Esempi in C++ (Cpp) per _POSIX_Thread_Evaluate_cancellation_and_enable_dispatch

Esempio n. 1

File: setcancelstate.c Progetto: AlexShiLucky/rtems

int pthread_setcancelstate(
  int  state,
  int *oldstate
)
{
  POSIX_API_Control *thread_support;
  Thread_Control    *executing;

  /*
   *  Don't even think about deleting a resource from an ISR.
   *  Besides this request is supposed to be for _Thread_Executing
   *  and the ISR context is not a thread.
   */

  if ( _ISR_Is_in_progress() )
    return EPROTO;

  if ( !oldstate )
    return EINVAL;

  if ( state != PTHREAD_CANCEL_ENABLE && state != PTHREAD_CANCEL_DISABLE )
    return EINVAL;

  _Thread_Disable_dispatch();

    executing = _Thread_Executing;
    thread_support =  executing ->API_Extensions[ THREAD_API_POSIX ];

    *oldstate = thread_support->cancelability_state;
    thread_support->cancelability_state = state;

    _POSIX_Thread_Evaluate_cancellation_and_enable_dispatch( executing );

  /*
   *  _Thread_Enable_dispatch is invoked by above call.
   */

  return 0;
}

Esempio n. 2

File: cancel.c Progetto: AndroidMarv/rtems

int pthread_cancel(
  pthread_t  thread
)
{
  Thread_Control     *the_thread;
  POSIX_API_Control  *thread_support;
  Objects_Locations   location;

  /*
   *  Don't even think about deleting a resource from an ISR.
   */

  if ( _ISR_Is_in_progress() )
    return EPROTO;

  the_thread = _Thread_Get( thread, &location );
  switch ( location ) {

    case OBJECTS_LOCAL:
      thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ];

      thread_support->cancelation_requested = 1;

      /* This enables dispatch implicitly */
      _POSIX_Thread_Evaluate_cancellation_and_enable_dispatch( the_thread );
      return 0;

#if defined(RTEMS_MULTIPROCESSING)
    case OBJECTS_REMOTE:
#endif
    case OBJECTS_ERROR:
      break;
  }

  return EINVAL;
}