source: rtems/testsuites/psxtmtests/psxtmcond07/init.c @ 8fbe2e6

/*
 *  COPYRIGHT (c) 1989-2013.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <coverhd.h>
#include <tmacros.h>
#include <timesys.h>
#include "test_support.h"
#include <pthread.h>
#include <sched.h>
#include <rtems/btimer.h>

#define N 1

const char rtems_test_name[] = "PSXTMCOND 07";

/* forward declarations to avoid warnings */
void *POSIX_Init(void *argument);
void *Blocker(void *argument);

pthread_mutex_t MutexID;
pthread_cond_t CondID;

void *Blocker(
  void *argument
)
{
  int                status;
  benchmark_timer_t  end_time;

  status = pthread_mutex_lock(&MutexID);
  rtems_test_assert( status == 0 );

  /* Unlock mutex, block, wait for CondID to be signaled */
  pthread_cond_wait(&CondID,&MutexID);

  end_time = benchmark_timer_read();
  put_time(
    "pthread_cond_broadcast: threads waiting, preempt",
    end_time,
    1,
    0,
    0
  );

  TEST_END();
  rtems_test_exit( 0 );
  return NULL;

}

void *POSIX_Init(
  void *argument
)
{
  int                 status;
  int                 i;
  pthread_t           threadId;
  pthread_attr_t      attr;
  struct sched_param  param;

  TEST_BEGIN();

  /* Setup variables */
  status = pthread_create( &threadId, NULL, Blocker, NULL );
  rtems_test_assert( status == 0 );

  status = pthread_mutex_init(&MutexID, NULL);
  rtems_test_assert( status == 0 );

  status = pthread_cond_init(&CondID, NULL);
  rtems_test_assert( status == 0 );

 /* Setup so threads are created with a high enough priority to preempt
  * as they get created.
  */
  status = pthread_attr_init( &attr );
  rtems_test_assert( status == 0 );

  status = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED );
  rtems_test_assert( status == 0 );

  status = pthread_attr_setschedpolicy( &attr, SCHED_FIFO );
  rtems_test_assert( status == 0 );

  param.sched_priority = sched_get_priority_max(SCHED_FIFO);
  status = pthread_attr_setschedparam( &attr, &param );
  rtems_test_assert( status == 0 );

  for ( i=0 ; i < N ; i++ ) {
    /* Threads will preempt as they are created, start up, and block */
    status = pthread_create(&threadId, &attr, Blocker, NULL);
    rtems_test_assert( status == 0 );
  }

  /* broadcast will awaken all threads and one will preempt us, end time
   * in other thread
   */
  benchmark_timer_initialize();
  status = pthread_cond_broadcast(&CondID);

  /* Should never reach this point */
  rtems_test_assert( FALSE );
  return NULL;
}

/* configuration information */

#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER

#define CONFIGURE_MAXIMUM_POSIX_THREADS  2 + N
#define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 1
#define CONFIGURE_MAXIMUM_POSIX_MUTEXES 1
#define CONFIGURE_POSIX_INIT_THREAD_TABLE

#define CONFIGURE_INIT

#include <rtems/confdefs.h>
  /* end of file */