-- C953003.A
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-- C953003.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that the servicing of entry queues of a protected object
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-- Check that the servicing of entry queues of a protected object
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-- continues until there are no open entries with queued (or
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-- continues until there are no open entries with queued (or
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-- requeued) calls and that internal requeues are handled
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-- requeued) calls and that internal requeues are handled
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-- as part of a single protected operation.
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-- as part of a single protected operation.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- A number of tasks are created and blocked on a protected object
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-- A number of tasks are created and blocked on a protected object
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-- so that they can all be released at one time. When released,
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-- so that they can all be released at one time. When released,
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-- these tasks make an entry call to an entry in the Main_PO
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-- these tasks make an entry call to an entry in the Main_PO
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-- protected object. As part of the servicing of this entry
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-- protected object. As part of the servicing of this entry
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-- call the call is passed through the remaining entries of the
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-- call the call is passed through the remaining entries of the
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-- protected object by using internal requeues. The protected
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-- protected object by using internal requeues. The protected
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-- object checks that no other entry call is accepted until
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-- object checks that no other entry call is accepted until
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-- after all the internal requeuing has completed.
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-- after all the internal requeuing has completed.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 12 JAN 96 SAIC Initial version for 2.1
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-- 12 JAN 96 SAIC Initial version for 2.1
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--
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--
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--!
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--!
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with Report;
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with Report;
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procedure C953003 is
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procedure C953003 is
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Verbose : constant Boolean := False;
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Verbose : constant Boolean := False;
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Order_Error : Boolean := False;
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Order_Error : Boolean := False;
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Max_Tasks : constant := 10; -- total number of tasks
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Max_Tasks : constant := 10; -- total number of tasks
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Max_Entries : constant := 4; -- number of entries in Main_PO
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Max_Entries : constant := 4; -- number of entries in Main_PO
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Note_Cnt : Integer := 0;
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Note_Cnt : Integer := 0;
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Note_Order : array (1..Max_Tasks*Max_Entries) of Integer;
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Note_Order : array (1..Max_Tasks*Max_Entries) of Integer;
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begin
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begin
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Report.Test ("C953003",
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Report.Test ("C953003",
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"Check that the servicing of entry queues handles all" &
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"Check that the servicing of entry queues handles all" &
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" open entries as part of a single protected operation," &
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" open entries as part of a single protected operation," &
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" including those resulting from an internal requeue");
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" including those resulting from an internal requeue");
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declare
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declare
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task type Assault_PO is
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task type Assault_PO is
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entry Take_ID (Id : Integer);
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entry Take_ID (Id : Integer);
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end Assault_PO;
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end Assault_PO;
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Marines : array (1 .. Max_Tasks) of Assault_PO;
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Marines : array (1 .. Max_Tasks) of Assault_PO;
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protected Main_PO is
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protected Main_PO is
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entry E0 (Who : Integer);
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entry E0 (Who : Integer);
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private
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private
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entry E3 (Who : Integer);
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entry E3 (Who : Integer);
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entry E2 (Who : Integer);
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entry E2 (Who : Integer);
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entry E1 (Who : Integer);
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entry E1 (Who : Integer);
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Expected_Next : Integer := 0;
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Expected_Next : Integer := 0;
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end Main_PO;
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end Main_PO;
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protected body Main_PO is
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protected body Main_PO is
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entry E0 (Who : Integer) when True is
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entry E0 (Who : Integer) when True is
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begin
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begin
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Order_Error := Order_Error or Expected_Next /= 0;
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Order_Error := Order_Error or Expected_Next /= 0;
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Expected_Next := 1;
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Expected_Next := 1;
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Note_Cnt := Note_Cnt + 1;
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Note_Cnt := Note_Cnt + 1;
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Note_Order (Note_Cnt) := Who;
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Note_Order (Note_Cnt) := Who;
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requeue E1;
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requeue E1;
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end E0;
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end E0;
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entry E1 (Who : Integer) when True is
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entry E1 (Who : Integer) when True is
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begin
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begin
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Order_Error := Order_Error or Expected_Next /= 1;
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Order_Error := Order_Error or Expected_Next /= 1;
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Expected_Next := 2;
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Expected_Next := 2;
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Note_Cnt := Note_Cnt + 1;
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Note_Cnt := Note_Cnt + 1;
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Note_Order (Note_Cnt) := Who;
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Note_Order (Note_Cnt) := Who;
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requeue E2;
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requeue E2;
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end E1;
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end E1;
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entry E3 (Who : Integer) when True is
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entry E3 (Who : Integer) when True is
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begin
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begin
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Order_Error := Order_Error or Expected_Next /= 3;
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Order_Error := Order_Error or Expected_Next /= 3;
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Expected_Next := 0;
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Expected_Next := 0;
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Note_Cnt := Note_Cnt + 1;
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Note_Cnt := Note_Cnt + 1;
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Note_Order (Note_Cnt) := Who;
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Note_Order (Note_Cnt) := Who;
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-- all done - return now
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-- all done - return now
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end E3;
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end E3;
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entry E2 (Who : Integer) when True is
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entry E2 (Who : Integer) when True is
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begin
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begin
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Order_Error := Order_Error or Expected_Next /= 2;
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Order_Error := Order_Error or Expected_Next /= 2;
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Expected_Next := 3;
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Expected_Next := 3;
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Note_Cnt := Note_Cnt + 1;
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Note_Cnt := Note_Cnt + 1;
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Note_Order (Note_Cnt) := Who;
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Note_Order (Note_Cnt) := Who;
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requeue E3;
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requeue E3;
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end E2;
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end E2;
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end Main_PO;
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end Main_PO;
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protected Holding_Pen is
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protected Holding_Pen is
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entry Wait_For_All_Present;
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entry Wait_For_All_Present;
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entry Wait;
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entry Wait;
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private
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private
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Open : Boolean := False;
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Open : Boolean := False;
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end Holding_Pen;
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end Holding_Pen;
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protected body Holding_Pen is
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protected body Holding_Pen is
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entry Wait_For_All_Present when Wait'Count = Max_Tasks is
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entry Wait_For_All_Present when Wait'Count = Max_Tasks is
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begin
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begin
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Open := True;
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Open := True;
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end Wait_For_All_Present;
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end Wait_For_All_Present;
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entry Wait when Open is
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entry Wait when Open is
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begin
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begin
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null; -- just go
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null; -- just go
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end Wait;
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end Wait;
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end Holding_Pen;
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end Holding_Pen;
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task body Assault_PO is
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task body Assault_PO is
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Me : Integer;
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Me : Integer;
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begin
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begin
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accept Take_Id (Id : Integer) do
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accept Take_Id (Id : Integer) do
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Me := Id;
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Me := Id;
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end Take_Id;
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end Take_Id;
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Holding_Pen.Wait;
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Holding_Pen.Wait;
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Main_PO.E0 (Me);
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Main_PO.E0 (Me);
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if Verbose then
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if Verbose then
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Report.Comment ("task" & Integer'Image (Me) &
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Report.Comment ("task" & Integer'Image (Me) &
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" done");
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" done");
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end if;
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end if;
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exception
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exception
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when others =>
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when others =>
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Report.Failed ("exception in task");
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Report.Failed ("exception in task");
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end Assault_PO;
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end Assault_PO;
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begin -- test encapsulation
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begin -- test encapsulation
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for I in Marines'Range loop
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for I in Marines'Range loop
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Marines (I).Take_ID (100 + I);
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Marines (I).Take_ID (100 + I);
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end loop;
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end loop;
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-- let all the tasks get blocked so we can release them all
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-- let all the tasks get blocked so we can release them all
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-- at one time
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-- at one time
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Holding_Pen.Wait_For_All_Present;
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Holding_Pen.Wait_For_All_Present;
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-- wait for all the tasks to complete
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-- wait for all the tasks to complete
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if Verbose then
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if Verbose then
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Report.Comment ("waiting for tasks to complete");
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Report.Comment ("waiting for tasks to complete");
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end if;
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end if;
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end;
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end;
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-- make sure all tasks registered their order
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-- make sure all tasks registered their order
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if Note_Cnt /= Max_Tasks * Max_Entries then
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if Note_Cnt /= Max_Tasks * Max_Entries then
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Report.Failed ("task registration count wrong. " &
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Report.Failed ("task registration count wrong. " &
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Integer'Image (Note_Cnt));
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Integer'Image (Note_Cnt));
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end if;
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end if;
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if Order_Error then
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if Order_Error then
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Report.Failed ("internal requeue not handled as part of operation");
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Report.Failed ("internal requeue not handled as part of operation");
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end if;
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end if;
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if Verbose or Order_Error then
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if Verbose or Order_Error then
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for I in 1..Max_Tasks * Max_Entries loop
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for I in 1..Max_Tasks * Max_Entries loop
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Report.Comment ("order" & Integer'Image (I) & " is" &
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Report.Comment ("order" & Integer'Image (I) & " is" &
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Integer'Image (Note_Order (I)));
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Integer'Image (Note_Order (I)));
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end loop;
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end loop;
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end if;
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end if;
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Report.Result;
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Report.Result;
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end C953003;
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end C953003;
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