-- F954A00.A
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-- F954A00.A
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--
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--
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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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-- This file contains foundation code for tests covering the requeue
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-- This file contains foundation code for tests covering the requeue
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-- statement.
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-- statement.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- See prologues of specific tests.
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-- See prologues of specific tests.
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--
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--!
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--!
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package F954A00 is -- Printer device abstraction.
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package F954A00 is -- Printer device abstraction.
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-- Model a printer device driver as a protected type. A printer remains
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-- Model a printer device driver as a protected type. A printer remains
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-- unavailable while data is printing. The printer generates an interrupt
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-- unavailable while data is printing. The printer generates an interrupt
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-- when printing is complete, after which the printer is again made
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-- when printing is complete, after which the printer is again made
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-- available.
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-- available.
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type Printers_Info is tagged record
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type Printers_Info is tagged record
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Some_Info : Integer;
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Some_Info : Integer;
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end record;
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end record;
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--==============================================--
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--==============================================--
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protected type Printers is -- Device driver for printer.
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protected type Printers is -- Device driver for printer.
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procedure Start_Printing (File_Name : String); -- Begin printing on
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procedure Start_Printing (File_Name : String); -- Begin printing on
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-- printer.
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-- printer.
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procedure Handle_Interrupt; -- Handle interrupt from
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procedure Handle_Interrupt; -- Handle interrupt from
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-- printer.
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-- printer.
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entry Done_Printing; -- Wait until printer is
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entry Done_Printing; -- Wait until printer is
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-- done.
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-- done.
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function Available return Boolean; -- Return value of Ready.
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function Available return Boolean; -- Return value of Ready.
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function Is_Done return Boolean; -- Return value of Done.
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function Is_Done return Boolean; -- Return value of Done.
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private
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private
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Ready : Boolean := True; -- Entry barrier.
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Ready : Boolean := True; -- Entry barrier.
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Done : Boolean := True; -- Testing flag.
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Done : Boolean := True; -- Testing flag.
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end Printers;
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end Printers;
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--==============================================--
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--==============================================--
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Number_Of_Printers : constant := 2;
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Number_Of_Printers : constant := 2;
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type Printer_ID is range 1 .. Number_Of_Printers;
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type Printer_ID is range 1 .. Number_Of_Printers;
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type Printer_Array is array (Printer_ID) of Printers;
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type Printer_Array is array (Printer_ID) of Printers;
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type Info_Array is array (Printer_ID) of Printers_Info;
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type Info_Array is array (Printer_ID) of Printers_Info;
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Printer : Printer_Array;
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Printer : Printer_Array;
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Printer_Info : constant Info_Array := ( (Some_Info => 1),
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Printer_Info : constant Info_Array := ( (Some_Info => 1),
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(Some_Info => 2) );
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(Some_Info => 2) );
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end F954A00;
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end F954A00;
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--==================================================================--
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--==================================================================--
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package body F954A00 is -- Printer server abstraction.
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package body F954A00 is -- Printer server abstraction.
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protected body Printers is
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protected body Printers is
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procedure Start_Printing (File_Name : String) is
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procedure Start_Printing (File_Name : String) is
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begin
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begin
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Ready := False; -- Block other requests
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Ready := False; -- Block other requests
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Done := False; -- for this printer
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Done := False; -- for this printer
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-- Send data to the printer... -- and begin printing.
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-- Send data to the printer... -- and begin printing.
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end Start_Printing;
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end Start_Printing;
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-- Set the "not ready" one-shot
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-- Set the "not ready" one-shot
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entry Done_Printing when Ready is -- Callers wait here
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entry Done_Printing when Ready is -- Callers wait here
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begin -- until printing is
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begin -- until printing is
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Done := True; -- done (signaled by a
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Done := True; -- done (signaled by a
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end Done_Printing; -- printer interrupt).
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end Done_Printing; -- printer interrupt).
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procedure Handle_Interrupt is -- Called when the
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procedure Handle_Interrupt is -- Called when the
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begin -- printer interrupts,
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begin -- printer interrupts,
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Ready := True; -- indicating that
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Ready := True; -- indicating that
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end Handle_Interrupt; -- printing is done.
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end Handle_Interrupt; -- printing is done.
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function Available return Boolean is -- Artifice for test
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function Available return Boolean is -- Artifice for test
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begin -- purposes: checks
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begin -- purposes: checks
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return (Ready); -- whether printer is
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return (Ready); -- whether printer is
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end Available; -- still printing.
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end Available; -- still printing.
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function Is_Done return Boolean is -- Artifice for test
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function Is_Done return Boolean is -- Artifice for test
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begin -- purposes: checks
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begin -- purposes: checks
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return (Done); -- whether Done_Printing
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return (Done); -- whether Done_Printing
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end Is_Done; -- entry was executed.
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end Is_Done; -- entry was executed.
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end Printers;
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end Printers;
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end F954A00;
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end F954A00;
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