13cab2bb3Spatrick /*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\ 23cab2bb3Spatrick |* 33cab2bb3Spatrick |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 43cab2bb3Spatrick |* See https://llvm.org/LICENSE.txt for license information. 53cab2bb3Spatrick |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 63cab2bb3Spatrick |* 73cab2bb3Spatrick \*===----------------------------------------------------------------------===*/ 83cab2bb3Spatrick 93cab2bb3Spatrick #ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 103cab2bb3Spatrick #define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 113cab2bb3Spatrick 123cab2bb3Spatrick #if defined(_WIN32) 133cab2bb3Spatrick 143cab2bb3Spatrick #include <basetsd.h> 153cab2bb3Spatrick #include <io.h> 163cab2bb3Spatrick #include <sys/types.h> 173cab2bb3Spatrick 183cab2bb3Spatrick /* 193cab2bb3Spatrick * mmap() flags 203cab2bb3Spatrick */ 213cab2bb3Spatrick #define PROT_READ 0x1 223cab2bb3Spatrick #define PROT_WRITE 0x2 233cab2bb3Spatrick #define PROT_EXEC 0x0 243cab2bb3Spatrick 253cab2bb3Spatrick #define MAP_FILE 0x00 263cab2bb3Spatrick #define MAP_SHARED 0x01 273cab2bb3Spatrick #define MAP_PRIVATE 0x02 283cab2bb3Spatrick #define MAP_ANONYMOUS 0x20 293cab2bb3Spatrick #define MAP_ANON MAP_ANONYMOUS 303cab2bb3Spatrick #define MAP_FAILED ((void *) -1) 313cab2bb3Spatrick 323cab2bb3Spatrick /* 333cab2bb3Spatrick * msync() flags 343cab2bb3Spatrick */ 353cab2bb3Spatrick #define MS_ASYNC 0x0001 /* return immediately */ 363cab2bb3Spatrick #define MS_INVALIDATE 0x0002 /* invalidate all cached data */ 373cab2bb3Spatrick #define MS_SYNC 0x0010 /* msync synchronously */ 383cab2bb3Spatrick 393cab2bb3Spatrick /* 40*d89ec533Spatrick * madvise() flags 41*d89ec533Spatrick */ 42*d89ec533Spatrick 43*d89ec533Spatrick #define MADV_NORMAL 0 /* no special treatment */ 44*d89ec533Spatrick #define MADV_WILLNEED 3 /* expect access in the near future */ 45*d89ec533Spatrick #define MADV_DONTNEED 4 /* do not expect access in the near future */ 46*d89ec533Spatrick 47*d89ec533Spatrick /* 483cab2bb3Spatrick * flock() operations 493cab2bb3Spatrick */ 503cab2bb3Spatrick #define LOCK_SH 1 /* shared lock */ 513cab2bb3Spatrick #define LOCK_EX 2 /* exclusive lock */ 523cab2bb3Spatrick #define LOCK_NB 4 /* don't block when locking */ 533cab2bb3Spatrick #define LOCK_UN 8 /* unlock */ 543cab2bb3Spatrick 553cab2bb3Spatrick #ifdef __USE_FILE_OFFSET64 563cab2bb3Spatrick # define DWORD_HI(x) (x >> 32) 573cab2bb3Spatrick # define DWORD_LO(x) ((x) & 0xffffffff) 583cab2bb3Spatrick #else 593cab2bb3Spatrick # define DWORD_HI(x) (0) 603cab2bb3Spatrick # define DWORD_LO(x) (x) 613cab2bb3Spatrick #endif 623cab2bb3Spatrick 633cab2bb3Spatrick void *mmap(void *start, size_t length, int prot, int flags, int fd, 643cab2bb3Spatrick off_t offset); 653cab2bb3Spatrick 663cab2bb3Spatrick void munmap(void *addr, size_t length); 673cab2bb3Spatrick 683cab2bb3Spatrick int msync(void *addr, size_t length, int flags); 693cab2bb3Spatrick 70*d89ec533Spatrick int madvise(void *addr, size_t length, int advice); 71*d89ec533Spatrick 723cab2bb3Spatrick int flock(int fd, int operation); 733cab2bb3Spatrick 743cab2bb3Spatrick #endif /* _WIN32 */ 753cab2bb3Spatrick 763cab2bb3Spatrick #endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */ 77