1 files changed, 368 insertions, 0 deletions
diff --git a/externals/ace/Message_Queue_Vx.cpp b/externals/ace/Message_Queue_Vx.cpp
new file mode 100644
index 00000000000..9aa465d36e5
--- /dev/null
+++ b/externals/ace/Message_Queue_Vx.cpp
@@ -0,0 +1,368 @@
+// $Id: Message_Queue_Vx.cpp 80826 2008-03-04 14:51:23Z wotte $
+
+#include "ace/Message_Queue_Vx.h"
+#include "ace/Log_Msg.h"
+
+#if !defined (__ACE_INLINE__)
+#include "ace/Message_Queue_Vx.inl"
+#endif /* __ACE_INLINE__ */
+
+ACE_RCSID (ace,
+           Message_Queue_Vx,
+           "$Id: Message_Queue_Vx.cpp 80826 2008-03-04 14:51:23Z wotte $")
+
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+#if defined (ACE_VXWORKS)
+
+////////////////////////////////
+// class ACE_Message_Queue_Vx //
+////////////////////////////////
+
+void
+ACE_Message_Queue_Vx::dump (void) const
+{
+#if defined (ACE_HAS_DUMP)
+  ACE_TRACE ("ACE_Message_Queue_Vx::dump");
+  ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
+  switch (this->state_)
+    {
+    case ACE_Message_Queue_Base::ACTIVATED:
+      ACE_DEBUG ((LM_DEBUG,
+                  ACE_TEXT ("state = ACTIVATED\n")));
+      break;
+    case ACE_Message_Queue_Base::DEACTIVATED:
+      ACE_DEBUG ((LM_DEBUG,
+                  ACE_TEXT ("state = DEACTIVATED\n")));
+      break;
+    case ACE_Message_Queue_Base::PULSED:
+      ACE_DEBUG ((LM_DEBUG,
+                  ACE_TEXT ("state = PULSED\n")));
+      break;
+    }
+  ACE_DEBUG ((LM_DEBUG,
+              ACE_TEXT ("low_water_mark = %d\n")
+              ACE_TEXT ("high_water_mark = %d\n")
+              ACE_TEXT ("cur_bytes = %d\n")
+              ACE_TEXT ("cur_length = %d\n")
+              ACE_TEXT ("cur_count = %d\n")
+              ACE_TEXT ("head_ = %u\n")
+              ACE_TEXT ("MSG_Q_ID = %u\n"),
+              this->low_water_mark_,
+              this->high_water_mark_,
+              this->cur_bytes_,
+              this->cur_length_,
+              this->cur_count_,
+              this->head_,
+              this->tail_));
+  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
+#endif /* ACE_HAS_DUMP */
+}
+
+ACE_Message_Queue_Vx::ACE_Message_Queue_Vx (size_t max_messages,
+                                            size_t max_message_length,
+                                            ACE_Notification_Strategy *ns)
+  : ACE_Message_Queue<ACE_NULL_SYNCH> (0, 0, ns),
+    max_messages_ (static_cast<int> (max_messages)),
+    max_message_length_ (static_cast<int> (max_message_length))
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::ACE_Message_Queue_Vx");
+
+  if (this->open (max_messages_, max_message_length_, ns) == -1)
+    ACE_ERROR ((LM_ERROR, ACE_TEXT ("open")));
+}
+
+ACE_Message_Queue_Vx::~ACE_Message_Queue_Vx (void)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::~ACE_Message_Queue_Vx");
+
+  if (this->tail_ != 0  &&  this->close () == -1)
+    ACE_ERROR ((LM_ERROR, ACE_TEXT ("close")));
+}
+
+// Don't bother locking since if someone calls this function more than
+// once for the same queue, we're in bigger trouble than just
+// concurrency control!
+
+int
+ACE_Message_Queue_Vx::open (size_t max_messages,
+                            size_t max_message_length,
+                            ACE_Notification_Strategy *ns)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::open");
+  this->high_water_mark_ = 0;
+  this->low_water_mark_  = 0;
+  this->cur_bytes_ = 0;
+  this->cur_length_ = 0;
+  this->cur_count_ = 0;
+  this->head_ = 0;
+  this->notification_strategy_ = ns;
+  this->max_messages_ = static_cast<int> (max_messages);
+  this->max_message_length_ = static_cast<int> (max_message_length);
+
+  if (tail_)
+    {
+      // Had already created a msgQ, so delete it.
+      close ();
+      activate_i ();
+    }
+
+  return (this->tail_ =
+          reinterpret_cast<ACE_Message_Block *> (
+              ::msgQCreate (max_messages_,
+                            max_message_length_,
+                            MSG_Q_FIFO))) == 0 ? -1 : 0;
+}
+
+// Clean up the queue if we have not already done so!
+
+int
+ACE_Message_Queue_Vx::close (void)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::close");
+  // Don't lock, because we don't have a lock.  It shouldn't be
+  // necessary, anyways.
+
+  this->deactivate_i ();
+
+  // Don't bother to free up the remaining message on the list,
+  // because we don't have any way to iterate over what's in the
+  // queue.
+
+  return ::msgQDelete (msgq ());
+}
+
+bool
+ACE_Message_Queue_Vx::is_empty_i (void)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::is_empty_i");
+  return ::msgQNumMsgs (msgq ()) == 0;
+}
+
+bool
+ACE_Message_Queue_Vx::is_full_i (void)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::is_full_i");
+  return ::msgQNumMsgs (msgq ()) >= max_messages_;
+}
+
+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);
+}
+
+void
+ACE_Message_Queue_Vx::high_water_mark (size_t)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::high_water_mark");
+  ACE_NOTSUP;
+}
+
+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);
+}
+
+void
+ACE_Message_Queue_Vx::low_water_mark (size_t)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::low_water_mark");
+  ACE_NOTSUP;
+}
+
+size_t
+ACE_Message_Queue_Vx::message_bytes (void)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::message_bytes");
+  ACE_NOTSUP_RETURN ((size_t) -1);
+}
+
+size_t
+ACE_Message_Queue_Vx::message_length (void)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::message_length");
+  ACE_NOTSUP_RETURN ((size_t) -1);
+}
+
+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 ());
+}
+
+void
+ACE_Message_Queue_Vx::message_bytes (size_t)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::message_bytes");
+  ACE_NOTSUP;
+}
+
+void
+ACE_Message_Queue_Vx::message_length (size_t)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::message_length");
+  ACE_NOTSUP;
+}
+
+int
+ACE_Message_Queue_Vx::signal_enqueue_waiters (void)
+{
+  // No-op.
+  return 0;
+}
+
+int
+ACE_Message_Queue_Vx::signal_dequeue_waiters (void)
+{
+  // No-op.
+  return 0;
+}
+
+int
+ACE_Message_Queue_Vx::enqueue_tail_i (ACE_Message_Block *new_item)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::enqueue_tail_i");
+
+  if (new_item == 0)
+    return -1;
+
+  // Don't try to send a composite message!!!!  Only the first
+  // block will be sent.
+
+  ++this->cur_count_;
+
+  // Always use this method to actually send a message on the queue.
+  if (::msgQSend (msgq (),
+                  new_item->rd_ptr (),
+                  new_item->size (),
+                  WAIT_FOREVER,
+                  MSG_PRI_NORMAL) == OK)
+    return ::msgQNumMsgs (msgq ());
+  else
+    return -1;
+}
+
+int
+ACE_Message_Queue_Vx::enqueue_head_i (ACE_Message_Block *new_item)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::enqueue_head_i");
+
+  // Just delegate to enqueue_tail_i.
+  return enqueue_tail_i (new_item);
+}
+
+int
+ACE_Message_Queue_Vx::enqueue_i (ACE_Message_Block *new_item)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::enqueue_i");
+
+  if (new_item == 0)
+    return -1;
+
+  if (this->head_ == 0)
+    // Should always take this branch.
+    return this->enqueue_head_i (new_item);
+  else
+    ACE_NOTSUP_RETURN (-1);
+}
+
+int
+ACE_Message_Queue_Vx::enqueue_deadline_i (ACE_Message_Block *new_item)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::enqueue_deadline_i");
+
+  // Just delegate to enqueue_tail_i.
+  return enqueue_tail_i (new_item);
+}
+
+// Actually get the first ACE_Message_Block (no locking, so must be
+// called with locks held).  This method assumes that the queue has at
+// least one item in it when it is called.
+
+int
+ACE_Message_Queue_Vx::dequeue_head_i (ACE_Message_Block *&first_item)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::dequeue_head_i");
+
+  // We don't allocate a new Message_Block:  the caller must provide
+  // it, and must ensure that it is big enough (without chaining).
+
+  if (first_item == 0  ||  first_item->wr_ptr () == 0)
+    return -1;
+
+  if (::msgQReceive (msgq (),
+                     first_item->wr_ptr (),
+                     first_item->size (),
+                     WAIT_FOREVER) == ERROR)
+    return -1;
+  else
+    return ::msgQNumMsgs (msgq ());
+}
+
+int
+ACE_Message_Queue_Vx::dequeue_prio_i (ACE_Message_Block *& /*dequeued*/)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::dequeue_prio_i");
+  ACE_NOTSUP_RETURN (-1);
+}
+
+int
+ACE_Message_Queue_Vx::dequeue_tail_i (ACE_Message_Block *& /*dequeued*/)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::dequeue_tail_i");
+  ACE_NOTSUP_RETURN (-1);
+}
+
+int
+ACE_Message_Queue_Vx::dequeue_deadline_i (ACE_Message_Block *& /*dequeued*/)
+{
+  ACE_TRACE ("ACE_Message_Queue_Vx::dequeue_deadline_i");
+  ACE_NOTSUP_RETURN (-1);
+}
+
+// Take a look at the first item without removing it.
+
+int
+ACE_Message_Queue_Vx::wait_not_full_cond (ACE_Guard<ACE_Null_Mutex> &mon,
+                                          ACE_Time_Value *tv)
+{
+  // Always return here, and let the VxWorks message queue handle blocking.
+  ACE_UNUSED_ARG (mon);
+  ACE_UNUSED_ARG (tv);
+
+  return 0;
+}
+
+int
+ACE_Message_Queue_Vx::wait_not_empty_cond (ACE_Guard<ACE_Null_Mutex> &mon,
+                                           ACE_Time_Value *tv)
+{
+  // Always return here, and let the VxWorks message queue handle blocking.
+  ACE_UNUSED_ARG (mon);
+  ACE_UNUSED_ARG (tv);
+
+  return 0;
+}
+
+#if ! defined (ACE_NEEDS_FUNC_DEFINITIONS)
+int
+ACE_Message_Queue_Vx::peek_dequeue_head (ACE_Message_Block *&,
+                                         ACE_Time_Value *)
+{
+  ACE_NOTSUP_RETURN (-1);
+}
+#endif /* ! ACE_NEEDS_FUNC_DEFINITIONS */
+
+#endif /* ACE_VXWORKS */
+
+ACE_END_VERSIONED_NAMESPACE_DECL