rtems/testsuites/psxtmtests/psxtmrwlock01/init.c

/* 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_clockrdlock( void )
{
  benchmark_timer_t end_time;
  int               status;

  benchmark_timer_initialize();
  status = pthread_rwlock_clockrdlock( &rwlock, CLOCK_MONOTONIC, 0 );
  end_time = benchmark_timer_read();
  rtems_test_assert( status == 0 );

  put_time(
    "pthread_rwlock_clockrdlock: 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_clockwrlock( void )
{
  benchmark_timer_t end_time;
  int               status;

  benchmark_timer_initialize();
  status = pthread_rwlock_clockwrlock( &rwlock, CLOCK_MONOTONIC, 0 );
  end_time = benchmark_timer_read();
  rtems_test_assert( status == 0 );

  put_time(
    "pthread_rwlock_clockwrlock: 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 )
{
  (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 clock read lock */
  benchmark_pthread_rwlock_clockrdlock();
  /* 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( 0 );
  /* applying a clock write lock */
  benchmark_pthread_rwlock_clockwrlock();
  /* 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 */