source: rtems/testsuites/sptests/spintrcritical16/init.c @ 3c8eda7

/*
 *  COPYRIGHT (c) 1989-2009.
 *  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.com/license/LICENSE.
 */

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

#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
#include <tmacros.h>
#include <intrcritical.h>

/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument argument);
rtems_timer_service_routine test_release_from_isr(rtems_id  timer, void *arg);
Thread_blocking_operation_States getState(void);

#define TEST_NAME          "16"

Thread_Control *Main_TCB;
rtems_id        Main_task;
rtems_id        Semaphore;
volatile bool   case_hit;

Thread_blocking_operation_States getState(void)
{
  Objects_Locations  location;
  Semaphore_Control *sem;

  sem = (Semaphore_Control *)_Objects_Get(
    &_Semaphore_Information, Semaphore, &location );
  if ( location != OBJECTS_LOCAL ) {
    puts( "Bad object lookup" );
    rtems_test_exit(0);
  }
  _Thread_Unnest_dispatch();

  return sem->Core_control.semaphore.Wait_queue.sync_state;
}

rtems_timer_service_routine test_release_from_isr(
  rtems_id  timer,
  void     *arg
)
{
  if ( getState() == THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) {
    case_hit = true;
    (void) rtems_semaphore_release( Semaphore );
  }
  _Thread_queue_Process_timeout( Main_TCB );
}

rtems_task Init(
  rtems_task_argument ignored
)
{
  rtems_status_code     sc;
  int                   resets;

  puts(
    "\n\n*** TEST INTERRUPT CRITICAL SECTION " TEST_NAME " ***\n"
    "Init - Trying to generate timeout of a thread that had its blocking\n"
    "Init -   request satisfied while blocking but before time timeout"
  );

  puts( "Init - rtems_semaphore_create - OK" );
  sc = rtems_semaphore_create(
    rtems_build_name( 'S', 'M', '1', ' ' ),
    0,
    RTEMS_DEFAULT_ATTRIBUTES,
    RTEMS_NO_PRIORITY,
    &Semaphore
  );
  directive_failed( sc, "rtems_semaphore_create of SM1" );

  Main_task = rtems_task_self();
  Main_TCB  = _Thread_Executing;

  interrupt_critical_section_test_support_initialize( test_release_from_isr );

  case_hit = false;

  for (resets=0 ; !case_hit && resets<10 ;) {
    if ( interrupt_critical_section_test_support_delay() )
      resets++;

    sc = rtems_semaphore_obtain( Semaphore, RTEMS_DEFAULT_OPTIONS, 2 );
    if ( sc == RTEMS_SUCCESSFUL )
      break;
    fatal_directive_status( sc, RTEMS_TIMEOUT, "rtems_semaphore_obtain" );
  }

  if ( case_hit ) {
    puts( "Init - Case hit" );
    puts( "*** END OF TEST INTERRUPT CRITICAL SECTION " TEST_NAME " ***" );
  } else
    puts( "Init - Case not hit - ran too long" );


  rtems_test_exit(0);
}

/* configuration information */

#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER

#define CONFIGURE_MAXIMUM_TASKS          1
#define CONFIGURE_MAXIMUM_TIMERS         1
#define CONFIGURE_MAXIMUM_SEMAPHORES     1
#define CONFIGURE_MICROSECONDS_PER_TICK  1000
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_INIT
#include <rtems/confdefs.h>

/* global variables */