Back to home page

LXR

 
 

    


File indexing completed on 2025-05-11 08:24:42

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[] = "PSXTMTHREAD 03";
0041 
0042 /* forward declarations to avoid warnings */
0043 void *POSIX_Init(void *argument);
0044 void *Middle(void *argument);
0045 void *Low(void *argument);
0046 
0047 void *Low(
0048   void *argument
0049 )
0050 {
0051   benchmark_timer_t end_time;
0052 
0053   /*
0054    * Now we have finished the thread startup overhead,
0055    * so let other threads run.  When we return, we can
0056    * finish the benchmark.
0057    */
0058   sched_yield();
0059     /* let other threads run */
0060 
0061   end_time = benchmark_timer_read();
0062 
0063   put_time(
0064     "pthread_exit: only case",
0065     end_time,
0066     OPERATION_COUNT,
0067     0,
0068     0
0069   );
0070 
0071   TEST_END();
0072   rtems_test_exit( 0 );
0073   return NULL;
0074 }
0075 
0076 void *Middle(
0077   void *argument
0078 )
0079 {
0080   /*
0081    * Now we have finished the thread startup overhead,
0082    * so let other threads run.  When we return, we can
0083    * finish the benchmark.
0084    */
0085   sched_yield();
0086     /* let other threads run */
0087 
0088   pthread_exit( NULL );
0089   return NULL;
0090 }
0091 
0092 void *POSIX_Init(
0093   void *argument
0094 )
0095 {
0096   int        i;
0097   int        status;
0098   pthread_t  threadId;
0099 
0100   TEST_BEGIN();
0101 
0102   for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) {
0103     status = pthread_create( &threadId, NULL, Middle, NULL );
0104     rtems_test_assert( !status );
0105   }
0106   
0107   status = pthread_create( &threadId, NULL, Low, NULL );
0108   rtems_test_assert( !status );
0109 
0110   /*
0111    * Let the other threads start so the thread startup overhead,
0112    * is accounted for.  When we return, we can start the benchmark.
0113    */
0114   sched_yield();
0115     /* let other threads run */
0116 
0117   /* start the timer and switch through all the other tasks */
0118   benchmark_timer_initialize();
0119   pthread_exit( NULL );
0120   return NULL;
0121 }
0122 
0123 /* configuration information */
0124 
0125 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0126 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0127 
0128 #define CONFIGURE_MAXIMUM_POSIX_THREADS     OPERATION_COUNT + 2
0129 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0130 
0131 #define CONFIGURE_INIT
0132 
0133 #include <rtems/confdefs.h>
0134   /* end of file */