1 files changed, 58 insertions, 0 deletions
diff --git a/ACE/ace/Shared_Memory.h b/ACE/ace/Shared_Memory.h
new file mode 100644
index 00000000000..2ebc8b79d36
--- /dev/null
+++ b/ACE/ace/Shared_Memory.h
@@ -0,0 +1,58 @@
+// -*- C++ -*-
+
+//==========================================================================
+/**
+ *  @file    Shared_Memory.h
+ *
+ *  $Id$
+ *
+ *  @author Doug Schmidt
+ */
+//==========================================================================
+
+
+#ifndef ACE_SHARED_MEMORY_H
+#define ACE_SHARED_MEMORY_H
+
+#include /**/ "ace/pre.h"
+
+#include "ace/ACE_export.h"
+
+#include "ace/os_include/os_stddef.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_Shared_Memory
+ *
+ * @brief This base class adapts both System V shared memory and "BSD"
+ * mmap to a common API.
+ *
+ * This is a very simple-minded wrapper, i.e., it really is only
+ * useful for allocating large contiguous chunks of shared
+ * memory.  For a much more sophisticated version, please check
+ * out the <ACE_Malloc> class.
+ */
+class ACE_Export ACE_Shared_Memory
+{
+public:
+  virtual ~ACE_Shared_Memory (void);
+
+  // = Note that all the following methods are pure virtual.
+  virtual int close (void) = 0;
+  virtual int remove (void) = 0;
+  virtual void *malloc (size_t = 0) = 0;
+  virtual int free (void *p) = 0;
+  virtual int get_segment_size (void) const = 0;
+  virtual ACE_HANDLE get_id (void) const = 0;
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+
+#endif /* ACE_SHARED_MEMORY_H */