1 /*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\ 2 |* 3 |* The LLVM Compiler Infrastructure 4 |* 5 |* This file is distributed under the University of Illinois Open Source 6 |* License. See LICENSE.TXT for details. 7 |* 8 \*===----------------------------------------------------------------------===*/ 9 10 #ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 11 #define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 12 13 #if defined(_WIN32) 14 15 #include <BaseTsd.h> 16 #include <io.h> 17 #include <sys/types.h> 18 19 /* 20 * mmap() flags 21 */ 22 #define PROT_READ 0x1 23 #define PROT_WRITE 0x2 24 /* This flag is only available in WinXP+ */ 25 #ifdef FILE_MAP_EXECUTE 26 #define PROT_EXEC 0x4 27 #else 28 #define PROT_EXEC 0x0 29 #define FILE_MAP_EXECUTE 0 30 #endif 31 32 #define MAP_FILE 0x00 33 #define MAP_SHARED 0x01 34 #define MAP_PRIVATE 0x02 35 #define MAP_ANONYMOUS 0x20 36 #define MAP_ANON MAP_ANONYMOUS 37 #define MAP_FAILED ((void *) -1) 38 39 /* 40 * msync() flags 41 */ 42 #define MS_ASYNC 0x0001 /* return immediately */ 43 #define MS_INVALIDATE 0x0002 /* invalidate all cached data */ 44 #define MS_SYNC 0x0010 /* msync synchronously */ 45 46 /* 47 * flock() operations 48 */ 49 #define LOCK_SH 1 /* shared lock */ 50 #define LOCK_EX 2 /* exclusive lock */ 51 #define LOCK_NB 4 /* don't block when locking */ 52 #define LOCK_UN 8 /* unlock */ 53 54 void *mmap(void *start, size_t length, int prot, int flags, int fd, 55 off_t offset); 56 57 void munmap(void *addr, size_t length); 58 59 int msync(void *addr, size_t length, int flags); 60 61 int flock(int fd, int operation); 62 63 #endif /* _WIN32 */ 64 65 #endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */ 66