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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /*
  *  COPYRIGHT (c) 1989-2013.
  *  On-Line Applications Research Corporation (OAR).
  *
  * 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.
  */
 
 #if !defined(OPERATION_COUNT)
 #define OPERATION_COUNT 100
 #endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <rtems/btimer.h>
 
 #define CONFIGURE_INIT
 #include "system.h"
 
 const char rtems_test_name[] = "TIME TEST 15";
 
 bool     time_set;
 uint32_t eventout;
 
 rtems_task High_tasks(
   rtems_task_argument argument
 );
 
 rtems_task Low_task(
   rtems_task_argument argument
 );
 
 void test_init(void);
 
 rtems_task Init(
   rtems_task_argument argument
 )
 {
   Print_Warning();
 
   TEST_BEGIN();
 
   test_init();
 
   rtems_task_exit();
 }
 
 void test_init(void)
 {
   rtems_id          id;
   uint32_t    index;
   rtems_event_set   event_out;
   rtems_status_code status;
 
   time_set = false;
 
   status = rtems_task_create(
     rtems_build_name( 'L', 'O', 'W', ' ' ),
     10,
     RTEMS_MINIMUM_STACK_SIZE,
     RTEMS_NO_PREEMPT,
     RTEMS_DEFAULT_ATTRIBUTES,
     &id
   );
   directive_failed( status, "rtems_task_create LOW" );
 
   status = rtems_task_start( id, Low_task, 0 );
   directive_failed( status, "rtems_task_start LOW" );
 
   for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) {
     status = rtems_task_create(
       rtems_build_name( 'H', 'I', 'G', 'H' ),
       5,
       RTEMS_MINIMUM_STACK_SIZE,
       RTEMS_DEFAULT_MODES,
       RTEMS_DEFAULT_ATTRIBUTES,
       &Task_id[ index ]
     );
     directive_failed( status, "rtems_task_create LOOP" );
 
     status = rtems_task_start( Task_id[ index ], High_tasks, 0 );
     directive_failed( status, "rtems_task_start LOOP" );
   }
 
   benchmark_timer_initialize();
     for ( index=1 ; index <= OPERATION_COUNT ; index++ )
       (void) benchmark_timer_empty_function();
   overhead = benchmark_timer_read();
 
   benchmark_timer_initialize();
     for ( index=1 ; index <= OPERATION_COUNT ; index++ )
     {
         (void) rtems_event_receive(
                  RTEMS_PENDING_EVENTS,
                  RTEMS_DEFAULT_OPTIONS,
                  RTEMS_NO_TIMEOUT,
                  &event_out
                );
     }
 
   end_time = benchmark_timer_read();
 
   put_time(
     "rtems_event_receive: obtain current events",
     end_time,
     OPERATION_COUNT,
     overhead,
     0
   );
 
 
   benchmark_timer_initialize();
     for ( index=1 ; index <= OPERATION_COUNT ; index++ )
     {
       (void) rtems_event_receive(
                RTEMS_ALL_EVENTS,
                RTEMS_NO_WAIT,
                RTEMS_NO_TIMEOUT,
                &event_out
              );
     }
   end_time = benchmark_timer_read();
 
   put_time(
     "rtems_event_receive: not available NO_WAIT",
     end_time,
     OPERATION_COUNT,
     overhead,
     0
   );
 }
 
 rtems_task Low_task(
   rtems_task_argument argument
 )
 {
   uint32_t    index;
   rtems_event_set   event_out;
 
   end_time = benchmark_timer_read();
 
   put_time(
     "rtems_event_receive: not available caller blocks",
     end_time,
     OPERATION_COUNT,
     0,
     0
   );
 
   benchmark_timer_initialize();
     for ( index=1 ; index <= OPERATION_COUNT ; index++ )
       (void) benchmark_timer_empty_function();
   overhead = benchmark_timer_read();
 
   benchmark_timer_initialize();
     for ( index=1 ; index <= OPERATION_COUNT ; index++ )
       (void) rtems_event_send( RTEMS_SELF, RTEMS_EVENT_16 );
   end_time = benchmark_timer_read();
 
   put_time(
     "rtems_event_send: no task readied",
     end_time,
     OPERATION_COUNT,
     overhead,
     0
   );
 
   benchmark_timer_initialize();
     (void) rtems_event_receive(
              RTEMS_EVENT_16,
              RTEMS_DEFAULT_OPTIONS,
              RTEMS_NO_TIMEOUT,
              &event_out
            );
   end_time = benchmark_timer_read();
 
   put_time(
     "rtems_event_receive: available",
     end_time,
     1,
     0,
     0
   );
 
   benchmark_timer_initialize();
     for ( index=1 ; index <= OPERATION_COUNT ; index++ )
       (void) rtems_event_send( Task_id[ index ], RTEMS_EVENT_16 );
   end_time = benchmark_timer_read();
 
   put_time(
     "rtems_event_send: task readied returns to caller",
     end_time,
     OPERATION_COUNT,
     overhead,
     0
   );
 
   TEST_END();
   rtems_test_exit( 0 );
 }
 
 rtems_task High_tasks(
   rtems_task_argument argument
 )
 {
   if ( time_set )
     (void) rtems_event_receive(
       RTEMS_EVENT_16,
       RTEMS_DEFAULT_OPTIONS,
       RTEMS_NO_TIMEOUT,
       &eventout
     );
   else {
     time_set = true;
     /* start blocking rtems_event_receive time */
     benchmark_timer_initialize();
     (void) rtems_event_receive(
       RTEMS_EVENT_16,
       RTEMS_DEFAULT_OPTIONS,
       RTEMS_NO_TIMEOUT,
       &eventout
     );
   }
 }

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