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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c954018.a')
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diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c954018.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c954018.a new file mode 100644 index 000000000..a9da1e06b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c954018.a @@ -0,0 +1,227 @@ +-- C954018.A +-- +-- Grant of Unlimited Rights +-- +-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, +-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained +-- unlimited rights in the software and documentation contained herein. +-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making +-- this public release, the Government intends to confer upon all +-- recipients unlimited rights equal to those held by the Government. +-- These rights include rights to use, duplicate, release or disclose the +-- released technical data and computer software in whole or in part, in +-- any manner and for any purpose whatsoever, and to have or permit others +-- to do so. +-- +-- DISCLAIMER +-- +-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR +-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED +-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE +-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE +-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A +-- PARTICULAR PURPOSE OF SAID MATERIAL. +--* +-- +-- OBJECTIVE: +-- Check that if a task is aborted while a requeued call is queued +-- on one of its entries the original caller receives Tasking_Error +-- and the requeuing task is unaffected. +-- This test uses: Requeue to an entry in a different task +-- Parameterless call +-- Requeue with abort +-- +-- TEST DESCRIPTION: +-- The Intermediate task requeues a call from the Original_Caller to the +-- Receiver on an entry with a guard that is always false. While the +-- Original_Caller is still queued the Receiver is aborted. +-- Check that Tasking_Error is raised in the Original_Caller, that the +-- Receiver does, indeed, get aborted and the Intermediate task +-- is undisturbed. +-- There are several delay loops in this test any one of which could +-- cause it to hang and thus indicate failure. +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- +--! + + +with Report; +with ImpDef; + + +procedure C954018 is + + + -- Protected object to control the shared test variables + -- + protected TC_State is + function On_Entry_Queue return Boolean; + procedure Set_On_Entry_Queue; + function Original_Caller_Complete return Boolean; + procedure Set_Original_Caller_Complete; + function Intermediate_Complete return Boolean; + procedure Set_Intermediate_Complete; + private + On_Entry_Queue_Flag : Boolean := false; + Original_Caller_Complete_Flag : Boolean := false; + Intermediate_Complete_Flag : Boolean := false; + end TC_State; + -- + -- + protected body TC_State is + function On_Entry_Queue return Boolean is + begin + return On_Entry_Queue_Flag; + end On_Entry_Queue; + + procedure Set_On_Entry_Queue is + begin + On_Entry_Queue_Flag := true; + end Set_On_Entry_Queue; + + function Original_Caller_Complete return Boolean is + begin + return Original_Caller_Complete_Flag; + end Original_Caller_Complete; + + procedure Set_Original_Caller_Complete is + begin + Original_Caller_Complete_Flag := true; + end Set_Original_Caller_Complete; + + function Intermediate_Complete return Boolean is + begin + return Intermediate_Complete_Flag; + end Intermediate_Complete; + + procedure Set_Intermediate_Complete is + begin + Intermediate_Complete_Flag := true; + end Set_Intermediate_Complete; + + end TC_State; + + --================================ + + task Original_Caller is + entry Start; + end Original_Caller; + + task Intermediate is + entry Input; + entry TC_Abort_Process_Complete; + end Intermediate; + + task Receiver is + entry Input; + end Receiver; + + + task body Original_Caller is + begin + accept Start; -- wait for the trigger from Main + + Intermediate.Input; + Report.Failed ("Tasking_Error not raised in Original_Caller task"); + + exception + when tasking_error => + TC_State.Set_Original_Caller_Complete; -- expected behavior + when others => + Report.Failed ("Unexpected Exception in Original_Caller task"); + end Original_Caller; + + + task body Intermediate is + begin + accept Input do + -- Within this accept call another task + TC_State.Set_On_Entry_Queue; + requeue Receiver.Input with abort; + Report.Failed ("Requeue did not complete the Accept"); + end Input; + + -- Wait for Main to ensure that the abort housekeeping is finished + accept TC_Abort_Process_Complete; + + TC_State.Set_Intermediate_Complete; + + exception + when others => + Report.Failed ("Unexpected exception in Intermediate task"); + end Intermediate; + + + task body Receiver is + begin + loop + select + -- A call to Input will be placed on the queue and never serviced + when Report.Equal (1,2) => -- Always false + accept Input do + Report.Failed ("Receiver in Accept"); + end Input; + or + delay ImpDef.Minimum_Task_Switch; + end select; + end loop; + exception + when others => + Report.Failed ("Unexpected Exception in Receiver Task"); + + end Receiver; + + +begin + + Report.Test ("C954018", "Requeue: abort the called task" & + " while Caller is still queued"); + + Original_Caller.Start; + + + -- This is the main part of the test + + -- Wait for the requeue + while not TC_State.On_Entry_Queue loop + delay ImpDef.Minimum_Task_Switch; + end loop; + + -- Delay long enough to ensure that the requeue has "arrived" on + -- the entry queue. Note: TC_State.Set_On_Entry_Queue is called the + -- statement before the requeue + -- + delay ImpDef.Switch_To_New_Task; + + -- At this point the Receiver is guaranteed to have the requeue on + -- the entry queue + -- + abort Receiver; + + -- Wait for the whole of the abort process to complete + while not ( Original_Caller'terminated and Receiver'terminated ) loop + delay ImpDef.Minimum_Task_Switch; + end loop; + + + -- Inform the Intermediate task that the process is complete to allow + -- it to continue to completion itself + Intermediate.TC_Abort_Process_Complete; + + -- Wait for everything to settle before reporting the result + while not ( Intermediate'terminated ) loop + delay ImpDef.Minimum_Task_Switch; + end loop; + + + if not ( TC_State.Original_Caller_Complete and + TC_State.Intermediate_Complete ) then + Report.Failed ("Proper paths not traversed"); + end if; + + Report.Result; + +end C954018; |