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/* -*- C++ -*- */
// $Id$
#if defined (VXWORKS)
// Specialization to use native VxWorks Message Queues.
ACE_INLINE MSG_Q_ID
ACE_Message_Queue_Vx::msgq ()
{
// Hijack the tail_ field to store the MSG_Q_ID.
return ACE_reinterpret_cast (MSG_Q_ID, tail_);
}
ACE_INLINE int
ACE_Message_Queue_Vx::is_empty_i (void)
{
ACE_TRACE ("ACE_Message_Queue_Vx::is_empty_i");
return ::msgQNumMsgs (msgq ()) == 0;
}
ACE_INLINE int
ACE_Message_Queue_Vx::is_full_i (void)
{
ACE_TRACE ("ACE_Message_Queue_Vx::is_full_i");
return ::msgQNumMsgs (msgq ()) >= max_messages_;
}
ACE_INLINE size_t
ACE_Message_Queue_Vx::high_water_mark (void)
{
ACE_TRACE ("ACE_Message_Queue_Vx::high_water_mark");
// Don't need to guard, because this is fixed.
ACE_NOTSUP_RETURN ((size_t) -1);
}
ACE_INLINE void
ACE_Message_Queue_Vx::high_water_mark (size_t)
{
ACE_TRACE ("ACE_Message_Queue_Vx::high_water_mark");
// Don't need to guard, because this is fixed.
errno = ENOTSUP;
}
ACE_INLINE size_t
ACE_Message_Queue_Vx::low_water_mark (void)
{
ACE_TRACE ("ACE_Message_Queue_Vx::low_water_mark");
// Don't need to guard, because this is fixed.
ACE_NOTSUP_RETURN ((size_t) -1);
}
ACE_INLINE void
ACE_Message_Queue_Vx::low_water_mark (size_t)
{
ACE_TRACE ("ACE_Message_Queue_Vx::low_water_mark");
// Don't need to guard, because this is fixed.
errno = ENOTSUP;
}
// Return the current number of bytes in the queue.
ACE_INLINE size_t
ACE_Message_Queue_Vx::message_bytes (void)
{
ACE_TRACE ("ACE_Message_Queue_Vx::message_bytes");
ACE_NOTSUP_RETURN ((size_t) -1);
}
// Return the current number of messages in the queue.
ACE_INLINE size_t
ACE_Message_Queue_Vx::message_count (void)
{
ACE_TRACE ("ACE_Message_Queue_Vx::message_count");
// Don't need to guard, because this is a system call.
return ::msgQNumMsgs (msgq ());
}
#endif /* VXWORKS */
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