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File indexing completed on 2025-05-11 08:24:41

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002 
0003 /*
0004  *  COPYRIGHT (c) 1989-2013.
0005  *  On-Line Applications Research Corporation (OAR).
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028 
0029 #if !defined(OPERATION_COUNT)
0030 #define OPERATION_COUNT 100
0031 #endif
0032 
0033 #ifdef HAVE_CONFIG_H
0034 #include "config.h"
0035 #endif
0036 
0037 #include <tmacros.h>
0038 #include <timesys.h>
0039 #include "test_support.h"
0040 #include <pthread.h>
0041 #include <sched.h>
0042 #include <rtems/btimer.h>
0043 
0044 const char rtems_test_name[] = "PSXTMBARRIER 03";
0045 
0046 /* forward declarations to avoid warnings */
0047 void *POSIX_Init(void *argument);
0048 void *Blocker(void *argument);
0049 
0050 #define N  2
0051 pthread_barrier_t     barrier;
0052 
0053 void *Blocker(
0054   void *argument
0055 )
0056 {
0057   (void) pthread_barrier_wait( &barrier );
0058   rtems_test_assert( FALSE );
0059   return NULL;
0060 }
0061 
0062 void *POSIX_Init(
0063   void *argument
0064 )
0065 {
0066   int        status;
0067   pthread_t  threadId;
0068   benchmark_timer_t end_time;
0069 
0070   TEST_BEGIN();
0071 
0072   status = pthread_create( &threadId, NULL, Blocker, NULL );
0073   rtems_test_assert( status == 0 );
0074 
0075   /*
0076    * Deliberately create the barrier after the threads.  This way if the
0077    * threads do run before we intend, they will get an error.
0078    * The barrier will be released on the Nth thread blocking.
0079    */
0080   status = pthread_barrier_init( &barrier, NULL, N );
0081   rtems_test_assert( status == 0 );
0082 
0083   /*
0084    * Let the other thread start so the thread startup overhead,
0085    * is accounted for.  When we return, we can start the benchmark.
0086    */
0087   sched_yield();
0088     /* let other thread run */
0089 
0090   /*
0091    * Because this is the Nth thread at the barrier, this is an
0092    * unblocking operation.
0093    */
0094   benchmark_timer_initialize();
0095   status = pthread_barrier_wait( &barrier );
0096   end_time = benchmark_timer_read();
0097   /*
0098    * Upon successful completion return value, the status should be
0099    * PTHREAD_BARRIER_SERIAL_THREAD.
0100    */
0101   rtems_test_assert( status == PTHREAD_BARRIER_SERIAL_THREAD );
0102 
0103   put_time(
0104     "pthread_barrier_wait: releasing no preempt",
0105     end_time,
0106     1,
0107     0,
0108     0
0109   );
0110 
0111   TEST_END();
0112   rtems_test_exit( 0 );
0113 
0114   return NULL;
0115 }
0116 
0117 /* configuration information */
0118 
0119 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0120 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0121 
0122 #define CONFIGURE_MAXIMUM_POSIX_THREADS     2
0123 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0124 
0125 #define CONFIGURE_INIT
0126 
0127 #include <rtems/confdefs.h>
0128 /* end of file */