sptest.adb

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

--
--  SPTEST / BODY
--
--  DESCRIPTION:
--
--  This package is the implementation of Test 6 of the RTEMS
--  Single Processor Test Suite.
--
--  DEPENDENCIES: 
--
--  
--
--  COPYRIGHT (c) 1989-1997.
--  On-Line Applications Research Corporation (OAR).
--
--  The license and distribution terms for this file may in
--  the file LICENSE in this distribution or at
--  http://www.rtems.com/license/LICENSE.
--
--  $Id: sptest.adb,v 1.2.4.2 2003/09/04 18:43:37 joel Exp $
--

with INTERFACES; use INTERFACES;
with RTEMS;
with TEST_SUPPORT;
with TEXT_IO;

package body SPTEST is

--PAGE
-- 
--  INIT
--

   procedure INIT (
      ARGUMENT : in     RTEMS.TASK_ARGUMENT
   ) is
      STATUS            : RTEMS.STATUS_CODES;
      PREVIOUS_PRIORITY : RTEMS.TASK_PRIORITY;
   begin

      TEXT_IO.NEW_LINE( 2 );
      TEXT_IO.PUT_LINE( "*** TEST 6 ***" );

      SPTEST.TASK_NAME( 1 ) := RTEMS.BUILD_NAME(  'T', 'A', '1', ' ' );
      SPTEST.TASK_NAME( 2 ) := RTEMS.BUILD_NAME(  'T', 'A', '2', ' ' );
      SPTEST.TASK_NAME( 3 ) := RTEMS.BUILD_NAME(  'T', 'A', '3', ' ' );

      SPTEST.ARGUMENT := 0;
      SPTEST.RESTART_ARGUMENT := 1;

      RTEMS.TASK_CREATE( 
         SPTEST.TASK_NAME( 1 ), 
         1, 
         2048, 
         RTEMS.DEFAULT_MODES,
         RTEMS.DEFAULT_ATTRIBUTES,
         SPTEST.TASK_ID( 1 ),
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TA1" );

      RTEMS.TASK_CREATE( 
         SPTEST.TASK_NAME( 2 ), 
         1, 
         2048, 
         RTEMS.DEFAULT_MODES,
         RTEMS.DEFAULT_ATTRIBUTES,
         SPTEST.TASK_ID( 2 ),
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TA2" );

      RTEMS.TASK_CREATE( 
         SPTEST.TASK_NAME( 3 ), 
         10, 
         2048, 
         RTEMS.DEFAULT_MODES,
         RTEMS.DEFAULT_ATTRIBUTES,
         SPTEST.TASK_ID( 3 ),
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TA3" );

      RTEMS.TASK_START(
         SPTEST.TASK_ID( 1 ),
         SPTEST.TASK_1'ACCESS,
         0,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TA1" );

      RTEMS.TASK_START(
         SPTEST.TASK_ID( 2 ),
         SPTEST.TASK_2'ACCESS,
         SPTEST.ARGUMENT,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TA2" );

      RTEMS.TASK_START(
         SPTEST.TASK_ID( 3 ),
         SPTEST.TASK_3'ACCESS,
         SPTEST.ARGUMENT,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TA3" );

      RTEMS.TASK_SET_PRIORITY(
         SPTEST.TASK_ID( 3 ),
         5,
         PREVIOUS_PRIORITY,
         STATUS
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_SET_PRIORITY OF TA3" );

      RTEMS.TASK_DELETE( RTEMS.SELF, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );

   end INIT;

--PAGE
-- 
--  TASK_1
--

   procedure TASK_1 (
      ARGUMENT : in     RTEMS.TASK_ARGUMENT
   ) is
      PASS   : RTEMS.UNSIGNED32;
      STATUS : RTEMS.STATUS_CODES;
   begin

      TEXT_IO.PUT_LINE( "TA1 - is beginning to run" );

      PASS := ARGUMENT + 1;

      if PASS = 5 then
         TEXT_IO.PUT_LINE( "*** END OF TEST 6 ***" );
         RTEMS.SHUTDOWN_EXECUTIVE( 0 );
      end if;

      if PASS = 1 then
         TEXT_IO.PUT_LINE( "TA1 - restarting TA3" );
         RTEMS.TASK_RESTART( 
            SPTEST.TASK_ID( 3 ), 
            SPTEST.RESTART_ARGUMENT, 
            STATUS 
         );
         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESTART OF TA3" );

         RTEMS.TASK_WAKE_AFTER( 2 * TEST_SUPPORT.TICKS_PER_SECOND, STATUS );
         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_WAKE_AFTER" );

      end if;

      RTEMS.TASK_WAKE_AFTER( TEST_SUPPORT.TICKS_PER_SECOND, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_WAKE_AFTER" );

      TEXT_IO.PUT_LINE( "TA1 - task_restart - restarting TA2" );
      RTEMS.TASK_RESTART( 
         SPTEST.TASK_ID( 2 ), 
         SPTEST.RESTART_ARGUMENT, 
         STATUS 
      );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESTART OF TA2" );

      RTEMS.TASK_WAKE_AFTER( TEST_SUPPORT.TICKS_PER_SECOND, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_WAKE_AFTER" );

      TEXT_IO.PUT_LINE( "TA1 - task_restart - restarting self" );
      RTEMS.TASK_RESTART( SPTEST.TASK_ID( 1 ), PASS, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_RESTART OF SELF" );

   end TASK_1;

--PAGE
-- 
--  TASK_2
--

   procedure TASK_2 (
      ARGUMENT : in     RTEMS.TASK_ARGUMENT
   ) is
      STATUS : RTEMS.STATUS_CODES;
   begin

      TEXT_IO.PUT_LINE( "TA2 - is beginning to run" );

      if ARGUMENT = SPTEST.ARGUMENT then
         RTEMS.TASK_WAKE_AFTER( 2 * TEST_SUPPORT.TICKS_PER_SECOND, STATUS );
         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_WAKE_AFTER" );
      end if;

      loop

         TEXT_IO.PUT_LINE( "TA2 - task_wake_after - sleep 1/2 second" );
         RTEMS.TASK_WAKE_AFTER( TEST_SUPPORT.TICKS_PER_SECOND / 2, STATUS );
         TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_WAKE_AFTER" );

      end loop;

   end TASK_2;

--PAGE
-- 
--  TASK_3
--

   procedure TASK_3 (
      ARGUMENT : in     RTEMS.TASK_ARGUMENT
   ) is
      STATUS : RTEMS.STATUS_CODES;
   begin

      RTEMS.TASK_DELETE( RTEMS.SELF, STATUS );
      TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" );

   end TASK_3;

end SPTEST;