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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 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032 
0033 #include <timesys.h>
0034 #include <pthread.h>
0035 #include <sched.h>
0036 #include <rtems/btimer.h>
0037 #include "test_support.h"
0038 
0039 const char rtems_test_name[] = "PSXTMTHREAD 02";
0040 
0041 /* forward declarations to avoid warnings */
0042 void *POSIX_Init(void *argument);
0043 void benchmark_pthread_create(void);
0044 void *thread(void *argument);
0045 
0046 void benchmark_pthread_create(void)
0047 {
0048   int  status;
0049   pthread_t thread_ID;
0050   pthread_attr_t attr;
0051   struct sched_param param;
0052 
0053   status = pthread_attr_init(&attr);
0054   rtems_test_assert( status == 0 );
0055 
0056   status = pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
0057   rtems_test_assert( status == 0 );
0058 
0059   status = pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
0060   rtems_test_assert( status == 0 );
0061 
0062   param.sched_priority = sched_get_priority_max(SCHED_FIFO) - 1;
0063   status = pthread_attr_setschedparam(&attr, &param);
0064   rtems_test_assert( status == 0 );
0065 
0066   /* create second thread with max priority and get preempted on creation */
0067   benchmark_timer_initialize();
0068   status = pthread_create(&thread_ID, &attr, thread, NULL);
0069 }
0070 
0071 void *thread(
0072   void *argument
0073 )
0074 {
0075   uint32_t end_time;
0076 
0077   end_time = benchmark_timer_read();
0078   put_time(
0079     "pthread_create: preempt",
0080     end_time,
0081     1,        /* Only executed once */
0082     0,
0083     0
0084   );
0085   return NULL;
0086 }
0087 
0088 void *POSIX_Init(
0089   void *argument
0090 )
0091 {
0092 
0093   TEST_BEGIN();
0094 
0095   benchmark_pthread_create();
0096 
0097   TEST_END();
0098   rtems_test_exit(0);
0099 }
0100 
0101 /* configuration information */
0102 
0103 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0104 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0105 
0106 #define CONFIGURE_MAXIMUM_POSIX_THREADS     2
0107 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0108 
0109 #define CONFIGURE_INIT
0110 
0111 #include <rtems/confdefs.h>
0112 /* end of file */