psxtmtests/psxtmcond04/init.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  COPYRIGHT (c) 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 04";
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
0054   uint32_t end_time;
0055   struct   sched_param param;
0056   int      policy;
0057   int      status;
0058
0059   status = pthread_mutex_lock(&MutexID);
0060   rtems_test_assert( status == 0 );
0061   status = pthread_getschedparam(pthread_self(), &policy, &param);
0062   rtems_test_assert( status == 0 );
0063   param.sched_priority = sched_get_priority_max(policy) - 1;
0064   status = pthread_setschedparam(pthread_self(), policy, &param);
0065   /* Thread blocks, unlocks mutex, waits for CondID to be signaled */
0066   pthread_cond_wait(&CondID,&MutexID);
0067
0068   /* Once signaled, this thread preempts POSIX_Init thread */
0069   end_time = benchmark_timer_read();
0070   put_time(
0071     "pthread_cond_signal: thread waiting preempt",
0072     end_time,
0073     1,
0074     0,
0075     0
0076   );
0077   TEST_END();
0078   rtems_test_exit( 0 );
0079   return NULL;
0080 }
0081
0082 void *POSIX_Init(
0083   void *argument
0084 )
0085 {
0086   int        status;
0087   pthread_t  threadId;
0088
0089   TEST_BEGIN();
0090
0091   status = pthread_create( &threadId, NULL, Blocker, NULL );
0092   rtems_test_assert( status == 0 );
0093
0094   status = pthread_mutex_init(&MutexID, NULL);
0095   rtems_test_assert( status == 0 );
0096
0097   status = pthread_cond_init(&CondID, NULL); /* Create condition variable */
0098   rtems_test_assert( status == 0 );
0099
0100   /*
0101    * Let the other thread start so the thread startup overhead,
0102    * is accounted for.  When we return, we can start the benchmark.
0103    */
0104   sched_yield();
0105   /* let other thread run */
0106
0107   /* Other thread is blocked and waiting on condition to be signaled */
0108   benchmark_timer_initialize();
0109   status = pthread_cond_signal(&CondID);
0110   rtems_test_assert ( status == 0 );
0111   return NULL;
0112 }
0113
0114 /* configuration information */
0115
0116 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0117 #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
0118
0119 #define CONFIGURE_MAXIMUM_POSIX_THREADS     2
0120 #define CONFIGURE_POSIX_INIT_THREAD_TABLE
0121
0122 #define CONFIGURE_INIT
0123
0124 #include <rtems/confdefs.h>
0125   /* end of file */