------------------------------------------
 173
 174      GLOBAL := IDENT_INT (0);
 175
 176      DECLARE -- (E)
 177
 178           LOOP_COUNT : INTEGER := 0;
 179           CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.
 180
 181           TASK TSK IS
 182                ENTRY ENT;
 183           END TSK;
 184
 185           TASK BODY TSK IS
 186                TYPE RT IS
 187                     RECORD
 188                          T : TT;
 189                     END RECORD;
 190                AR : ARRAY (1..1) OF RT;
 191           BEGIN
 192                AR(1).T.E (IDENT_INT(3));
 193           END TSK;
 194
 195      BEGIN -- (E)
 196
 197           WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
 198                DELAY 1.0 * Impdef.One_Second;
 199                LOOP_COUNT := LOOP_COUNT + 1;
 200           END LOOP;
 201
 202           IF LOOP_COUNT >= CUT_OFF THEN
 203                FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
 204                        "HOUR - 5");
 205           ELSIF GLOBAL /= 3 THEN
 206                FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
 207                        "TASK EXIT - 5");
 208           END IF;
 209
 210      END; -- (E)
 211
 212      --------------------------------------------------
 213
 214      GLOBAL := IDENT_INT (0);
 215
 216      DECLARE -- (F)
 217
 218           LOOP_COUNT : INTEGER := 0;
 219           CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.
 220
 221           TASK TSK IS
 222                ENTRY ENT;
 223           END TSK;
 224
 225           TASK BODY TSK IS
 226                TYPE RT IS
 227                     RECORD
 228                          T : TT;
 229                     END RECORD;
 230                AR : ARRAY (1..1) OF RT;
 231           BEGIN
 232                AR(1).T.E (IDENT_INT(3));
 233                IF EQUAL (3, 3) THEN
 234                     RAISE MY_EXCEPTION;
 235                END IF;
 236                FAILED ("EXCEPTION WAS NOT RAISED - 6");
 237           END TSK;
 238
 239      BEGIN -- (F)
 240
 241           WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP
 242                DELAY 1.0 * Impdef.One_Second;
 243                LOOP_COUNT := LOOP_COUNT + 1;
 244           END LOOP;
 245
 246           IF LOOP_COUNT >= CUT_OFF THEN
 247                FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &
 248                        "HOUR - 6");
 249           ELSIF GLOBAL /= 3 THEN
 250                FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &
 251                        "TASK EXIT - 6");
 252           END IF;
 253
 254      END; -- (F)
 255
 256      --------------------------------------------------
 257
 258      RESULT;
 259 END C94001A;