3 -- Grant of Unlimited Rights
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
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.
25 -- CHECK THAT IF AN EXCEPTION IS RAISED IN A DECLARATIVE PART OR PACKAGE
26 -- SPECIFICATION, A TASK DECLARED IN THE SAME DECLARATIVE PART BECOMES
27 -- COMPLETED BEFORE IT HAS BEEN ACTIVATED; ANY TASKS AWAITING A
28 -- RENDEZVOUS WITH THE COMPLETED RECEIVE TASKING_ERROR.
30 -- CASE 4: TASKS IN STATEMENT PART OF A BLOCK. THE TASKS DEPEND ON THE
35 -- EG 10/30/85 ELIMINATE THE USE OF NUMERIC_ERROR IN TEST.
36 -- PWN 09/11/94 REMOVED PRAGMA PRIORITY FOR ADA 9X.
37 -- RLB 06/29/01 CORRECTED TO ALLOW AGGRESSIVE OPTIMIZATION.
39 WITH REPORT
; USE REPORT
;
40 WITH SYSTEM
; USE SYSTEM
;
41 PRAGMA ELABORATE
(REPORT
);
42 PACKAGE C93005F_PK1
IS
44 -- THIS TYPE OF TASK IS ALWAYS UNACTIVATED.
45 TASK TYPE UNACTIVATED
IS
49 TYPE ACC_UNACTIVATED
IS ACCESS UNACTIVATED
;
54 I
: POSITIVE := IDENT_INT
(0); -- RAISE CONSTRAINT_ERROR.
57 TYPE ACC_BAD_REC
IS ACCESS BAD_REC
;
60 -- *******************************************
61 -- DEFINITIONS FOR MUST NOT BE TERMINATED TASKS
62 -- *******************************************
64 -- THIS SET OF DECLARATIONS DEFINES A RECORD TYPE MNT (MUST NOT
65 -- TERMINATE). WHENEVER SUCH A RECORD IS DECLARED, A COUNT IS
66 -- INCREMENTED AND A TASK IS CREATED. THE TASK WILL DECREMENT THE
67 -- COUNT UNLESS IT IS INCORRECTLY AND PREMATURELY TERMINATED.
68 -- THE ROUTINE CHECK IS CALLED TO VERIFY WHETHER THE COUNT
69 -- HAS RETURNED TO 0 (ALL MNT TASKS GOT A CHANCE TO DO THEIR
72 -- AN MNT TASK. SUCH TASKS MUST NOT BE TERMINATED
73 -- BY ANYONE BUT THEMSELVES.
78 FUNCTION F
RETURN INTEGER;
80 -- THE RECORD THAT IS DECLARED TO HOLD AN MNT TASK
81 -- AND FORCE CALLING F BEFORE CREATING THE TASK.
82 -- F INCREMENTS THE COUNT, THE TASK DECREMENTS THE
94 -- *******************************************
95 -- END OF DEFINITIONS FOR MUST NOT BE TERMINATED TASKS
96 -- *******************************************
101 PACKAGE BODY C93005F_PK1
IS
103 -- THIS TASK IS CALLED IF AN UNACTIVATED TASK
104 -- IS EVER INCORRECTLY ACTIVATED. IT REPORTS FAILURE.
110 -- ***********************************************
111 -- START OF DEFINITIONS FOR MUST NOT TERMINATE TASKS
112 -- ***********************************************
114 -- COUNT OF TASKS THAT MUST NOT BE TERMINATED AND
117 MNT_COUNT
: INTEGER := 0;
119 -- TASK TO SYNCHRONIZE THE MNT_COUNT VARIABLE
126 -- SYNCHRONIZING TASK
128 TASK BODY MNT_COUNTER
IS
133 MNT_COUNT
:= MNT_COUNT
+1;
137 MNT_COUNT
:= MNT_COUNT
-1;
146 -- INCREMENT THE MNT_COUNT WHEN A TASK IS CREATED
148 FUNCTION F
RETURN INTEGER IS
154 -- CHECK THAT THE MUST NOT BE TERMINATED TASKS ARE
155 -- NOT YET TERMINATED AND THAT THE SYNCRHONIZING TASK
156 -- ITSELF IS NOT TERMINATED.
160 IF MNT_COUNT
/= 0 OR MNT_COUNTER
'TERMINATED THEN
161 FAILED
("SOME MUST-NOT-TERMINATE TASK WAS PREMATURELY " &
164 -- RESET THE COUNT FOR THE NEXT SUBTEST:
168 -- A MUST NOT BE TERMINATED TASK. DELAY LONG ENOUGH
169 -- TO BE THE LAST TASK OF A SCOPE TO TERMINATE. THEN
170 -- DECREMENT THE COUNTER.
172 TASK BODY MNT_TASK
IS
174 DELAY 5.0 * Impdef
.One_Second
;
178 -- ***********************************************
179 -- END OF DEFINITIONS FOR MUST NOT TERMINATE TASKS
180 -- ***********************************************
187 FAILED
("SOME TYPE U TASK WAS ACTIVATED");
195 -- TASKS OF TYPE UNACTIVATED MUST NEVER BE ACTIVATED.
197 TASK BODY UNACTIVATED
IS
203 WITH REPORT
, C93005F_PK1
;
204 USE REPORT
, C93005F_PK1
;
205 WITH SYSTEM
; USE SYSTEM
;
211 TEST
("C93005F", "TEST EXCEPTIONS TERMINATE NOT YET ACTIVATED " &
214 COMMENT
("SUBTEST 4: TASK IN STATEMENT PART OF BLOCK");
215 COMMENT
(" THE TASKS DEPEND ON THE DECLARATIVE PART");
220 TYPE LOCAL_ACC
IS ACCESS BAD_REC
;
224 TYPE ACC_MNT
IS ACCESS MNT
;
230 IF PTR
.I
/= REPORT
.IDENT_INT
(0) THEN
231 FAILED
("EXCEPTION NOT RAISED, VALUE CHANGED");
233 FAILED
("EXCEPTION NOT RAISED, CONSTRAINT IGNORED");
236 WHEN CONSTRAINT_ERROR
=> NULL;
238 FAILED
("WRONG EXCEPTION IN B42");
241 COMMENT
("SUBTEST 4: COMPLETED");
244 FAILED
("EXCEPTION NOT ABSORBED");
253 FAILED
("EXCEPTION NOT ABSORBED");