1--C95022A.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 IT IS POSSIBLE TO ACCEPT AN ENTRY CALL FROM INSIDE THE
26--THE BODY OF AN ACCEPT STATEMENT.
27
28--CHECK THE CASE OF NORMAL ENTRY TERMINATION.
29
30-- JEAN-PIERRE ROSEN 25-FEB-1984
31-- JBG 6/1/84
32
33-- FOUR CLIENT TASKS CALL ONE SERVER TASK.  EACH CLIENT CALLS JUST ONE
34-- ENTRY OF THE SERVER TASK.  THE TEST CHECKS TO BE SURE THAT CALLS FROM
35-- DIFFERENT TASKS ARE NOT MIXED UP.
36
37WITH REPORT; USE REPORT;
38PROCEDURE C95022A IS
39
40BEGIN
41     TEST("C95022A", "CHECK THAT EMBEDDED RENDEZVOUS ARE PROCESSED " &
42                     "CORRECTLY");
43     DECLARE
44
45          TASK TYPE CLIENT IS
46               ENTRY GET_ID (I : INTEGER);
47               ENTRY RESTART;
48          END CLIENT;
49
50          T_ARR : ARRAY (1..4) OF CLIENT;
51
52          TASK SERVER IS
53               ENTRY E1 (I : IN OUT INTEGER);
54               ENTRY E2 (I : IN OUT INTEGER);
55               ENTRY E3 (I : IN OUT INTEGER);
56               ENTRY E4 (I : IN OUT INTEGER);
57          END SERVER;
58
59          TASK BODY SERVER IS
60          BEGIN
61
62               ACCEPT E1 (I : IN OUT INTEGER) DO
63                    ACCEPT E2 (I : IN OUT INTEGER) DO
64                         I := IDENT_INT(I);
65                         ACCEPT E3 (I : IN OUT INTEGER) DO
66                              ACCEPT E4 (I : IN OUT INTEGER) DO
67                                   I := IDENT_INT(I);
68                              END E4;
69                              I := IDENT_INT(I);
70                         END E3;
71                    END E2;
72                    I := IDENT_INT(I);
73               END E1;
74
75               FOR I IN 1 .. 4 LOOP
76                    T_ARR(I).RESTART;
77               END LOOP;
78          END SERVER;
79
80          TASK BODY CLIENT IS
81               ID      : INTEGER;
82               SAVE_ID : INTEGER;
83          BEGIN
84               ACCEPT GET_ID (I : INTEGER) DO
85                    ID := I;
86               END GET_ID;
87
88               SAVE_ID := ID;
89
90               CASE ID IS
91                    WHEN 1      => SERVER.E1(ID);
92                    WHEN 2      => SERVER.E2(ID);
93                    WHEN 3      => SERVER.E3(ID);
94                    WHEN 4      => SERVER.E4(ID);
95                    WHEN OTHERS => FAILED("INCORRECT ID");
96               END CASE;
97
98               ACCEPT RESTART;  -- WAIT FOR ALL TASKS TO HAVE COMPLETED
99                                -- RENDEZVOUS
100               IF ID /= SAVE_ID THEN
101                    FAILED("SCRAMBLED EMBEDDED RENDEZVOUS");
102               END IF;
103          EXCEPTION
104               WHEN OTHERS => FAILED("EXCEPTION IN CLIENT");
105          END CLIENT;
106
107     BEGIN
108          FOR I IN 1 .. 4 LOOP
109               T_ARR(I).GET_ID(I);
110          END LOOP;
111     END;
112
113     RESULT;
114
115END C95022A;
116