1 files changed, 95 insertions, 0 deletions
diff --git a/ace/IPC/SV_Message_Queue.h b/ace/IPC/SV_Message_Queue.h
new file mode 100644
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+++ b/ace/IPC/SV_Message_Queue.h
@@ -0,0 +1,95 @@
+/* -*- C++ -*- */
+
+//=============================================================================
+/**
+ *  @file    SV_Message_Queue.h
+ *
+ *  $Id$
+ *
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//=============================================================================
+
+#ifndef ACE_SV_MESSAGE_QUEUE_H
+#define ACE_SV_MESSAGE_QUEUE_H
+#include "ace/pre.h"
+
+#include "ace/ACE.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/SV_Message.h"
+
+/**
+ * @class ACE_SV_Message_Queue
+ *
+ * @brief Defines the header file for the C++ wrapper for System V IPC
+ * message queues.
+ */
+class ACE_Export ACE_SV_Message_Queue
+{
+public:
+  // = Useful symbolic constants.
+  enum
+  {
+    ACE_CREATE = IPC_CREAT,
+    ACE_OPEN   = 0,
+    ACE_NOWAIT = IPC_NOWAIT
+  };
+
+  // = Initialization and termination methods.
+   /// Open a message queue using the <external_id>.
+  ACE_SV_Message_Queue (void);
+  ACE_SV_Message_Queue (key_t external_id,
+                        int create = ACE_SV_Message_Queue::ACE_OPEN,
+                        int perms = ACE_DEFAULT_FILE_PERMS);
+  int open (key_t external_id,
+            int create = ACE_SV_Message_Queue::ACE_OPEN,
+            int perms = ACE_DEFAULT_FILE_PERMS);
+
+  ~ACE_SV_Message_Queue (void);
+
+  /// Close down this instance of the message queue without removing it
+  /// from the system.
+  int close (void);
+
+  /// Close down and remove the message queue from the system.
+  int remove (void);
+
+
+  // = Message transfer methods.
+  int recv (ACE_SV_Message &mb,
+            int length,
+            long mtype = 0,
+            int mflags = 0);
+
+  int send (const ACE_SV_Message &mb,
+            int length,
+            int mflags = 0);
+
+  /// Access the underlying control operations.
+  int control (int option, void *arg = 0);
+
+  // = Get/set the underly internal id.
+  int get_id (void) const;
+  void set_id (int);
+
+  /// Dump the state of an object.
+  void dump (void) const;
+
+  /// Declare the dynamic allocation hooks.
+  ACE_ALLOC_HOOK_DECLARE;
+
+protected:
+  /// Returned from the underlying <msgget> system call.
+  int internal_id_;
+};
+
+#if !defined (ACE_LACKS_INLINE_FUNCTIONS)
+#include "ace/SV_Message_Queue.i"
+#endif
+
+#include "ace/post.h"
+#endif /* ACE_SV_MESSAGE_QUEUE_H */