65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
#pragma once
|
|
|
|
#include <string>
|
|
#include "File.h"
|
|
#include <map>
|
|
#include "os/Mutex.h"
|
|
|
|
namespace il2cpp
|
|
{
|
|
namespace os
|
|
{
|
|
// This enum must match the same enum in the Mono code, as it is used on the icall boundary.
|
|
enum MemoryMappedFileAccess
|
|
{
|
|
MMAP_FILE_ACCESS_READ_WRITE = 0,
|
|
MMAP_FILE_ACCESS_READ = 1,
|
|
MMAP_FILE_ACCESS_WRITE = 2,
|
|
MMAP_FILE_ACCESS_COPY_ON_WRITE = 3,
|
|
MMAP_FILE_ACCESS_READ_EXECUTE = 4,
|
|
MMAP_FILE_ACCESS_READ_WRITE_EXECUTE = 5,
|
|
};
|
|
|
|
// This enum must match the same enum in the Mono code, as it is used on the icall boundary.
|
|
enum MemoryMappedFileError
|
|
{
|
|
NO_MEMORY_MAPPED_FILE_ERROR = 0,
|
|
BAD_CAPACITY_FOR_FILE_BACKED,
|
|
CAPACITY_SMALLER_THAN_FILE_SIZE,
|
|
FILE_NOT_FOUND,
|
|
FILE_ALREADY_EXISTS,
|
|
PATH_TOO_LONG,
|
|
COULD_NOT_OPEN,
|
|
CAPACITY_MUST_BE_POSITIVE,
|
|
INVALID_FILE_MODE,
|
|
COULD_NOT_MAP_MEMORY,
|
|
ACCESS_DENIED,
|
|
CAPACITY_LARGER_THAN_LOGICAL_ADDRESS_SPACE
|
|
};
|
|
|
|
// This enum must match the same enum in the Mono code, as it is used on the icall boundary.
|
|
enum MemoryMappedFileMode
|
|
{
|
|
FILE_MODE_CREATE_NEW = 1,
|
|
FILE_MODE_CREATE = 2,
|
|
FILE_MODE_OPEN = 3,
|
|
FILE_MODE_OPEN_OR_CREATE = 4,
|
|
FILE_MODE_TRUNCATE = 5,
|
|
FILE_MODE_APPEND = 6,
|
|
};
|
|
|
|
class MemoryMappedFile
|
|
{
|
|
public:
|
|
typedef void* MemoryMappedFileHandle;
|
|
|
|
static FileHandle* Create(FileHandle* file, const char* mapName, int32_t mode, int64_t *capacity, MemoryMappedFileAccess access, int32_t options, MemoryMappedFileError* error);
|
|
static MemoryMappedFileHandle View(FileHandle* mappedFileHandle, int64_t* length, int64_t offset, MemoryMappedFileAccess access, int64_t* actualOffset, MemoryMappedFileError* error);
|
|
static void Flush(MemoryMappedFileHandle memoryMappedFileData, int64_t length);
|
|
static bool UnmapView(MemoryMappedFileHandle memoryMappedFileData, int64_t length);
|
|
static bool Close(FileHandle* file);
|
|
static void ConfigureHandleInheritability(FileHandle* file, bool inheritability);
|
|
};
|
|
}
|
|
}
|