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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /**
  * @file
  *
  * @ingroup ScoreTqValTq
  */
 
 /*
  * Copyright (C) 2022 embedded brains GmbH & Co. KG
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
  * This file is part of the RTEMS quality process and was automatically
  * generated.  If you find something that needs to be fixed or
  * worded better please post a report or patch to an RTEMS mailing list
  * or raise a bug report:
  *
  * https://www.rtems.org/bugs.html
  *
  * For information on updating and regenerating please refer to the How-To
  * section in the Software Requirements Engineering chapter of the
  * RTEMS Software Engineering manual.  The manual is provided as a part of
  * a release.  For development sources please refer to the online
  * documentation at:
  *
  * https://docs.rtems.org
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "tx-support.h"
 #include "tx-thread-queue.h"
 
 #include <rtems/test.h>
 
 /**
  * @defgroup ScoreTqValTq spec:/score/tq/val/tq
  *
  * @ingroup TestsuitesValidationNoClock0
  *
  * @brief Tests special thread queue behaviour.
  *
  * This test case performs the following actions:
  *
  * - Use two worker threads to provoke a deadlock detection involving a thread
  *   queue with no owner.
  *
  *   - Let blocker A obtain mutex A.
  *
  *   - Let blocker A block on a counting semaphore.
  *
  *   - Let blocker B block on mutex A.  The deadlock detection will stop since
  *     blocker A blocks on the counting semaphore which has no owner.
  *
  *   - Clean up all used resources.
  *
  * @{
  */
 
 /**
  * @brief Test context for spec:/score/tq/val/tq test case.
  */
 typedef struct {
   /**
    * @brief This member contains the thread queue test context.
    */
   TQContext tq_ctx;
 } ScoreTqValTq_Context;
 
 static ScoreTqValTq_Context
   ScoreTqValTq_Instance;
 
 static void ScoreTqValTq_Setup( ScoreTqValTq_Context *ctx )
 {
   rtems_status_code sc;
 
   SetSelfPriority( PRIO_NORMAL );
   TQInitialize( &ctx->tq_ctx );
 
   /* Replace mutex D with a counting semaphore */
   DeleteMutex( ctx->tq_ctx.mutex_id[ TQ_MUTEX_D ] );
   sc = rtems_semaphore_create(
     rtems_build_name( 'C', 'S', 'E', 'M' ),
     0,
     RTEMS_COUNTING_SEMAPHORE | RTEMS_PRIORITY,
     0,
     &ctx->tq_ctx.mutex_id[ TQ_MUTEX_D ]
   );
   T_rsc_success( sc );
 }
 
 static void ScoreTqValTq_Setup_Wrap( void *arg )
 {
   ScoreTqValTq_Context *ctx;
 
   ctx = arg;
   ScoreTqValTq_Setup( ctx );
 }
 
 static void ScoreTqValTq_Teardown( ScoreTqValTq_Context *ctx )
 {
   TQDestroy( &ctx->tq_ctx );
   RestoreRunnerPriority();
 }
 
 static void ScoreTqValTq_Teardown_Wrap( void *arg )
 {
   ScoreTqValTq_Context *ctx;
 
   ctx = arg;
   ScoreTqValTq_Teardown( ctx );
 }
 
 static T_fixture ScoreTqValTq_Fixture = {
   .setup = ScoreTqValTq_Setup_Wrap,
   .stop = NULL,
   .teardown = ScoreTqValTq_Teardown_Wrap,
   .scope = NULL,
   .initial_context = &ScoreTqValTq_Instance
 };
 
 /**
  * @brief Use two worker threads to provoke a deadlock detection involving a
  *   thread queue with no owner.
  */
 static void ScoreTqValTq_Action_0( ScoreTqValTq_Context *ctx )
 {
   TQReset( &ctx->tq_ctx );
 
   /*
    * Let blocker A obtain mutex A.
    */
   TQSend( &ctx->tq_ctx, TQ_BLOCKER_A, TQ_EVENT_MUTEX_A_OBTAIN );
 
   /*
    * Let blocker A block on a counting semaphore.
    */
   TQSend( &ctx->tq_ctx, TQ_BLOCKER_A, TQ_EVENT_MUTEX_D_OBTAIN );
 
   /*
    * Let blocker B block on mutex A.  The deadlock detection will stop since
    * blocker A blocks on the counting semaphore which has no owner.
    */
   TQSend( &ctx->tq_ctx, TQ_BLOCKER_B, TQ_EVENT_MUTEX_A_OBTAIN );
 
   /*
    * Clean up all used resources.
    */
   TQMutexRelease( &ctx->tq_ctx, TQ_MUTEX_D );
   TQSend( &ctx->tq_ctx, TQ_BLOCKER_A, TQ_EVENT_MUTEX_A_RELEASE );
   TQSend( &ctx->tq_ctx, TQ_BLOCKER_B, TQ_EVENT_MUTEX_A_RELEASE );
 }
 
 /**
  * @fn void T_case_body_ScoreTqValTq( void )
  */
 T_TEST_CASE_FIXTURE( ScoreTqValTq, &ScoreTqValTq_Fixture )
 {
   ScoreTqValTq_Context *ctx;
 
   ctx = T_fixture_context();
 
   ScoreTqValTq_Action_0( ctx );
 }
 
 /** @} */

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