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/*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\
|*
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|* See https://llvm.org/LICENSE.txt for license information.
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|*
\*===----------------------------------------------------------------------===*/
#ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
#define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
#if defined(_WIN32)
#include <basetsd.h>
#include <io.h>
#include <sys/types.h>
/*
* mmap() flags
*/
#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x0
#define MAP_FILE 0x00
#define MAP_SHARED 0x01
#define MAP_PRIVATE 0x02
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FAILED ((void *) -1)
/*
* msync() flags
*/
#define MS_ASYNC 0x0001 /* return immediately */
#define MS_INVALIDATE 0x0002 /* invalidate all cached data */
#define MS_SYNC 0x0010 /* msync synchronously */
/*
* flock() operations
*/
#define LOCK_SH 1 /* shared lock */
#define LOCK_EX 2 /* exclusive lock */
#define LOCK_NB 4 /* don't block when locking */
#define LOCK_UN 8 /* unlock */
#ifdef __USE_FILE_OFFSET64
# define DWORD_HI(x) (x >> 32)
# define DWORD_LO(x) ((x) & 0xffffffff)
#else
# define DWORD_HI(x) (0)
# define DWORD_LO(x) (x)
#endif
void *mmap(void *start, size_t length, int prot, int flags, int fd,
off_t offset);
void munmap(void *addr, size_t length);
int msync(void *addr, size_t length, int flags);
int flock(int fd, int operation);
#endif /* _WIN32 */
#endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */
|
