mirror of https://gitee.com/bigwinds/arangodb
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2017 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Andrey Abramov
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/// @author Vasiliy Nabatchikov
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////////////////////////////////////////////////////////////////////////////////
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#ifndef IRESEARCH_MMAN_WIN32_H
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#define IRESEARCH_MMAN_WIN32_H
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#if defined(_MSC_VER)
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#include <stdint.h>
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#if defined(_WIN64)
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typedef int64_t OffsetType;
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#else
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typedef uint32_t OffsetType;
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#endif
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#include <sys/types.h>
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#define PROT_NONE 0
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#define PROT_READ 1
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#define PROT_WRITE 2
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#define PROT_EXEC 4
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#define MAP_FILE 0
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#define MAP_SHARED 1
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#define MAP_PRIVATE 2
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#define MAP_TYPE 0xf
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#define MAP_FIXED 0x10
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#define MAP_ANONYMOUS 0x20
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#define MAP_ANON MAP_ANONYMOUS
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#define MAP_FAILED ((void *)-1)
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// Flags for msync
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#define MS_ASYNC 1
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#define MS_SYNC 2
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#define MS_INVALIDATE 4
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extern "C" {
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void* mmap(void *addr, size_t len, int prot, int flags, int fildes, OffsetType off);
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int munmap(void *addr, size_t len);
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int mprotect(void *addr, size_t len, int prot);
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// Note: under windows all flushes are achieved synchronously, however
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// under windows, there is no guarentee that the underlying disk hardware
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// cache has physically written to disk.
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// FlushFileBuffers ensures file written to disk
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int msync(void *addr, size_t len, int flags);
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int mlock(const void *addr, size_t len);
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int munlock(const void *addr, size_t len);
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// not available on windows, just stubbed
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int madvise(void *addr, size_t length, int advice);
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}
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#endif // (_MSC_VER)
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#endif // IRESEARCH_MMAN_WIN32_H
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