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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.
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <errno.h>
 #include <timesys.h>
 #include <rtems/btimer.h>
 #include <pthread.h>
 #include "test_support.h"
 
 const char rtems_test_name[] = "PSXTMRWLOCK 01";
 
 /* forward declarations to avoid warnings */
 void *POSIX_Init(void *argument);
 
 pthread_rwlock_t     rwlock;
 
 static void benchmark_pthread_rwlock_init(void)
 {
   benchmark_timer_t end_time;
   int  status;
   pthread_rwlockattr_t attr;
 
   pthread_rwlockattr_init( &attr );
   benchmark_timer_initialize();
     status = pthread_rwlock_init( &rwlock, &attr );
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "pthread_rwlock_init: only case",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 
 }
 
 static void benchmark_pthread_rwlock_rdlock(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_rdlock(&rwlock);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "pthread_rwlock_rdlock: available",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 
 }
 
 static void benchmark_pthread_rwlock_unlock(int print)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_unlock(&rwlock);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
   if ( print == 1 ){
     put_time(
       "pthread_rwlock_unlock: available",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   }
 }
 
 static void benchmark_pthread_rwlock_tryrdlock(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_tryrdlock(&rwlock);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 || status == EBUSY );
   if (status == EBUSY) {
     put_time(
       "pthread_rwlock_tryrdlock: not available",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   } else if (status == 0) {
     put_time(
       "pthread_rwlock_tryrdlock: available",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   }
 }
 
 static void benchmark_pthread_rwlock_timedrdlock(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_timedrdlock(&rwlock, 0);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "pthread_rwlock_timedrdlock: available",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 
 }
 
 static void benchmark_pthread_rwlock_wrlock(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_wrlock(&rwlock);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "pthread_rwlock_wrlock: available",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 
 }
 
 static void benchmark_pthread_rwlock_trywrlock(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_trywrlock(&rwlock);
   end_time = benchmark_timer_read();
 
   rtems_test_assert( status == 0 || status == EBUSY );
   if ( status == EBUSY ) {
     put_time(
       "pthread_rwlock_trywrlock: not available ",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   } else if ( status == 0 ) {
     put_time(
       "pthread_rwlock_trywrlock: available",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   }
 }
 
 static void benchmark_pthread_rwlock_timedwrlock(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_timedwrlock(&rwlock,0);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "pthread_rwlock_timedwrlock: available",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 static void benchmark_pthread_rwlock_destroy(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = pthread_rwlock_destroy(&rwlock);
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "pthread_rwlock_destroy: only case",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 void *POSIX_Init(
   void *argument
 )
 {
 
   TEST_BEGIN();
 
   /* initializing rwlock */
   benchmark_pthread_rwlock_init();
   /* applying a read lock */
   benchmark_pthread_rwlock_rdlock();
   /* unlocking rwlock */
   benchmark_pthread_rwlock_unlock(0);
   /* trying to apply a read lock when it is available*/
   benchmark_pthread_rwlock_tryrdlock();
   /* unlocking rwlock */
   benchmark_pthread_rwlock_unlock(0);
   /* applying a timed read lock */
   benchmark_pthread_rwlock_timedrdlock();
   /* unlocking rwlock */
   benchmark_pthread_rwlock_unlock(0);
   /* applying a write lock */
   benchmark_pthread_rwlock_wrlock();
   /* trying to get read lock, when is not available*/
   benchmark_pthread_rwlock_tryrdlock();
   /* unlocking rwlock */
   benchmark_pthread_rwlock_unlock(0);
   /* trying to apply a write lock, when it is available*/
   benchmark_pthread_rwlock_trywrlock();
   /* trying to get write lock, when it is not available*/
   benchmark_pthread_rwlock_trywrlock();
   /* unlocking rwlock */
   benchmark_pthread_rwlock_unlock(0);
   /* applying a timed write lock */
   benchmark_pthread_rwlock_timedwrlock();
   /* unlocking rwlock */
   benchmark_pthread_rwlock_unlock(1);
   /* destroying rwlock */
   benchmark_pthread_rwlock_destroy();
 
   TEST_END();
 
   rtems_test_exit(0);
 }
 
 /* configuration information */
 
 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
 
 #define CONFIGURE_MAXIMUM_POSIX_THREADS     1
 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
 
 #define CONFIGURE_INIT
 
 #include <rtems/confdefs.h>
 /* end of file */

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