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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [ada/] [acats/] [support/] [f954a00.a] - Blame information for rev 316

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1 294 jeremybenn
-- F954A00.A
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--
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--
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--                             Grant of Unlimited Rights
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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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--     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 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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--     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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--     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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--     to do so.
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--
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--                                    DISCLAIMER
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--
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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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--     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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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- OBJECTIVE:
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--      This file contains foundation code for tests covering the requeue
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--      statement.
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--
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-- TEST DESCRIPTION:
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--      See prologues of specific tests.
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--
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-- CHANGE HISTORY:
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--      06 Dec 94   SAIC    ACVC 2.0
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--
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--!
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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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   -- 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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   -- available.
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   type Printers_Info is tagged record
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      Some_Info : Integer;
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   end record;
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               --==============================================--
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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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                                                      -- printer.
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      procedure Handle_Interrupt;                     -- Handle interrupt from
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                                                      -- printer.
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      entry Done_Printing;                            -- Wait until printer is
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                                                      -- done.
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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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   private
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      Ready : Boolean := True;                        -- Entry barrier.
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      Done  : Boolean := True;                        -- Testing flag.
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   end Printers;
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               --==============================================--
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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_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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   Printer       : Printer_Array;
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   Printer_Info  : constant Info_Array  := ( (Some_Info => 1),
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                                             (Some_Info => 2) );
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end F954A00;
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     --==================================================================--
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package body F954A00 is  -- Printer server abstraction.
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   protected body Printers is
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      procedure Start_Printing (File_Name : String) is
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      begin
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         Ready := False;                              -- Block other requests
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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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      end Start_Printing;
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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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      begin                                           -- until printing is
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         Done := True;                                -- done (signaled by a
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      end Done_Printing;                              -- printer interrupt).
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      procedure Handle_Interrupt is                   -- Called when the
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      begin                                           -- printer interrupts,
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         Ready := True;                               -- indicating that
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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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      begin                                           -- purposes: checks
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         return (Ready);                              -- whether printer is
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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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      begin                                           -- purposes: checks
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         return (Done);                               -- whether Done_Printing
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      end Is_Done;                                    -- entry was executed.
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   end Printers;
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end F954A00;

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