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arangodb/lib/BasicsC/memory-map-posix.h

75 lines
2.2 KiB
C

////////////////////////////////////////////////////////////////////////////////
/// @brief memory mapped files in posix
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Oreste Costa-Panaia
/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef TRIAGENS_BASICS_C_MEMORY_MAP_POSIX_H
#define TRIAGENS_BASICS_C_MEMORY_MAP_POSIX_H 1
#include "BasicsC/common.h"
#ifdef TRI_HAVE_POSIX_MMAP
#include <sys/mman.h>
#ifdef __cplusplus
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup Memory_map
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief create a wrapper for MAP_ANONYMOUS / MAP_ANON
///
/// On MacOS, MAP_ANON is available but not MAP_ANONYMOUS, on Linux it seems to
/// be vice versa
////////////////////////////////////////////////////////////////////////////////
#ifdef MAP_ANONYMOUS
#define TRI_MMAP_ANONYMOUS MAP_ANONYMOUS
#elif MAP_ANON
#define TRI_MMAP_ANONYMOUS MAP_ANON
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
#endif
#endif
// Local Variables:
// mode: outline-minor
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"
// End: