psxtmtests/psxtmmutex05/init.c

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 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032
0033 #include <tmacros.h>
0034 #include <timesys.h>
0035 #include "test_support.h"
0036 #include <pthread.h>
0037 #include <sched.h>
0038 #include <rtems/btimer.h>
0039
0040 const char rtems_test_name[] = "PSXTMMUTEX 05";
0041
0042 /* forward declarations to avoid warnings */
0043 void *POSIX_Init(void *argument);
0044 void *Blocker(void *argument);
0045
0046 pthread_mutex_t MutexId;
0047
0048 void *Blocker(
0049   void *argument
0050 )
0051 {
0052   (void) pthread_mutex_lock( &MutexId );
0053   /* should never return */
0054   rtems_test_assert( FALSE );
0055
0056   return NULL;
0057 }
0058
0059 void *POSIX_Init(
0060   void *argument
0061 )
0062 {
0063   int        status;
0064   pthread_t  threadId;
0065   benchmark_timer_t end_time;
0066
0067   TEST_BEGIN();
0068
0069   status = pthread_create( &threadId, NULL, Blocker, NULL );
0070   rtems_test_assert( status == 0 );
0071
0072   /*
0073    * Deliberately create the mutex after the threads.  This way if the
0074    * threads do run before we intend, they will get an error.
0075    */
0076   status = pthread_mutex_init( &MutexId, NULL );
0077   rtems_test_assert( status == 0 );
0078
0079   /*
0080    * Ensure the mutex is unavailable so the other threads block.
0081    */
0082   status = pthread_mutex_lock( &MutexId );
0083   rtems_test_assert( status == 0 );
0084
0085   /*
0086    * Let the other thread start so the thread startup overhead,
0087    * is accounted for.  When we return, we can start the benchmark.
0088    */
0089   sched_yield();
0090     /* let other thread run */
0091
0092   benchmark_timer_initialize();
0093     status = pthread_mutex_unlock( &MutexId );
0094   end_time = benchmark_timer_read();
0095   rtems_test_assert( status == 0 );
0096
0097   put_time(
0098     "pthread_mutex_unlock: unblocking no preemption",
0099     end_time,
0100     1,
0101     0,
0102     0
0103   );
0104
0105   TEST_END();
0106   rtems_test_exit( 0 );
0107
0108   return NULL;
0109 }
0110
0111 /* configuration information */
0112
0113 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0114 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0115
0116 #define CONFIGURE_MAXIMUM_POSIX_THREADS     2
0117 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0118
0119 #define CONFIGURE_INIT
0120
0121 #include <rtems/confdefs.h>
0122   /* end of file */