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/* -*- C++ -*- */
// $Id$
ACE_INLINE
ACE_Message_Queue_Base::ACE_Message_Queue_Base (void)
{
}
ACE_INLINE
ACE_Message_Queue_Base::~ACE_Message_Queue_Base (void)
{
}
#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");
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");
ACE_NOTSUP;
}
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");
ACE_NOTSUP;
}
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);
}
ACE_INLINE size_t
ACE_Message_Queue_Vx::message_length (void)
{
ACE_TRACE ("ACE_Message_Queue<ACE_SYNCH_USE>::message_length");
ACE_NOTSUP_RETURN ((size_t) -1);
}
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 ());
}
ACE_INLINE void
ACE_Message_Queue_Vx::message_bytes (size_t)
{
ACE_TRACE ("ACE_Message_Queue<ACE_SYNCH_USE>::message_bytes");
ACE_NOTSUP;
}
ACE_INLINE void
ACE_Message_Queue_Vx::message_length (size_t)
{
ACE_TRACE ("ACE_Message_Queue<ACE_SYNCH_USE>::message_length");
ACE_NOTSUP;
}
#endif /* VXWORKS */
#if defined (ACE_WIN32) && (ACE_HAS_WINNT4 != 0)
ACE_INLINE int
ACE_Message_Queue_NT::enqueue_tail (ACE_Message_Block *new_item,
ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_Message_Queue_NT::enqueue_tail");
return this->enqueue (new_item, timeout);
}
ACE_INLINE int
ACE_Message_Queue_NT::dequeue_head (ACE_Message_Block *&first_item,
ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_Message_Queue_NT::dequeue_head");
return this->dequeue (first_item, timeout);
}
ACE_INLINE int
ACE_Message_Queue_NT::is_full (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::is_full");
return 0; // Always not full.
}
ACE_INLINE int
ACE_Message_Queue_NT::is_empty (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::is_empty");
ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, this->lock_, 0);
return (this->cur_bytes_ > 0 && this->cur_count_ > 0 ? 1 : 0);
}
ACE_INLINE size_t
ACE_Message_Queue_NT::message_bytes (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::message_bytes");
// Accessing to size_t must be atomic.
return this->cur_bytes_;
}
ACE_INLINE size_t
ACE_Message_Queue_NT::message_length (void)
{
ACE_TRACE ("ACE_Message_Queue<ACE_SYNCH_USE>::message_length");
// Accessing to size_t must be atomic.
return this->cur_length_;
}
ACE_INLINE size_t
ACE_Message_Queue_NT::message_count (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::message_count");
// Accessing to size_t must be atomic.
return this->cur_count_;
}
ACE_INLINE void
ACE_Message_Queue_NT::message_bytes (size_t new_value)
{
ACE_TRACE ("ACE_Message_Queue<ACE_SYNCH_USE>::message_bytes");
ACE_GUARD (ACE_Thread_Mutex, ace_mon, this->lock_);
this->cur_bytes_ = new_value;
}
ACE_INLINE void
ACE_Message_Queue_NT::message_length (size_t new_value)
{
ACE_TRACE ("ACE_Message_Queue<ACE_SYNCH_USE>::message_length");
ACE_GUARD (ACE_Thread_Mutex, ace_mon, this->lock_);
this->cur_length_ = new_value;
}
ACE_INLINE size_t
ACE_Message_Queue_NT::max_threads (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::max_threads");
return this->max_cthrs_;
}
ACE_INLINE int
ACE_Message_Queue_NT::deactivated (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::ceactivated");
// Accessing to int must be atomic.
return this->deactivated_;
}
ACE_INLINE ACE_HANDLE
ACE_Message_Queue_NT::completion_port (void)
{
ACE_TRACE ("ACE_Message_Queue_NT::completion_port");
return this->completion_port_;
}
#endif /* ACE_WIN32 && ACE_HAS_WINNT4 != 0 */
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