10b57cec5SDimitry Andric /*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\ 20b57cec5SDimitry Andric |* 30b57cec5SDimitry Andric |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric |* See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric |* 70b57cec5SDimitry Andric \*===----------------------------------------------------------------------===*/ 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 100b57cec5SDimitry Andric #define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric #if defined(_WIN32) 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric #include <basetsd.h> 150b57cec5SDimitry Andric #include <io.h> 160b57cec5SDimitry Andric #include <sys/types.h> 170b57cec5SDimitry Andric 180b57cec5SDimitry Andric /* 190b57cec5SDimitry Andric * mmap() flags 200b57cec5SDimitry Andric */ 210b57cec5SDimitry Andric #define PROT_READ 0x1 220b57cec5SDimitry Andric #define PROT_WRITE 0x2 230b57cec5SDimitry Andric #define PROT_EXEC 0x0 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric #define MAP_FILE 0x00 260b57cec5SDimitry Andric #define MAP_SHARED 0x01 270b57cec5SDimitry Andric #define MAP_PRIVATE 0x02 280b57cec5SDimitry Andric #define MAP_ANONYMOUS 0x20 290b57cec5SDimitry Andric #define MAP_ANON MAP_ANONYMOUS 300b57cec5SDimitry Andric #define MAP_FAILED ((void *) -1) 310b57cec5SDimitry Andric 320b57cec5SDimitry Andric /* 330b57cec5SDimitry Andric * msync() flags 340b57cec5SDimitry Andric */ 350b57cec5SDimitry Andric #define MS_ASYNC 0x0001 /* return immediately */ 360b57cec5SDimitry Andric #define MS_INVALIDATE 0x0002 /* invalidate all cached data */ 370b57cec5SDimitry Andric #define MS_SYNC 0x0010 /* msync synchronously */ 380b57cec5SDimitry Andric 390b57cec5SDimitry Andric /* 40*fe6060f1SDimitry Andric * madvise() flags 41*fe6060f1SDimitry Andric */ 42*fe6060f1SDimitry Andric 43*fe6060f1SDimitry Andric #define MADV_NORMAL 0 /* no special treatment */ 44*fe6060f1SDimitry Andric #define MADV_WILLNEED 3 /* expect access in the near future */ 45*fe6060f1SDimitry Andric #define MADV_DONTNEED 4 /* do not expect access in the near future */ 46*fe6060f1SDimitry Andric 47*fe6060f1SDimitry Andric /* 480b57cec5SDimitry Andric * flock() operations 490b57cec5SDimitry Andric */ 500b57cec5SDimitry Andric #define LOCK_SH 1 /* shared lock */ 510b57cec5SDimitry Andric #define LOCK_EX 2 /* exclusive lock */ 520b57cec5SDimitry Andric #define LOCK_NB 4 /* don't block when locking */ 530b57cec5SDimitry Andric #define LOCK_UN 8 /* unlock */ 540b57cec5SDimitry Andric 550b57cec5SDimitry Andric #ifdef __USE_FILE_OFFSET64 560b57cec5SDimitry Andric # define DWORD_HI(x) (x >> 32) 570b57cec5SDimitry Andric # define DWORD_LO(x) ((x) & 0xffffffff) 580b57cec5SDimitry Andric #else 590b57cec5SDimitry Andric # define DWORD_HI(x) (0) 600b57cec5SDimitry Andric # define DWORD_LO(x) (x) 610b57cec5SDimitry Andric #endif 620b57cec5SDimitry Andric 630b57cec5SDimitry Andric void *mmap(void *start, size_t length, int prot, int flags, int fd, 640b57cec5SDimitry Andric off_t offset); 650b57cec5SDimitry Andric 660b57cec5SDimitry Andric void munmap(void *addr, size_t length); 670b57cec5SDimitry Andric 680b57cec5SDimitry Andric int msync(void *addr, size_t length, int flags); 690b57cec5SDimitry Andric 70*fe6060f1SDimitry Andric int madvise(void *addr, size_t length, int advice); 71*fe6060f1SDimitry Andric 720b57cec5SDimitry Andric int flock(int fd, int operation); 730b57cec5SDimitry Andric 740b57cec5SDimitry Andric #endif /* _WIN32 */ 750b57cec5SDimitry Andric 760b57cec5SDimitry Andric #endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */ 77