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Annotation of Gnu-Mach/xen/public/xen-compat.h, revision 1.1.1.1

1.1       root        1: /******************************************************************************
                      2:  * xen-compat.h
                      3:  * 
                      4:  * Guest OS interface to Xen.  Compatibility layer.
                      5:  * 
                      6:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                      7:  * of this software and associated documentation files (the "Software"), to
                      8:  * deal in the Software without restriction, including without limitation the
                      9:  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
                     10:  * sell copies of the Software, and to permit persons to whom the Software is
                     11:  * furnished to do so, subject to the following conditions:
                     12:  *
                     13:  * The above copyright notice and this permission notice shall be included in
                     14:  * all copies or substantial portions of the Software.
                     15:  *
                     16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
                     19:  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     20:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
                     21:  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
                     22:  * DEALINGS IN THE SOFTWARE.
                     23:  *
                     24:  * Copyright (c) 2006, Christian Limpach
                     25:  */
                     26: 
                     27: #ifndef __XEN_PUBLIC_XEN_COMPAT_H__
                     28: #define __XEN_PUBLIC_XEN_COMPAT_H__
                     29: 
                     30: #define __XEN_LATEST_INTERFACE_VERSION__ 0x00030209
                     31: 
                     32: #if defined(__XEN__) || defined(__XEN_TOOLS__)
                     33: /* Xen is built with matching headers and implements the latest interface. */
                     34: #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__
                     35: #elif !defined(__XEN_INTERFACE_VERSION__)
                     36: /* Guests which do not specify a version get the legacy interface. */
                     37: #define __XEN_INTERFACE_VERSION__ 0x00000000
                     38: #endif
                     39: 
                     40: #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__
                     41: #error "These header files do not support the requested interface version."
                     42: #endif
                     43: 
                     44: #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */

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