Engine directory for ticket #1

Engine/source/platform/platformDlibrary.h

@@ -0,0 +1,72 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef OS_DLIBRARY_H
+#define OS_DLIBRARY_H
+
+#include "core/util/refBase.h"
+
+// DLLs use the standard calling convention
+#define DLL_CALL __stdcall
+#define DLL_EXPORT_CALL __declspec(dllexport)
+#define DLL_IMPORT_CALL __declspec(dllimport)
+
+// Export functions from the DLL
+#if defined(DLL_CODE)
+   #define DLL_DECL DLL_EXPORT_CALL
+#else
+   #define DLL_DECL DLL_IMPORT_CALL
+#endif
+
+
+//-----------------------------------------------------------------------------
+
+///@defgroup KernelDLL Loadable Libraries
+/// Basic DLL handling and symbol resolving. When a library is first loaded
+/// it's "open" function will be called, and it's "close" function is called
+/// right before the library is unloaded.
+///@ingroup OsModule
+///@{
+
+/// Dynamic Library
+/// Interface for library objects loaded using the loadLibrary() function.
+class DLibrary: public StrongRefBase
+{
+public:
+   virtual ~DLibrary() {}
+   virtual void *bind( const char *name ) = 0;
+};
+typedef StrongRefPtr<DLibrary> DLibraryRef;
+
+/// Load a library
+/// Returns 0 if the library fails to load. Symbols are
+/// resolved through the DLibrary interface.
+DLibraryRef OsLoadLibrary( const char *file );
+
+///@}
+
+//-----------------------------------------------------------------------------
+
+
+
+#endif
+