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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 <fcntl.h>
 #include <semaphore.h>
 #include <tmacros.h>
 #include <timesys.h>
 #include <rtems/btimer.h>
 #include "test_support.h"
 
 const char rtems_test_name[] = "PSXTMSEM 01";
 
 /* forward declarations to avoid warnings */
 void *POSIX_Init(void *argument);
 
 #define MAX_SEMS  2
 
 sem_t           sem1;
 sem_t           *n_sem1;
 sem_t           *n_sem2;
 
 static void benchmark_sem_init(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = sem_init( &sem1, 0, 1 );
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "sem_init: only case",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 static void benchmark_sem_destroy(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = sem_destroy( &sem1 );
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "sem_destroy: only case",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 static void benchmark_sem_open(bool report_time)
 {
   benchmark_timer_t end_time;
 
   benchmark_timer_initialize();
     n_sem1 = sem_open( "sem1", O_CREAT, 0777, 1 );
   end_time = benchmark_timer_read();
 
   if ( report_time ) {
     put_time(
       "sem_open: first open O_CREAT",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   }
 }
 
 static void benchmark_sem_close(bool report_time)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = sem_close( n_sem1 );
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   if ( report_time ) {
     put_time(
       "sem_close: named first/nested close",
       end_time,
       1,        /* Only executed once */
       0,
       0
     );
   }
 }
 
 static void benchmark_sem_unlink(const char *message)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = sem_unlink( "sem1" );
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     message,
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 static void benchmark_sem_open_second(void)
 {
   benchmark_timer_t end_time;
 
   benchmark_timer_initialize();
     n_sem2 = sem_open( "sem1", O_EXCL, 0777, 1 );
   end_time = benchmark_timer_read();
 
   put_time(
     "sem_open: second open O_EXCL",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 static void benchmark_sem_close_second(void)
 {
   benchmark_timer_t end_time;
   int  status;
 
   benchmark_timer_initialize();
     status = sem_close( n_sem2 );
   end_time = benchmark_timer_read();
   rtems_test_assert( status == 0 );
 
   put_time(
     "sem_close: named second close",
     end_time,
     1,        /* Only executed once */
     0,
     0
   );
 }
 
 void *POSIX_Init(void *argument)
 {
 
   TEST_BEGIN();
 
   /* creating unnamed semaphore */
   benchmark_sem_init();
   /* destroying unnamed semaphore */
   benchmark_sem_destroy();
 
   /* opening named semaphore first time o_flag = O_CREAT */
   benchmark_sem_open(true);
   /* opening named semaphore second time o_flag = O_EXCL */
   benchmark_sem_open_second();
   /* close named semaphore first time  -- does not delete */
   benchmark_sem_close(true);
   /* unlink named semaphore -- does not delete */
   benchmark_sem_unlink("sem_unlink: does not delete");
   /*  close semaphore the second time, this actually deletes it */
   benchmark_sem_close_second();
 
   /* recrate named semaphore first time o_flag = O_CREAT */
   benchmark_sem_open(false);
   benchmark_sem_close(false);
   benchmark_sem_unlink("sem_unlink: deletes semaphore");
 
   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_MAXIMUM_POSIX_SEMAPHORES  MAX_SEMS
 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
 
 #define CONFIGURE_INIT
 
 #include <rtems/confdefs.h>
 /* end of file */

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