1*0b57cec5SDimitry Andric /*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\ 2*0b57cec5SDimitry Andric |* 3*0b57cec5SDimitry Andric |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric |* See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric |* 7*0b57cec5SDimitry Andric \*===----------------------------------------------------------------------===*/ 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 10*0b57cec5SDimitry Andric #define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H 11*0b57cec5SDimitry Andric 12*0b57cec5SDimitry Andric #if defined(_WIN32) 13*0b57cec5SDimitry Andric 14*0b57cec5SDimitry Andric #include <basetsd.h> 15*0b57cec5SDimitry Andric #include <io.h> 16*0b57cec5SDimitry Andric #include <sys/types.h> 17*0b57cec5SDimitry Andric 18*0b57cec5SDimitry Andric /* 19*0b57cec5SDimitry Andric * mmap() flags 20*0b57cec5SDimitry Andric */ 21*0b57cec5SDimitry Andric #define PROT_READ 0x1 22*0b57cec5SDimitry Andric #define PROT_WRITE 0x2 23*0b57cec5SDimitry Andric #define PROT_EXEC 0x0 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric #define MAP_FILE 0x00 26*0b57cec5SDimitry Andric #define MAP_SHARED 0x01 27*0b57cec5SDimitry Andric #define MAP_PRIVATE 0x02 28*0b57cec5SDimitry Andric #define MAP_ANONYMOUS 0x20 29*0b57cec5SDimitry Andric #define MAP_ANON MAP_ANONYMOUS 30*0b57cec5SDimitry Andric #define MAP_FAILED ((void *) -1) 31*0b57cec5SDimitry Andric 32*0b57cec5SDimitry Andric /* 33*0b57cec5SDimitry Andric * msync() flags 34*0b57cec5SDimitry Andric */ 35*0b57cec5SDimitry Andric #define MS_ASYNC 0x0001 /* return immediately */ 36*0b57cec5SDimitry Andric #define MS_INVALIDATE 0x0002 /* invalidate all cached data */ 37*0b57cec5SDimitry Andric #define MS_SYNC 0x0010 /* msync synchronously */ 38*0b57cec5SDimitry Andric 39*0b57cec5SDimitry Andric /* 40*0b57cec5SDimitry Andric * flock() operations 41*0b57cec5SDimitry Andric */ 42*0b57cec5SDimitry Andric #define LOCK_SH 1 /* shared lock */ 43*0b57cec5SDimitry Andric #define LOCK_EX 2 /* exclusive lock */ 44*0b57cec5SDimitry Andric #define LOCK_NB 4 /* don't block when locking */ 45*0b57cec5SDimitry Andric #define LOCK_UN 8 /* unlock */ 46*0b57cec5SDimitry Andric 47*0b57cec5SDimitry Andric #ifdef __USE_FILE_OFFSET64 48*0b57cec5SDimitry Andric # define DWORD_HI(x) (x >> 32) 49*0b57cec5SDimitry Andric # define DWORD_LO(x) ((x) & 0xffffffff) 50*0b57cec5SDimitry Andric #else 51*0b57cec5SDimitry Andric # define DWORD_HI(x) (0) 52*0b57cec5SDimitry Andric # define DWORD_LO(x) (x) 53*0b57cec5SDimitry Andric #endif 54*0b57cec5SDimitry Andric 55*0b57cec5SDimitry Andric void *mmap(void *start, size_t length, int prot, int flags, int fd, 56*0b57cec5SDimitry Andric off_t offset); 57*0b57cec5SDimitry Andric 58*0b57cec5SDimitry Andric void munmap(void *addr, size_t length); 59*0b57cec5SDimitry Andric 60*0b57cec5SDimitry Andric int msync(void *addr, size_t length, int flags); 61*0b57cec5SDimitry Andric 62*0b57cec5SDimitry Andric int flock(int fd, int operation); 63*0b57cec5SDimitry Andric 64*0b57cec5SDimitry Andric #endif /* _WIN32 */ 65*0b57cec5SDimitry Andric 66*0b57cec5SDimitry Andric #endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */ 67