psxtmtests/psxtmcond03/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[] = "PSXTMCOND 03";
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 pthread_cond_t CondID;
0048
0049 void *Blocker(
0050   void *argument
0051 )
0052 {
0053   int status;
0054
0055   status = pthread_mutex_lock(&MutexID);
0056   rtems_test_assert( status == 0 );
0057
0058   /* Unlock mutex, block, wait for CondID to be signaled */
0059   pthread_cond_wait(&CondID,&MutexID);
0060
0061  /* should never return */
0062   rtems_test_assert( FALSE );
0063
0064   return NULL;
0065 }
0066
0067 void *POSIX_Init(
0068   void *argument
0069 )
0070 {
0071   int        status;
0072   pthread_t  threadId;
0073   uint32_t   end_time;
0074   struct sched_param param;
0075   int policy;
0076
0077   TEST_BEGIN();
0078
0079   status = pthread_create( &threadId, NULL, Blocker, NULL );
0080   rtems_test_assert( status == 0 );
0081
0082   status = pthread_mutex_init(&MutexID, NULL);
0083   rtems_test_assert( status == 0 );
0084
0085   status = pthread_cond_init(&CondID, NULL); /* Create condition variable */
0086   rtems_test_assert( status == 0 );
0087
0088   /*
0089    * Let the other thread start so the thread startup overhead,
0090    * is accounted for.  When we return, we can start the benchmark.
0091    */
0092   sched_yield();
0093     /* let other thread run */
0094
0095   /* To be extra sure we don't get preempted on the signal */
0096   status = pthread_getschedparam(pthread_self(), &policy, &param);
0097   rtems_test_assert( status == 0);
0098   param.sched_priority = sched_get_priority_max(policy) - 1;
0099   status = pthread_setschedparam(pthread_self(), policy, &param);
0100   rtems_test_assert( status == 0);
0101
0102   benchmark_timer_initialize();
0103   status = pthread_cond_signal(&CondID);
0104   end_time = benchmark_timer_read();
0105   rtems_test_assert( status == 0 );
0106
0107   put_time(
0108     "pthread_cond_signal: thread waiting no preempt",
0109     end_time,
0110     1,
0111     0,
0112     0
0113   );
0114
0115   TEST_END();
0116   rtems_test_exit( 0 );
0117
0118   return NULL;
0119 }
0120
0121 /* configuration information */
0122
0123 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0124 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0125
0126 #define CONFIGURE_MAXIMUM_POSIX_THREADS     2
0127 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0128
0129 #define CONFIGURE_INIT
0130
0131 #include <rtems/confdefs.h>
0132   /* end of file */