1-- C97301D.ADA
2
3--                             Grant of Unlimited Rights
4--
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
9--     this public release, the Government intends to confer upon all
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 TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED
26-- AMOUNT OF TIME IF A RENDEVOUS IS NOT POSSIBLE.
27
28-- CASE  D:  THE BODY OF THE TASK CONTAINING THE CALLED ENTRY
29--           DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR THAT ENTRY.
30
31-- RJW 3/31/86
32
33with Impdef;
34WITH REPORT; USE REPORT;
35WITH CALENDAR; USE CALENDAR;
36PROCEDURE C97301D IS
37
38     OR_BRANCH_TAKEN : BOOLEAN := FALSE;
39
40BEGIN
41
42     TEST ("C97301D", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
43                      "LEAST THE SPECIFIED AMOUNT OF TIME WHEN THE " &
44                      "BODY OF THE TASK CONTAINING THE CALLED ENTRY " &
45                      "DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR " &
46                      "THAT ENTRY" );
47
48     DECLARE
49          START_TIME : TIME;
50          WAIT_TIME : CONSTANT DURATION := 10.0 * Impdef.One_Second;
51
52          TASK  T  IS
53               ENTRY  DO_IT_NOW_OR_WAIT;
54               ENTRY  KEEP_ALIVE;
55          END  T;
56
57          TASK BODY  T  IS
58          BEGIN
59
60               -- NO ACCEPT_STATEMENT FOR THE ENTRY_CALL BEING TESTED.
61
62               ACCEPT  KEEP_ALIVE;  -- TO PREVENT THIS SERVER TASK FROM
63                                     --     TERMINATING IF
64                                     --     UPON ACTIVATION
65                                     --     IT GETS TO RUN
66                                     --     AHEAD OF THE CALLER (WHICH
67                                     --     WOULD LEAD TO A SUBSEQUENT
68                                     --     TASKING_ERROR AT THE TIME
69                                     --     OF THE NO-WAIT CALL).
70
71          END;
72
73     BEGIN
74          START_TIME := CLOCK;
75          SELECT
76               T.DO_IT_NOW_OR_WAIT;
77          OR
78                            --  THIS BRANCH MUST BE CHOSEN.
79               DELAY WAIT_TIME;
80               IF CLOCK >= (WAIT_TIME + START_TIME) THEN
81                    NULL;
82               ELSE
83                    FAILED ( "INSUFFICIENT WAITING TIME" );
84               END IF;
85               OR_BRANCH_TAKEN := TRUE;
86               COMMENT( "OR_BRANCH  TAKEN" );
87          END SELECT;
88
89          T.KEEP_ALIVE;
90     EXCEPTION
91          WHEN TASKING_ERROR =>
92               FAILED ( "TASKING ERROR RAISED" );
93
94     END;   -- END OF BLOCK CONTAINING THE ENTRY CALL.
95
96     -- BY NOW, THE TASK IS TERMINATED.
97
98     IF  OR_BRANCH_TAKEN  THEN
99          NULL;
100     ELSE
101          FAILED( "RENDEZVOUS ATTEMPTED?" );
102     END IF;
103
104     RESULT;
105
106END  C97301D;
107