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Diffstat (limited to 'bdb/dbinc/cxx_common.h')
| -rw-r--r-- | bdb/dbinc/cxx_common.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/bdb/dbinc/cxx_common.h b/bdb/dbinc/cxx_common.h new file mode 100644 index 00000000000..e5cb3a9aef4 --- /dev/null +++ b/bdb/dbinc/cxx_common.h @@ -0,0 +1,45 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1997-2002 + * Sleepycat Software. All rights reserved. + * + * $Id: cxx_common.h,v 11.2 2002/01/11 15:52:23 bostic Exp $ + */ + +#ifndef _CXX_COMMON_H_ +#define _CXX_COMMON_H_ + +// +// Common definitions used by all of Berkeley DB's C++ include files. +// + +//////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////// +// +// Mechanisms for declaring classes +// + +// +// Every class defined in this file has an _exported next to the class name. +// This is needed for WinTel machines so that the class methods can +// be exported or imported in a DLL as appropriate. Users of the DLL +// use the define DB_USE_DLL. When the DLL is built, DB_CREATE_DLL +// must be defined. +// +#if defined(_MSC_VER) + +# if defined(DB_CREATE_DLL) +# define _exported __declspec(dllexport) // creator of dll +# elif defined(DB_USE_DLL) +# define _exported __declspec(dllimport) // user of dll +# else +# define _exported // static lib creator or user +# endif + +#else /* _MSC_VER */ + +# define _exported + +#endif /* _MSC_VER */ +#endif /* !_CXX_COMMON_H_ */ |