psxtmtests/psxtmmutex04/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 <timesys.h>
0034 #include <tmacros.h>
0035 #include <rtems/btimer.h>
0036 #include "test_support.h"
0037
0038 #include <pthread.h>
0039 #include <sched.h>
0040
0041 const char rtems_test_name[] = "PSXTMMUTEX 04";
0042
0043 /* forward declarations to avoid warnings */
0044 void *POSIX_Init(void *argument);
0045 void *Middle(void *argument);
0046 void *Low(void *argument);
0047
0048 pthread_mutex_t MutexId;
0049
0050 void *Low(
0051   void *argument
0052 )
0053 {
0054   benchmark_timer_t end_time;
0055
0056   /*
0057    * Now we have finished the thread startup overhead,
0058    * so let other threads run.  When we return, we can
0059    * finish the benchmark.
0060    */
0061   sched_yield();
0062     /* let other threads run */
0063
0064   end_time = benchmark_timer_read();
0065
0066   put_time(
0067     "pthread_mutex_timedlock: not available block",
0068     end_time,
0069     OPERATION_COUNT,
0070     0,
0071     0
0072   );
0073
0074   TEST_END();
0075
0076   rtems_test_exit( 0 );
0077   return NULL;
0078 }
0079
0080 void *Middle(
0081   void *argument
0082 )
0083 {
0084   int status;
0085
0086   /*
0087    * Now we have finished the thread startup overhead,
0088    * so let other threads run.  When we return, we can
0089    * finish the benchmark.
0090    */
0091   sched_yield();
0092     /* let other threads run */
0093
0094   status = pthread_mutex_lock( &MutexId);
0095   rtems_test_assert( !status );  /*this is important*/
0096
0097   return NULL;
0098 }
0099
0100 void *POSIX_Init(
0101   void *argument
0102 )
0103 {
0104   int        i;
0105   int        status;
0106   pthread_t  threadId;
0107
0108   TEST_BEGIN();
0109
0110   for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) {
0111     status = pthread_create( &threadId, NULL, Middle, NULL );
0112     rtems_test_assert( !status );
0113   }
0114
0115   status = pthread_create( &threadId, NULL, Low, NULL );
0116   rtems_test_assert( !status );
0117
0118   /*
0119    * Deliberately create the mutex after the threads.  This way if the
0120    * threads do run before we intend, they will get an error.
0121    */
0122   status = pthread_mutex_init( &MutexId, NULL );
0123   rtems_test_assert( !status );
0124
0125   /*
0126    * Let the other threads start so the thread startup overhead,
0127    * is accounted for.  When we return, we can start the benchmark.
0128    */
0129   sched_yield();
0130     /* let other threads run */
0131
0132   /* start the timer and switch through all the other tasks */
0133   benchmark_timer_initialize();
0134   status = pthread_mutex_timedlock( &MutexId, 0 );
0135   rtems_test_assert( !status );
0136
0137   return NULL;
0138 }
0139
0140 /* configuration information */
0141
0142 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0143 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0144
0145 #define CONFIGURE_MAXIMUM_POSIX_THREADS     OPERATION_COUNT + 2
0146 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0147
0148 #define CONFIGURE_INIT
0149
0150 #include <rtems/confdefs.h>
0151 /* end of file */