drogon/third_party/mman-win32/mman.h
2024-01-31 19:05:20 +08:00

77 lines
2.0 KiB
C

/*
* sys/mman.h
* mman-win32
*/
#ifndef _SYS_MMAN_H_ // NOLINT(build/header_guard)
#define _SYS_MMAN_H_
#ifndef _WIN32_WINNT // Allow use of features specific to Windows XP or later.
#define _WIN32_WINNT 0x0501 // Change this to the appropriate value to target other versions of Windows.
#endif
/* All the headers include this file. */
#ifndef _MSC_VER
#include <_mingw.h>
#endif
#if defined(MMAN_LIBRARY_DLL)
/* Windows shared libraries (DLL) must be declared export when building the lib and import when building the
application which links against the library. */
#if defined(MMAN_LIBRARY)
#define MMANSHARED_EXPORT __declspec(dllexport)
#else
#define MMANSHARED_EXPORT __declspec(dllimport)
#endif /* MMAN_LIBRARY */
#else
/* Static libraries do not require a __declspec attribute.*/
#define MMANSHARED_EXPORT
#endif /* MMAN_LIBRARY_DLL */
/* Determine offset type */
#include <stdint.h>
#if defined(_WIN64)
typedef int64_t OffsetType;
#else
typedef uint32_t OffsetType;
#endif
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define PROT_NONE 0
#define PROT_READ 1
#define PROT_WRITE 2
#define PROT_EXEC 4
#define MAP_FILE 0
#define MAP_SHARED 1
#define MAP_PRIVATE 2
#define MAP_TYPE 0xf
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FAILED ((void *)-1)
/* Flags for msync. */
#define MS_ASYNC 1
#define MS_SYNC 2
#define MS_INVALIDATE 4
MMANSHARED_EXPORT void* mmap(void *addr, size_t len, int prot, int flags, int fildes, OffsetType off);
MMANSHARED_EXPORT int munmap(void *addr, size_t len);
MMANSHARED_EXPORT int _mprotect(void *addr, size_t len, int prot);
MMANSHARED_EXPORT int msync(void *addr, size_t len, int flags);
MMANSHARED_EXPORT int mlock(const void *addr, size_t len);
MMANSHARED_EXPORT int munlock(const void *addr, size_t len);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MMAN_H_ */