forked from OSchip/llvm-project
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\
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|*
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|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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|* See https://llvm.org/LICENSE.txt for license information.
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|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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|*
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\*===----------------------------------------------------------------------===*/
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#ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
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#define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
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#if defined(_WIN32)
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#include <basetsd.h>
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#include <io.h>
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#include <sys/types.h>
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/*
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* mmap() flags
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*/
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#define PROT_READ 0x1
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#define PROT_WRITE 0x2
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#define PROT_EXEC 0x0
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#define MAP_FILE 0x00
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#define MAP_SHARED 0x01
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#define MAP_PRIVATE 0x02
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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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/*
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* msync() flags
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*/
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#define MS_ASYNC 0x0001 /* return immediately */
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#define MS_INVALIDATE 0x0002 /* invalidate all cached data */
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#define MS_SYNC 0x0010 /* msync synchronously */
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/*
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* flock() operations
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*/
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#define LOCK_SH 1 /* shared lock */
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#define LOCK_EX 2 /* exclusive lock */
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#define LOCK_NB 4 /* don't block when locking */
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#define LOCK_UN 8 /* unlock */
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#ifdef __USE_FILE_OFFSET64
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# define DWORD_HI(x) (x >> 32)
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# define DWORD_LO(x) ((x) & 0xffffffff)
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#else
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# define DWORD_HI(x) (0)
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# define DWORD_LO(x) (x)
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#endif
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void *mmap(void *start, size_t length, int prot, int flags, int fd,
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off_t offset);
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void munmap(void *addr, size_t length);
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int msync(void *addr, size_t length, int flags);
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int flock(int fd, int operation);
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#endif /* _WIN32 */
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#endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */
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